PBS Space Time
Does the Universe Create Itself?
updated
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Neutron stars aren't dark matter--we figured that out a while ago. But new research is telling us that they may be dark matter factories. They may produce the exotic axion, one of the most popular dark matter candidates.
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Hosted by Matt O'Dowd
Written by Matt Caplan, Anirudh Prabhu, & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producer: Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
Journal Papers Referenced In Episode:
Axion clouds around neutron stars: journals.aps.org/prx/abstract/10.1103/PhysRevX.14.041015
Polar cap pair cascades as the source of pulsar radio emission: journals.aps.org/prl/abstract/10.1103/PhysRevLett.124.245101
Axions can be produced above pulsar polar caps: journals.aps.org/prd/abstract/10.1103/PhysRevD.104.055038
Detailed simulations of polar cap cascades: iopscience.iop.org/article/10.3847/2041-8213/ac2157
Constraints on axions from non-observation of radio emission from 27 pulsars: journals.aps.org/prl/abstract/10.1103/PhysRevLett.131.111004
Pulsar nulling from axion clouds: journals.aps.org/prl/accepted/99071Yf5Zed14387541d3dd31bdf5002c85cc2299
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang
Wojciech Szymski
Bryce Fort
Peter Barrett
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Mark Rosenthal
Supernova
Grace Biaelcki
Glenn Sugden
Ethan Cohen
Stephen Wilcox
Mark Heising
Hypernova
Richard Pavlicek
Dean Galvin
Michael Tidwell
Robert DeChellis
Stephen Spidle
Chris Webb
Justin Lloyd
David Giltinan
Kenneth See
Gregory Forfa
Alex Kern
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
Edmund Fokschaner
Chuck Zegar
Daniel Muzquiz
Gamma Ray Burst
Satwik Pani
Param Saxena
John De Witt
Nathaniel Bennett
Sandhya Devi
Michael Oulvey
Arko Provo Mukherjee
Mike Purvis
Christopher Wade
Anthony Crossland
Grace Seraph
Stephen Saslow
Tomaz Lovsin
Anthony Leon
Lori Ferris
Koen Wilde
Nicolas Katsantonis
Richard Steenbergen
gmmiddleton
Joe Pavlovic
Chuck Lukaszewski
Cole B. Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
Harsh Khandhadia
Jammer
Matt Quinn
Michael Lev
Rad Antonov
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Kent Durham
jim bartosh
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
Jim Hudson
Alex Gan
John Funai
Adrien Molyneux
Bradley Jenkins
Vlad Shipulin
Justin Waters
Thomas Dougherty
Dan Warren
Joseph Salomone
Julien Dubois
Check out the Space Time Merch Store
pbsspacetime.com/shop
We know that the universe is getting bigger. And we know that the speed that the universe is getting bigger is also getting bigger. The standard assumption is that the acceleration rate is itself constant, which will surely result in ultimate heat death. But a recent survey of primordial sound waves frozen into the way galaxies are sprinkled through the universe reveals that this fate is now in question.
PBS Member Stations rely on viewers like you. To support your local station, go to:http://to.pbs.org/DonateSPACE
Sign Up on Patreon to get access to the Space Time Discord!
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Sign up for the mailing list to get episode notifications and hear special announcements!
https://mailchi.mp/1a6eb8f2717d/spacetime
Search the Entire Space Time Library Here: search.pbsspacetime.com
Hosted by Matt O'Dowd
Written by Richard Dyer & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producer: Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Special Thanks: Adam Schwartz & Kurt Ritta
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang
Wojciech Szymski
Bryce Fort
Peter Barrett
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Mark Rosenthal
Supernova
Grace Biaelcki
Glenn Sugden
Ethan Cohen
Stephen Wilcox
The Tyacke boys
Mark Heising
Hypernova
Richard Pavlicek
Dean Galvin
Michael Tidwell
Robert DeChellis
Stephen Spidle
Chris Webb
Justin Lloyd
David Giltinan
Kenneth See
Gregory Forfa
Alex Kern
drollere
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Mathew
Donal Botkin
Edmund Fokschaner
chuck zegar
Daniel Muzquiz
Gamma Ray Burst
Param Saxena
John De Witt
Nathaniel Bennett
Sandhya Devi
Michael Oulvey
Arko Provo Mukherjee
Mike Purvis
Christopher Wade
Anthony Crossland
Grace Seraph
Stephen Saslow
Tomaz Lovsin
Anthony Leon
Lori Ferris
Koen Wilde
Nicolas Katsantonis
Richard Steenbergen
Joe Pavlovic
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
Harsh Khandhadia
Matt Quinn
Michael Lev
Rad Antonov
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Kent Durham
jim bartosh
John H. Austin, Jr.
Diana S
Faraz Khan
Almog Cohen
Daniel Jennings
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
Tonyface
Jim Hudson
Alex Gan
John Funai
Adrien Molyneux
Bradley Jenkins
Vlad Shipulin
Justin Waters
Thomas Dougherty
Dan Warren
Joseph Salomone
Julien Dubois
Check out the Space Time Merch Store
pbsspacetime.com/shop
Here’s the story we like to tell about the beginning of the universe. Space is expanding evenly everywhere, but if you rewind that expansion you find that all of space was once compacted in an infinitesimal point of infinite density—the singularity at the beginning of time. The expansion of the universe from this point is called the Big Bang. We like to tell this story because it's the correct conclusion from the description of an expanding universe that followed Einstein's general theory of relativity back in the 19-teens. But since then we've learned so much more since then. Does our modern understanding of the universe still insist on a point-like Big Bang? Recent work actually gives us a way to avoid the beginning of time.
Sign Up on Patreon to get access to the Space Time Discord!
patreon.com/pbsspacetime
Sign up for the mailing list to get episode notifications and hear special announcements!
https://mailchi.mp/1a6eb8f2717d/spacetime
Search the Entire Space Time Library Here: search.pbsspacetime.com
Hosted by Matt O'Dowd
Written by Richard Dyer & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang
Wojciech Szymski
Bryce Fort
Peter Barrett
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Mark Rosenthal
Supernova
Grace Biaelcki
Glenn Sugden
Ethan Cohen
Stephen Wilcox
Mark Heising
Hypernova
Richard Pavlicek
Dean Galvin
Michael Tidwell
Robert DeChellis
Stephen Spidle
Chris Webb
Justin Lloyd
David Giltinan
Kenneth See
Gregory Forfa
Alex Kern
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
Edmund Fokschaner
chuck zegar
Daniel Muzquiz
Gamma Ray Burst
Param Saxena
John De Witt
Kevin Vallejo
Nathaniel Bennett
Sandhya Devi
Michael Oulvey
Arko Provo Mukherjee
Mike Purvis
Christopher Wade
Anthony Crossland
treborg777
Grace Seraph
Stephen Saslow
Tomaz Lovsin
Anthony Leon
Lori Ferris
Koen Wilde
Nicolas Katsantonis
Richard Steenbergen
gmmiddleton
Joe Pavlovic
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
Harsh Khandhadia
Jammer
Matt Q
Michael Lev
Rad Antonov
Terje Vold
James Trimmier
comboy
Jeremy Soller
Paul Wood
Kent Durham
jim bartosh
qntum
John H. Austin, Jr.
Diana S
Faraz Khan
Almog Cohen
Daniel Jennings
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
Tonyface
Jim Hudson
Alex Gan
John Funai
Adrien Molyneux
Bradley Jenkins
Vlad Shipulin
Justin Waters
Thomas Dougherty
Dan Warren
Joseph Salomone
Julien Dubois
Sign Up on Patreon to get access to the Space Time Discord!
patreon.com/pbsspacetime
If you track the motion of individual stars in the ultra-dense star cluster at the very center of the Milky Way you’ll see that they swing in sharp orbits around some vast but invisible mass—that’s the Sagittarius A* supermassive black hole. These are perilous orbits, and sometimes a star wanders just a little too close to that lurking monster, leading to its utter destruction in the spectacular phenomenon known as a tidal disruption event. We’ve never seen a TDE in the Milky Way, but we’ve seen them in distant galaxies—and we now know how to spot stellar destructions so extreme that they reveal properties of the black hole itself.
Check out the Space Time Merch Store
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Sign up for the mailing list to get episode notifications and hear special announcements!
https://mailchi.mp/1a6eb8f2717d/spacetime
Search the Entire Space Time Library Here: search.pbsspacetime.com
Hosted by Matt O'Dowd
Written by Matt Caplan, Andy Santarelli & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang
Wojciech Szymski
Bryce Fort
Peter Barrett
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Mark Rosenthal
Supernova
Grace Biaelcki
Glenn Sugden
Ethan Cohen
Stephen Wilcox
The Tyacke boys
Mark Heising
Hypernova
Richard Pavlicek
Dean Galvin
Michael Tidwell
Robert DeChellis
Stephen Spidle
Chris Webb
Justin Lloyd
David Giltinan
Kenneth See
Gregory Forfa
Alex Kern
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
Edmund Fokschaner
chuck zegar
Daniel Muzquiz
Gamma Ray Burst
Param Saxena
John De Witt
Kevin Vallejo
Nathaniel Bennett
Sandhya Devi
Michael Oulvey
Arko Provo Mukherjee
Mike Purvis
Christopher Wade
Anthony Crossland
treborg777
Grace Seraph
Stephen Saslow
Tomaz Lovsin
Anthony Leon
Lori Ferris
Koen Wilde
Nicolas Katsantonis
Richard Steenbergen
gmmiddleton
Joe Pavlovic
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
Harsh Khandhadia
Jammer
Matt Q
Michael Lev
Rad Antonov
Terje Vold
James Trimmier
comboy
Jeremy Soller
Paul Wood
Kent Durham
jim bartosh
qntum
John H. Austin, Jr.
Diana S
Faraz Khan
Almog Cohen
Daniel Jennings
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
Tonyface
Jim Hudson
Alex Gan
John Funai
Adrien Molyneux
Bradley Jenkins
Vlad Shipulin
Justin Waters
Thomas Dougherty
Dan Warren
Joseph Salomone
Julien Dubois
Sign Up on Patreon to get access to the Space Time Discord!
patreon.com/pbsspacetime
If we discover how to connect quantum mechanics with general relativity we’ll pretty much win physics. There are multiple theories that claim to do this, but it’s notoriously difficult to test them. They seem to require absurd experiments like a particle collider the size of a galaxy. Or we could try to physics smarter, instead of physicsing harder. Let’s talk about some ideas for quantum gravity experiments that can be done on a non-galaxy-sized lab bench, and in some cases already have been done.
PBS Member Stations rely on viewers like you. To support your local station, go to:http://to.pbs.org/DonateSPACE
Check out the Space Time Merch Store
pbsspacetime.com/shop
Sign up for the mailing list to get episode notifications and hear special announcements!
https://mailchi.mp/1a6eb8f2717d/spacetime
Search the Entire Space Time Library Here: search.pbsspacetime.com
Hosted by Matt O'Dowd
Written by Christopher Pollack, Lorenzo Braccini, & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang
Wojciech Szymski
First Principles Foundation
Bryce Fort
Peter Barrett
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Mark Rosenthal
Supernova
Grace Biaelcki
Glenn Sugden
Ethan Cohen
Stephen Wilcox
The Tyacke boys
Amy Hickman
Mark Heising
Hypernova
Richard Pavlicek
Dean Galvin
Michael Tidwell
Robert DeChellis
Stephen Spidle
Chris Webb
Justin Lloyd
David Giltinan
Kenneth See
Gregory Forfa
Alex Kern
drollere
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Mathew
Donal Botkin
Edmund Fokschaner
chuck zegar
Daniel Muzquiz
Gamma Ray Burst
John De Witt
Kevin Vallejo
Nathaniel Bennett
Sandhya Devi
Michael Oulvey
Robin Sur
Arko Provo Mukherjee
Mike Purvis
Christopher Wade
Anthony Crossland
Grace Seraph
Stephen Saslow
Tomaz Lovsin
Anthony Leon
Lori Ferris
Koen Wilde
Nicolas Katsantonis
Richard Steenbergen
Joe Pavlovic
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
Harsh Khandhadia
Matt Quinn
Michael Lev
Rad Antonov
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Kent Durham
jim bartosh
John H. Austin, Jr.
Faraz Khan
Almog Cohen
Daniel Jennings
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
Tonyface
Jim Hudson
Alex Gan
John Funai
Adrien Molyneux
Bradley Jenkins
Vlad Shipulin
Justin Waters
Thomas Dougherty
Dan Warren
Joseph Salomone
Julien Dubois
pbsspacetime.com/shop
Sign Up on Patreon to get access to the Space Time Discord!
patreon.com/pbsspacetime
The holy grail of theoretical physics is to find the long-sought theory of quantum gravity. But what if this theory is as mythical as the grail of legend? What if gravity isn’t weirdly quantum at all, but rather … just a bit messy? Or random? So says the postquantum gravity hypothesis of Jonathan Oppenheim.
PBS Member Stations rely on viewers like you. To support your local station, go to:http://to.pbs.org/DonateSPACE
Sign up for the mailing list to get episode notifications and hear special announcements!
https://mailchi.mp/1a6eb8f2717d/spacetime
Search the Entire Space Time Library Here: search.pbsspacetime.com
Hosted by Matt O'Dowd
Written by Christopher Pollack, Lorenzo Braccini, & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang
Wojciech Szymski
FirstPrinciples Foundation
Bryce Fort
Peter Barrett
David Neumann
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Mark Rosenthal
Supernova
Grace Biaelcki
Glenn Sugden
Ethan Cohen
Stephen Wilcox
The Tyacke boys
Amy Hickman
Mark Heising
Hypernova
Richard Pavlicek
Dean Galvin
Michael Tidwell
Robert DeChellis
Chris Webb
David Giltinan
Ivari Tölp
Kenneth See
Gregory Forfa
Alex Kern
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
Edmund Fokschaner
chuck zegar
Daniel Muzquiz
Gamma Ray Burst
Kevin Vallejo
Nathaniel Bennett
Sandhya Devi
Michael Oulvey
Robin Sur
Arko Provo Mukherjee
Mike Purvis
Christopher Wade
Anthony Crossland
treborg777
Grace Seraph
Stephen Saslow
Tomaz Lovsin
Anthony Leon
Lori Ferris
Koen Wilde
Nicolas Katsantonis
Richard Steenbergen
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B. Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
Harsh Khandhadia
Matt Quinn
Michael Lev
Rad Antonov
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Kent Durham
jim bartosh
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
Tonyface
Jim Hudson
Alex Gan
John Funai
Adrien Molyneux
Bradley Jenkins
Vlad Shipulin
Justin Waters
Thomas Dougherty
Dan Warren
Joseph Salomone
Julien Dubois
Sign Up on Patreon to get access to the Space Time Discord!
patreon.com/pbsspacetime
Scientists have been slowly extending the periodic table one element at a time, pushing to higher and higher masses, and have discovered some incredibly useful materials along the way. But the elements at the current end of the table are so unstable that they decay almost as soon as they’re created in our particle accelerators. Have we reached the end of the line of discoverable elements? There are new rows of the periodic table to unlock, and more stable versions of known heavy elements to synthesize—and while our accelerators are coming up short, astronomers have found a strange cosmic phenomenon that may populate the periodic table beyond our wildest dreams.
Check out the Space Time Merch Store
pbsspacetime.com/shop
Sign up for the mailing list to get episode notifications and hear special announcements!
https://mailchi.mp/1a6eb8f2717d/spacetime
Search the Entire Space Time Library Here: search.pbsspacetime.com
Hosted by Matt O'Dowd
Written by Matt Caplan & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang
Wojciech Szymski
First Principles Foundation
Bryce Fort
Peter Barrett
David Neumann
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Mark Rosenthal
Daniel Muzquiz
Supernova
Grace Biaelcki
Glenn Sugden
Ethan Cohen
Stephen Wilcox
J. Tyacke
Amy Hickman
Mark Heising
Hypernova
Dean Galvin
Michael Tidwell
Robert DeChellis
Chris Webb
David Giltinan
Ivari Tölp
Kenneth See
Gregory Forfa
Alex Kern
drollere
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Mathew
Donal Botkin
Edmund Fokschaner
chuck zegar
Gamma Ray Burst
Sandhya Devi
Michael Oulvey
Neil Moore
Robin Sur
Arko Provo Mukherjee
Mike Purvis
Christopher Wade
Anthony Crossland
Grace Seraph
Stephen Saslow
Tomaz Lovsin
Anthony Leon
Leonardo Schulthais Senna
Lori Ferris
Koen Wilde
Nicolas Katsantonis
Richard Steenbergen
gmmiddleton
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
Harsh Khandhadia
Jammer
Matt Quinn
Michael Lev
Rad Antonov
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Kent Durham
jim bartosh
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
Tonyface
John Robinson
Jim Hudson
Alex Gan
John Funai
Adrien Molyneux
Bradley Jenkins
Vlad Shipulin
Thomas Dougherty
Dan Warren
Joseph Salomone
Julien Dubois
crowdmade.com/collections/pbsspacetime
Sign Up on Patreon to get access to the Space Time Discord!
patreon.com/pbsspacetime
The primary characteristic that defines black holes is in the name. Black holes are black. The gravitational pull at the event horizon is so powerful that not even light can escape. In this case, black means absence of light. We also think of black as indicating absence of colour. But it turns out there is a way to make a coloured black hole—as long as by colour you mean quantum chromodynamic charge.
PBS Member Stations rely on viewers like you. To support your local station, go to:http://to.pbs.org/DonateSPACE
Sign up for the mailing list to get episode notifications and hear special announcements!
https://mailchi.mp/1a6eb8f2717d/spacetime
Search the Entire Space Time Library Here: search.pbsspacetime.com
Hosted by Matt O'Dowd
Written by Andrea Quaranta & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang
Wojciech Szymski
First Principles Foundation
Bryce Fort
Peter Barrett
David Neumann
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Mark Rosenthal
Daniel Muzquiz
Supernova
Grace Biaelcki
Glenn Sugden
Ethan Cohen
Stephen Wilcox
Amy Hickman
Mark Heising
Hypernova
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Michael Tidwell
Robert DeChellis
Chris Webb
David Giltinan
Ivari Tölp
Kenneth See
Gregory Forfa
Alex Kern
drollere
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Mathew
Donal Botkin
Edmund Fokschaner
chuck zegar
Gamma Ray Burst Sponsors
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Neil Moore
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Mike Purvis
Christopher Wade
Anthony Crossland
treborg777
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Tomaz Lovsin
Anthony Leon
Leonardo Schulthais Senna
Lori Ferris
Koen Wilde
Nicolas Katsantonis
Richard Steenbergen
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
Harsh Khandhadia
Matt Quinn
Michael Lev
Rad Antonov
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Kent Durham
jim bartosh
John H. Austin, Jr.
Diana S
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
Tonyface
John Robinson
Jim Hudson
Alex Gan
John Funai
Adrien Molyneux
Bradley Jenkins
Vlad Shipulin
Thomas Dougherty
Dan Warren
Joseph Salomone
Julien Dubois
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Nobel laureate Roger Penrose is widely held to be one of the most brilliant living physicists for his wide-ranging work from black holes to cosmology. And then there’s his idea about how consciousness is caused by quantum processes. Most scientists have dismissed this as a cute eccentricity—a guy like Roger gets to have at least one crazy theory without being demoted from the supersmartypants club. The most common argument for this dismissal is that quantum effects can’t survive long enough in an environment as warm and chaotic as the brain. Well, a new study has revealed that Penrose’s prime candidate molecule for this quantum activity does indeed exhibit large scale quantum activity. So was Penrose right after all? Are you a quantum entity?
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Hosted by Matt O'Dowd
Written by Christopher Pollack & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Sponsors
Wojciech Szymski
First Principles Foundation
John Sronce
Bryce Fort
Peter Barrett
David Neumann
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Mark Rosenthal
Quasar Sponsors
Grace Biaelcki
Glenn Sugden
Ethan Cohen
Stephen Wilcox
The Tyacke boys
Amy Hickman
Mark Heising
Hypernova Sponsors
Julien Dubois
Richard Pavlicek
Dean Galvin
Michael Tidwell
Robert DeChellis
Chris Webb
David Giltinan
Ivari Tölp
Kenneth See
Gregory Forfa
Alex Kern
drollere
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Mathew
Donal Botkin
Edmund Fokschaner
chuck zegar
Daniel Muzquiz
Gamma Ray Burst Sponsors
Sandhya Devi
Michael Oulvey
Neil Moore
Robin Sur
Arko Provo Mukherjee
Mike Purvis
Christopher Wade
Anthony Crossland
treborg777
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Stephen Saslow
Tomaz Lovsin
Anthony Leon
Leonardo Schulthais Senna
Lori Ferris
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
Richard Steenbergen
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
Harsh Khandhadia
Matt Quinn
Michael Lev
Rad Antonov
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Kent Durham
jim bartosh
John H. Austin, Jr.
Diana S Polijar
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
Tonyface
John Robinson
Jim Hudson
Alex Gan
John Funai
Adrien Molyneux
Bradley Jenkins
Vlad Shipulin
Thomas Dougherty
Dan Warren
Joseph Salomone
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Warp drives may or may not be possible, but if they are then could a distant alien civilization’s warp fields produce gravitational waves that we could see here on Earth? According to a recent study.. Actually maybe, at least eventually. And we now know just what to look for and how to look for it.
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Space Pod 3d model: futaba@blender
What no one has seen before: gravitational waveforms from warp drive collapse: arxiv.org/pdf/2406.02466
Hosted by Matt O'Dowd
Written by Richard Dyer & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Sponsors
Wojciech Szymski
First Principles Foundation
John Sronce
Bryce Fort
Peter Barrett
David Neumann
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Mark Rosenthal
Quasar Sponsors
Grace Biaelcki
Glenn Sugden
Ethan Cohen
Stephen Wilcox
J Tyacke
Mark Heising
Hypernova Sponsors
Richard Pavlicek
Dean Galvin
Michael Tidwell
Chris Webb
David Giltinan
Ivari Tölp
Kenneth See
Gregory Forfa
Alex Kern
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
Edmund Fokschaner
Chuck Zegar
Daniel Muzquiz
Gamma Ray Burst Sponsors
Michael Oulvey
Neil Moore
Robin Sur
Arko Provo Mukherjee
Mike Purvis
Christopher Wade
Anthony Crossland
Grace Seraph
Stephen Saslow
Robert DeChellis
Tomaz Lovsin
Anthony Leon
Leonardo Schulthais Senna
Lori Ferris
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B. Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
Teng Guo
Harsh Khandhadia
Matt Quinn
Michael Lev
Rad Antonov
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Kent Durham
Jim Bartosh
John H. Austin, Jr.
Diana S Polijar
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
Tonyface
John Robinson
Jim Hudson
Alex Gan
John Funai
Adrien Molyneux
Bradley Jenkins
Amy Hickman
Vlad Shipulin
Thomas Dougherty
Dan Warren
Joseph Salomone
Julien Dubois
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All particles belong to two large groups: fermions like protons and electrons make everything we consider "matter", while bosons like photons and gluons transmit the fundamental forces. And that about covers the universe: matter moving through space and time under the action of forces. But what if we could create particles in between these two possibilities. Physics says these neither matter nor force anyons can exist, and they may have some pretty incredible uses. They’re called anyons.
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Hosted by Matt O'Dowd
Written by Fernando Franco Félix & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Sponsors
First Principles Foundation
John Sronce
Bryce Fort
Peter Barrett
David Neumann
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Mark Rosenthal
Quasar Sponsors
Grace Biaelcki
Glenn Sugden
Ethan Cohen
Stephen Wilcox
J. Tyacke
Mark Heising
Hypernova Sponsors
Michael Tidwell
Chris Webb
David Giltinan
Ivari Tölp
Kenneth See
Gregory Forfa
Alex Kern
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
Edmund Fokschaner
Chuck Zegar
Daniel Muzquiz
Gamma Ray Burst Sponsors
Neil Moore
Robin Sur
Arko Provo Mukherjee
Mike Purvis
Christopher Wade
Anthony Crossland
Grace Seraph
Parliament
Stephen Saslow
Robert DeChellis
Tomaz Lovsin
Anthony Leon
Leonardo Schulthais Senna
Lori Ferris
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
Teng Guo
Harsh Khandhadia
Matt Quinn
Michael Lev
Rad Antonov
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Kent Durham
Jim Bartosh
John H. Austin, Jr.
Diana S
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
John Robinson
Jim Hudson
Alex Gan
John Funai
Adrien Molyneux
Bradley Jenkins
Amy Hickman
Vlad Shipulin
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
Julien Dubois
Check out the Space Time Merch Store
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Solar activity is still increasing in a sunspot cycle that is proving way more intense than scientists predicted. Just how much stronger is it going to get?
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Hosted by Matt O'Dowd
Written by Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Sponsors
First Principles Foundation
John Sronce
Bryce Fort
Peter Barrett
David Neumann
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Mark Rosenthal
Quasar Sponsors
Grace Biaelcki
Glenn Sugden
Ethan Cohen
Stephen Wilcox
J. Tyacke
Mark Heising
Hypernova Sponsors
Michael Tidwell
Chris Webb
David Giltinan
Ivari Tölp
Kenneth See
Gregory Forfa
Alex Kern
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
Edmund Fokschaner
Chuck Zegar
Daniel Muzquiz
Gamma Ray Burst Sponsors
Neil Moore
Robin Sur
Arko Provo Mukherjee
Mike Purvis
Christopher Wade
Anthony Crossland
Grace Seraph
Stephen Saslow
Robert DeChellis
Tomaz Lovsin
Anthony Leon
Leonardo Schulthais Senna
Lori Ferris
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
gmmiddleton
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
Teng Guo
Harsh Khandhadia
Matt Quinn
Michael Lev
Rad Antonov
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Joe Moreira
Kent Durham
jim bartosh
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
John Robinson
Jim Hudson
John Funai
Adrien Molyneux
Bradley Jenkins
Amy Hickman
Vlad Shipulin
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
Julien Dubois
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So you’ve decided to jump into a black hole. Good news: as long as the black hole is big enough you can sail through the event horizon without harm and get to experience the interior of the black hole before you’re annihilated by the central singularity. Or so we once thought. These days, quite a few physicists believe that the only way to avoid horrible contradictions in fundamental physics generated by black holes is for all them to be surrounded by screens of extreme energy that prevent anything from ever entering the event horizon. Sounds outlandish? Welcome to black holes. So let’s find out why many of our most brilliant physicists take these black hole firewalls deadly seriously.
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Hosted by Matt O'Dowd
Written by Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Sponsors
First Principles Foundation
John Sronce
Bryce Fort
Peter Barrett
David Neumann
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Mark Rosenthal
Quasar Sponsors
Grace Biaelcki
Glenn Sugden
Ethan Cohen
Stephen Wilcox
J Tyacke
Mark Heising
Hypernova Sponsors
Michael Tidwell
Chris Webb
David Giltinan
Ivari Tölp
Kenneth See
Gregory Forfa
Alex Kern
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
Edmund Fokschaner
chuck zegar
Daniel Muzquiz
Gamma Ray Burst Sponsors
Neil Moore
Robin Sur
Arko Provo Mukherjee
Mike Purvis
Christopher Wade
Anthony Crossland
treborg777
Grace Seraph
Parliament
Stephen Saslow
Robert DeChellis
Tomaz Lovsin
Anthony Leon
Leonardo Schulthais Senna
Lori Ferris
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
gmmiddleton
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
teng guo
Harsh Khandhadia
Jammer
Matt Quinn
Michael Lev
Rad Antonov
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Joe Moreira
Kent Durham
jim bartosh
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
John Robinson
Jim Hudson
Alex Gan
John Funai
Adrien Molyneux
Bradley Jenkins
Amy Hickman
Vlad Shipulin
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
Julien Dubois
pbsspacetime.com/shop
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Cern's Large Hadron Collider routinely collides particles at energies equivalent to a fraction of a second after the Big Bang. If this worries you, then the following fact will either put you at ease or scare the hell out of you. And that's that a particle with the energy of an LHC collision hits every square kilometer of the Earth every single second. And we only relatively recently figured out where these cosmic rays are coming from.
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Hosted by Matt O'Dowd
Written by Matt Caplan, Hayley West & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Sponsors
First Principles Foundation
John Sronce
Bryce Fort
Peter Barrett
David Neumann
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Mark Rosenthal
Quasar Sponsors
Grace Biaelcki
Glenn Sugden
Ethan Cohen
Stephen Wilcox
J Tyacke
Mark Heising
Hypernova Sponsors
Michael Tidwell
Frank Plessers
Chris Webb
David Giltinan
Ivari Tölp
Kenneth See
Gregory Forfa
Alex Kern
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
Edmund Fokschaner
Chuck Zegar
Daniel Muzquiz
Gamma Ray Burst Sponsors
Neil Moore
Robin Sur
Arko Provo Mukherjee
Mike Purvis
Christopher Wade
Anthony Crossland
Grace Seraph
Stephen Saslow
Robert DeChellis
Tomaz Lovsin
Anthony Leon
Leonardo Schulthais Senna
Lori Ferris
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
teng guo
Harsh Khandhadia
Jammer
Matt Quinn
Michael Lev
Rad Antonov
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Joe Moreira
Kent Durham
jim bartosh
Ramon Nogueira
John H. Austin, Jr.
Diana S
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
John Robinson
Jim Hudson
Alex Gan
John Funai
Adrien Molyneux
Bradley Jenkins
Amy Hickman
Vlad Shipulin
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
Julien Dubois
pbsspacetime.com/shop
Sign Up on Patreon to get access to the Space Time Discord!
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Black holes are inevitable predictions of general relativity—our best theory of space, time and gravity. But they clash in multiple ways with quantum mechanics, our equally successful description of the subatomic world. One such clash is the black hole information paradox—and a proposed solution—black hole complementarity—may forced us to radically rethink what it even means to say that something to exists.
PBS Member Stations rely on viewers like you. To support your local station, go to:http://to.pbs.org/DonateSPACE
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Hosted by Matt O'Dowd
Written by Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Sponsors
First Principles Foundation
John Sronce
Bryce Fort
Peter Barrett
David Neumann
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Mark Rosenthal
Quasar Sponsors
Grace Biaelcki
Glenn Sugden
Ethan Cohen
Stephen Wilcox
J Tyacke
Mark Heising
Hypernova Sponsors
Daniel Muzquiz
Michael Tidwell
Frank Plessers
Chris Webb
David Giltinan
Ivari Tölp
Kenneth See
Gregory Forfa
Alex Kern
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
Edmund Fokschaner
chuck zegar
Gamma Ray Burst Sponsors
Jordan Young
Arko Provo Mukherjee
Mike Purvis
Christopher Wade
Anthony Crossland
Grace Seraph
Parliament
Stephen Saslow
Robert DeChellis
Tomaz Lovsin
Anthony Leon
Leonardo Schulthais Senna
Lori Ferris
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
teng guo
Harsh Khandhadia
Matt Quinn
Michael Lev
Rad Antonov
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Joe Moreira
Kent Durham
jim bartosh
Ramon Nogueira
The Mad Mechanic
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
Tonyface
John Robinson
Jim Hudson
Alex Gan
John Funai
Adrien Molyneux
Bradley Jenkins
Amy Hickman
Vlad Shipulin
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
Julien Dubois
In the far future we may have advanced propulsion technologies like matter-antimatter engines and compact fusion drives that allow humans to travel to other stars on timescales shorter than their own lives. But what if those technologies never materialize? Are we imprisoned by the vastness of space—doomed to remain in the solar system of our origin? Perhaps not. A possible path to a contemporary cosmic dream may just be to build a ship which can support human life for several generations; a so-called generation ship.
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Creative Director (ITVS): Carol Paik
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Original Production Funding Provided By:
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Hosted by Matt O'Dowd
Written by Christopher Pollack & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
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Lori Ferris
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
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Michael Lev
Rad Antonov
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Joe Moreira
Kent Durham
jim bartosh
Ramon Nogueira
The Mad Mechanic
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
Tonyface
John Robinson
Jim Hudson
Alex Gan
John Funai
Adrien Molyneux
Bradley Jenkins
Amy Hickman
Vlad Shipulin
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
Julien Dubois
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Meet Alice and Bob, famous explorers of the abstract landscape of theoretical physics. Heroes of the gerdankenexperiment—the thought experiment—whose life mission is to find contradictions in the deepest layers of our theories. Today our intrepid pair are jumping into a black hole. Again. Why? Well, to determine the fundamental structure of spacetime and its connection to quantum entanglement of course.
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Hosted by Matt O'Dowd
Written by Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
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Lori Ferris
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
teng guo
Harsh Khandhadia
Matt Quinn
Michael Lev
Rad Antonov
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Joe Moreira
Kent Durham
jim bartosh
Ramon Nogueira
John H. Austin, Jr.
Diana S
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
Tonyface
John Robinson
Jim Hudson
Alex Gan
John Funai
Adrien Molyneux
Bradley Jenkins
Amy Hickman
Vlad Shipulin
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
Julien Dubois
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The Moon has been one of the most important theoretical stepping stones to our understanding of the universe. We’ve long understood that it could also be our literal stepping stone: humanity’s first destination beyond our atmosphere.
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Hosted by Matt O'Dowd
Written by Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
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Peter Barrett
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Morgan Hough
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Ethan Cohen
Stephen Wilcox
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Mark Heising
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Chris Webb
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Gregory Forfa
Alex Kern
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
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Robert Ilardi
John R. Slavik
Donal Botkin
Edmund Fokschaner
Chuck Zegar
Jordan Young
Daniel Muzquiz
Gamma Ray Burst Sponsors
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Anthony Crossland
Grace Seraph
Stephen Saslow
Robert DeChellis
Tomaz Lovsin
Anthony Leon
Leonardo Schulthais Senna
Lori Ferris
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
teng guo
Harsh Khandhadia
Michael Lev
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Joe Moreira
Kent Durham
jim bartosh
Ramon Nogueira
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
John Robinson
Jim Hudson
Alex Gan
John Funai
Adrien Molyneux
Bradley Jenkins
Amy Hickman
Vlad Shipulin
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
Julien Dubois
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Of all the astronomical phenomena you can witness, the total solar eclipse has to be the most visceral--the most in-your-face reminder that our reality consists of giant balls of rock spinning around stars. It's also the eclipse and phenomena like it that set us on the path to understanding that reality in the first place.
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Hosted by Matt O'Dowd
Written by Matt Caplan & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
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Ethan Cohen
Stephen Wilcox
Mark Heising
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Kenneth See
Gregory Forfa
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
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John R. Slavik
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Edmund Fokschaner
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Jordan Young
Daniel Muzquiz
Gamma Ray Burst Sponsors
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Anthony Crossland
Grace Seraph
Parliament
Stephen Saslow
Robert DeChellis
Tomaz Lovsin
Anthony Leon
Leonardo Schulthais Senna
Lori Ferris
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
teng guo
Harsh Khandhadia
Michael Lev
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Joe Moreira
Kent Durham
jim bartosh
Ramon Nogueira
The Mad Mechanic
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
John Robinson
Jim Hudson
Alex Gan
David Barnholdt
John Funai
Adrien Molyneux
Bradley Jenkins
Amy Hickman
Vlad Shipulin
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
Julien Dubois
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There are four fundamental forces - the strong and weak nuclear forces, electromagnetism, and gravity. Except maybe gravity is no more fundamental than the force of a stretched elastic band. Maybe gravity is just an entropic byproduct—an emergent effect of the universe’s tendency to disorder. If you allow entropy to keep you in your seat for a bit, I’ll tell you all about it.
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Hosted by Matt O'Dowd
Written by Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
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Bryce Fort
Peter Barrett
David Neumann
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Alex Kern
Ethan Cohen
Stephen Wilcox
Mark Heising
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Chris Webb
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Gregory Forfa
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
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John R. Slavik
Donal Botkin
Edmund Fokschaner
chuck zegar
Jordan Young
Daniel Muzquiz
Gamma Ray Burst Sponsors
Jessica M. Kandal
Anthony Crossland
Grace Seraph
Frank Plessers
Stephen Saslow
Robert DeChellis
Tomaz Lovsin
Anthony Leon
Leonardo Schulthais Senna
Lori Ferris
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
teng guo
Harsh Khandhadia
Matt Quinn
Michael Lev
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Joe Moreira
Kent Durham
jim bartosh
Ramon Nogueira
The Mad Mechanic
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
Tonyface
John Robinson
Jim Hudson
David Barnholdt
John Funai
Adrien Molyneux
Bradley Jenkins
Amy Hickman
Vlad Shipulin
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
Julien Dubois
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Space seems fundamental. To build a universe, surely you need something to build it on or in. Many, maybe most physicists now think that the fabric of space emerges from something deeper. And perhaps the most existentially disturbing such proposal is that our 3-D universe is just the inward projection of an infinitely distant boundary. A hologram, or sorts. Let’s see how that can actually work, and what the holographic principle really says about the “realness” of this universe.
Check Out the Holographic Universe Playlist
youtube.com/watch?v=qPKj0YnKANw&list=PLsPUh22kYmNCHVpiXDJyAcRJ8gluQtOJR&ab_channel=PBSSpaceTime
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Hosted by Matt O'Dowd
Written by Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Sponsors
John Sronce
Bryce Fort
Peter Barrett
David Neumann
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Mark Rosenthal
Quasar Sponsors
Glenn Sugden
Alex Kern
Ethan Cohen
Stephen Wilcox
Mark Heising
Hypernova Sponsors
Michael Tidwell
Chris Webb
David Giltinan
Ivari Tölp
Kenneth See
Gregory Forfa
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
Edmund Fokschaner
chuck zegar
Jordan Young
Daniel Muzquiz
Gamma Ray Burst Sponsors
Jessica M. Kandal
Anthony Crossland
Grace Seraph
Frank Plessers
Stephen Saslow
Robert DeChellis
Tomaz Lovsin
Anthony Leon
Leonardo Schulthais Senna
Lori Ferris
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
teng guo
Harsh Khandhadia
Michael Lev
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Joe Moreira
Kent Durham
jim bartosh
Ramon Nogueira
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
John Robinson
Jim Hudson
David Barnholdt
John Funai
Adrien Molyneux
Bradley Jenkins
Amy Hickman
Vlad Shipulin
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
Julien Dubois
pbsspacetime.com/shop
In 1974 we sent the Arecibo radio message towards Messier 13, a globular cluster near the edge of the Milky Way, made up of a few hundred thousand stars. The message was mostly symbolic; we weren’t really expecting a reply. Yet surely other civilisations out there are doing the same thing. So, why haven’t we heard anything? What if the silence from the stars is a hint that we shouldn’t be so outgoing? What if aliens are deliberately keeping quiet for fear that they might be destroyed?
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Hosted by Matt O'Dowd
Written by Richard Dyer & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Sponsors
John Sronce
Bryce Fort
Peter Barrett
David Neumann
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Mark Rosenthal
Quasar Sponsors
Glenn Sugden
Alex Kern
Ethan Cohen
Stephen Wilcox
Mark Heising
Hypernova Sponsors
Chris Webb
David Giltinan
Ivari Tölp
Kenneth See
Gregory Forfa
drollere
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Mathew
Donal Botkin
Edmund Fokschaner
chuck zegar
Jordan Young
Daniel Muzquiz
Gamma Ray Burst Sponsors
Jessica M. Kandal, Ph.D.
Anthony Crossland
Grace Seraph
Frank Plessers
Max Paladino
Stephen Saslow
Robert DeChellis
Tomaz Lovsin
Anthony Leon
Leonardo Schulthais Senna
Lori Ferris
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
teng guo
Harsh Khandhadia
Michael Lev
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Joe Moreira
Kent Durham
jim bartosh
John H. Austin, Jr.
Diana S
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
Tonyface
John Robinson
Jim Hudson
David Barnholdt
John Funai
Adrien Molyneux
Bradley Jenkins
Amy Hickman
Vlad Shipulin
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
Julien Dubois
Sign Up on Patreon to get access to the Space Time Discord!
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EMPs aren’t science fiction. Real militaries are experimenting on real EMP generators, and as Starfish Prime showed us, space nukes can send powerful EMPs to the surface. So what exactly is an EMP, and how dangerous are they?
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Hosted by Matt O'Dowd
Written by Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
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It's not too often that a giant of physics threatens to overturn an idea held to be self-evident by generations of physicists. Well, that may be the fate of the famous Penrose Singularity Theorem if we're to believe a recent paper by Roy Kerr. Long story short, the terrible singularity at the heart of the black hole may be no more.
Roy Kerr Paper: Do Black Holes have Singularities?
arxiv.org/pdf/2312.00841.pdf
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Hosted by Matt O'Dowd
Written by Christopher Pollack & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
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David Barnholdt
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Adrien Molyneux
Bradley Jenkins
Amy Hickman
Vlad Shipulin
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
Julien Dubois
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This is what we astronomers call a blob, or a smudge, if you want to get really technical. It may not look like much from here, but what do you expect for something near the literal edge of the observable universe. If you were there when this light was emitted, you’d A. be at the beginning of time, and B. be looking at an entire galaxy containing an enormous black hole at its heart. It’s the most distant black hole we’ve semi-directly detected. That’s cool enough on its own, but as an added bonus this one smudge may have solved the mystery of the origin of the supermassive black holes in our universe.
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Hosted by Matt O'Dowd
Written by Matt Caplan, Hayley West & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2024 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
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Michael Lev
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Paul Wood
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Jim Bartosh
Ramon Nogueira
John H. Austin, Jr.
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
John Robinson
Jim Hudson
David Barnholdt
John Funai
Adrien Molyneux
Bradley Jenkins
Amy Hickman
Vlad Shipulin
Thomas Dougherty
King Zeckendorff
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From hoverboards to flying cars to cloud cities, anti-gravity is a staple of science fiction and our dream of a less Earth-bound future. But in the real universe gravity appears to be a purely attractive force. Feels like its main MO is keeping us stuck to the surface of this lonely rock. But maybe if we science hard enough we can remove the fiction from science fiction. For the sake of our flying cars we should at least try. And for many years, physicists have wondered whether a certain well-known exotic material may experience gravitational repulsion from the Earth. That material is antimatter, and physicists at CERN have just completed a very long and very difficult experiment to answer a seemingly simple question: does antimatter fall down, or does it fall up?
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Hosted by Matt O'Dowd
Written by Christopher Pollack & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is a production of Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
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Craig Falls
Kane Holbrook
Ross Story
teng guo
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Michael Lev
Terje Vold
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Eric Kiebler
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Jim Hudson
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David Barnholdt
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Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
Julien Dubois
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Two of the greatest mysteries in cosmology are the nature of dark energy and the apparent conflict in our measurements of the expansion rate of the early versus the modern universe that even dark energy can’t account for. Could both of these be explained by looking to a part of the universe that we’ve largely ignored so far? Could cosmic voids be driving the universe?
Episodes Referenced:
The Evolution of the Modern Milky Way Galaxy: youtube.com/watch?v=e3jGWXeBtPo&ab_channel=PBSSpaceTime
Dr. Beck: youtube.com/watch?v=HlNSvrYygRc&t=1s&ab_channel=Dr.Becky
Dr. Becky: youtu.be/-kTe0xRAU1w?feature=shared
Dark Energy Playlist: youtube.com/watch?v=-4PayaEgEZc&list=PLsPUh22kYmNAv1_8MA9-USkY6f2lfr1hb&ab_channel=PBSSpaceTime
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Hosted by Matt O'Dowd
Written by Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
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Ross Story
Teng Guo
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Matt Quinn
Michael Lev
Terje Vold
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Paul Wood
Joe Moreira
Kent Durham
jim bartosh
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Tybie Fitzhugh
Eric Kiebler
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Frederic Simon
John Robinson
Jim Hudson
Alex Gan
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Thomas Dougherty
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A fun nightmare sci-fi scenario is the sun being consumed by a black hole. Fortunately the chance of a black hole randomly wandering into our solar system is pretty tiny. That’s good news. But what if it’s already here, hiding in the core of the Sun and slowly eating it from the inside out?
Hawking Stars Journal Papers:
iopscience.iop.org/article/10.3847/1538-4357/ad04de
arxiv.org/abs/2312.07647
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Hosted by Matt O'Dowd
Written by Matt Caplan & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
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Ethan Cohen
Stephen Wilcox
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Scott Gray
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Donal Botkin
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chuck zegar
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Massimiliano Pala
Thomas Nielson
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
Ryan Moser
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
teng guo
Harsh Khandhadia
Matt Quinn
Michael Lev
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Joe Moreira
Kent Durham
Jim Bartosh
Ramon Nogueira
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
John Robinson
Jim Hudson
David Barnholdt
John Funai
Adrien Molyneux
Bradley Jenkins
Amy Hickman
Vlad Shipulin
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Thomas Dougherty
King Zeckendorff
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Joseph Salomone
Patrick Sutton
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We’re almost certainly the first technological civilization on Earth. But what if we’re not? We are. Although how sure are we, really? The Silurian hypothesis, which asks whether pre-human industrial civilizations might have existed.
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Hosted by Matt O'Dowd
Written by Christopher Pollack & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Sponsors
Bryce Fort
Peter Barrett
David Neumann
Sean Maddox
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Fabrice Eap
Mark Rosenthal
Quasar Sponsors
Glenn Sugden
Alex Kern
Ethan Cohen
Stephen Wilcox
Mark Heising
Hypernova Sponsors
Stephen Spidle
Chris Webb
David Giltinan
Ivari Tölp
Zachary Wilson
Kenneth See
Gregory Forfa
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
Edmund Fokschaner
Chuck Zegar
Jordan Young
Daniel Muzquiz
Gamma Ray Burst Sponsors
Robert DeChellis
Tomaz Lovsin
Anthony Leon
Billy Holland
Leonardo Schulthais Senna
Lori Ferris
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
Piotr Sarnicki
Massimiliano Pala
Thomas Nielson
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
Ryan Moser
John Anderson
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
teng guo
Mason Dillon
Harsh Khandhadia
Susan Albee
Matt Quinn
Michael Lev
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Joe Moreira
Kent Durham
jim bartosh
Ramon Nogueira
The Mad Mechanic
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
John Robinson
Jim Hudson
Alex Gan
David Barnholdt
John Funai
Bradley Jenkins
Vlad Shipulin
Cody Brumfield
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
crowdmade.com/collections/pbsspacetime
Principle of Indifference Proof:
drive.google.com/file/d/1qsYNMb6OK3ZbJADE0jDXWsjp6OtijPBS/view?usp=sharing
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The mystery of what happens when we go from a superposition to a definite state is known as the Measurement Problem, and it’s arguably the most mysterious outstanding problem in physics. The different interpretations of quantum mechanics are really about solving the measurement problem. But Many Worlds offers one thing that the other interpretations do not: there’s no collapse of the wavefunction - which might be the key to solving the measurement problem?
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Hosted by Matt O'Dowd
Written by Taha Dawoodbhoy & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Sponsors
Bryce Fort
Peter Barrett
David Neumann
Sean Maddox
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Fabrice Eap
Mark Rosenthal
Quasar Sponsors
Glenn Sugden
Alex Kern
Ethan Cohen
Stephen Wilcox
Mark Heising
Hypernova Sponsors
Stephen Spidle
Chris Webb
David Giltinan
Ivari Tölp
Zachary Wilson
Kenneth See
Gregory Forfa
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
Edmund Fokschaner
chuck zegar
Jordan Young
Daniel Muzquiz
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Tomaz Lovsin
Anthony Leon
Billy Holland
Leonardo Schulthais Senna
Lori Ferris
James Sadler
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
Piotr Sarnicki
Massimiliano Pala
Thomas Nielson
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
Ryan Moser
John Anderson
Scott Hannum
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
Teng Guo
Mason Dillon
Harsh Khandhadia
Susan Albee
Matt Quinn
Michael Lev
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Joe Moreira
Kent Durham
Jim Bartosh
Ramon Nogueira
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
John Robinson
Jim Hudson
Alex Gan
David Barnholdt
John Funai
Bradley Jenkins
Vlad Shipulin
Cody Brumfield
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
Dean Faulk
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The holy grail of theoretical physics is to come up with a quantum theory of gravity. But after a century of trying we really have no idea how close we are, or it it's even possible. But we shouldn't feel bad because it turns out that the universe is doing everything it its power to make this as difficult as possible. Or it's telling us that it isn't. Should we take the hint?
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Hosted by Matt O'Dowd
Written by Christopher Pollack & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
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David Neumann
Sean Maddox
Alexander Tamas
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Alex Kern
Ethan Cohen
Stephen Wilcox
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Scott Gray
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John R. Slavik
Donal Botkin
Edmund Fokschaner
chuck zegar
Jordan Young
Daniel Muzquiz
Gamma Ray Burst
Anthony Leon
Billy Holland
Leonardo Schulthais Senna
Lori Ferris
James Sadler
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
Piotr Sarnicki
Massimiliano Pala
Thomas Nielson
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
Ryan Moser
John Anderson
Scott Hannum
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
teng guo
Mason Dillon
Harsh Khandhadia
Susan Albee
Matt Quinn
Michael Lev
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Joe Moreira
Kent Durham
Jim Bartosh
Ramon Nogueira
The Mad Mechanic
John H. Austin, Jr.
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
Tonyface
John Robinson
Jim Hudson
David Barnholdt
John Funai
Bradley Jenkins
Vlad Shipulin
Cody Brumfield
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
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The first discovery of extraterrestrial life will almost certainly NOT be when it visits us, nor when we visit it. It won’t be when we see it’s stray TV signals. It’ll be in the excruciatingly faint changes in the color of alien sunsets glimpsed hundreds of light years away. Today we’re going to talk about the first such hint, why it's probably not aliens, and why there’s a tiny chance that it still might not not be aliens.
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Hosted by Matt O'Dowd
Written by Matt Caplan & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
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Sean Maddox
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Alex Kern
Ethan Cohen
Stephen Wilcox
Mark Heising
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Scott Gray
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Robert Ilardi
John R. Slavik
Donal Botkin
Edmund Fokschaner
Chuck Zegar
Jordan Young
Daniel Muzquiz
Gamma Ray Burst
Billy Holland
Leonardo Schulthais Senna
Lori Ferris
James Sadler
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
Piotr Sarnicki
Massimiliano Pala
Thomas Nielson
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
Ryan Moser
John Anderson
David Giltinan
Scott Hannum
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
teng guo
Mason Dillon
Matt Langford
Harsh Khandhadia
Susan Albee
Matt Quinn
Michael Lev
Terje Vold
James Trimmier
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Paul Wood
Joe Moreira
Kent Durham
Jim Bartosh
Ramon Nogueira
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
John Robinson
Jim Hudson
Alex Gan
David Barnholdt
John Funai
Bradley Jenkins
Vlad Shipulin
Cody Brumfield
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
Dean Faulk
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Whenever we open a new window on the universe we discover something new. Whether it's figuring out how to see to greater distances like with telescopes, or down to smaller size-scales like with microscopes, or perhaps expanding our vision to new wavelengths of light or via exotic means such as in neutrinos or gravitational waves. Well, the 2023 Nobel prize in physics has been awarded to three physicists for opening just such a new window—but it's not a window to a new size scale or a new mode of seeing—-it’s for a new window in time. It’s for attosecond physics—the billionth of a billionth of a second that represents the timescale of the insides of atoms. This year’s Nobel in physics is for a microscope in time
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Hosted by Matt O'Dowd
Written by Fernando Franco Félix & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
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Bryce Fort
Peter Barrett
David Neumann
Sean Maddox
Alexander Tamas
Morgan Hough
Juan Benet
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Alex Kern
Ethan Cohen
Stephen Wilcox
Mark Heising
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Chris Webb
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Kenneth See
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Scott Gorlick
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Scott Gray
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John Anderson
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Ross Story
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Michael Lev
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James Trimmier
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Paul Wood
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Ramon Nogueira
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Faraz Khan
Almog Cohen
Daniel Jennings
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Jeremy Reed
David Johnston
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Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
Tonyface
John Robinson
Jim Hudson
Alex Gan
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John Funai
Bradley Jenkins
Vlad Shipulin
Cody Brumfield
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
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To understand where we came from—how earth, the solar system, the galaxy became what they are today—we need to understand the beginning of time. For example, how did the first galaxies pull themselves together from the dark universe-filling ocean of gas that followed the Big Bang? With the James Webb Space Telescope we’re starting to be able to find those first galaxies. It’s hard work because at those crazy distances all we see is tiny, faint and fuzzy blobs. If only we could see the individual stars in those galaxies we could learn so much more. Well, now using this one weird trick we can do exactly that. Or at least we have one lonely star at the end of the universe. But it won’t be lonely for long.
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Hosted by Matt O'Dowd
Written by Matt Caplan & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Sponsors
Bryce Fort
Peter Barrett
David Neumann
Sean Maddox
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Fabrice Eap
Mark Rosenthal
Quasar Sponsors
Glenn Sugden
Alex Kern
Ethan Cohen
Stephen Wilcox
Mark Heising
Hypernova Sponsors
Stephen Spidle
Chris Webb
Ivari Tölp
Zachry Wilson
Kenneth See
Gregory Forfa
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
Edmund Fokschaner
Chuck Zegar
Jordan Young
Daniel Muzquiz
Gamma Ray Burst Supporters
Lori Ferris
James Sadler
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
Piotr Sarnicki
Massimiliano Pala
Thomas Nielson
Joe Pavlovic
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
Ryan Moser
John Anderson
David Giltinan
Scott Hannum
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
teng guo
Mason Dillon
Matt Langford
Harsh Khandhadia
Thomas Tarler
Susan Albee
Matt Quinn
Michael Lev
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Joe Moreira
Kent Durham
Ramon Nogueira
Ellis Hall
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Frederic Simon
John Robinson
Jim Hudson
Alex Gan
David Barnholdt
David Neal
John Funai
Bradley Jenkins
Vlad Shipulin
Cody Brumfield
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
Dean Faulk
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It’s hard to interpret the strange results of quantum mechanics, though many have tried. Interpretations range from the outlandish—like the multiple universes of Many Worlds, to the almost mundane, like the very mechanical Pilot Wave Theory. But perhaps we’re converging on an answer, because some are arguing that these two interpretations are really the same thing.
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Hosted by Matt O'Dowd
Written by Taha Dawoodbhoy & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Sponsors
Bryce Fort
Peter Barrett
David Neumann
Sean Maddox
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Fabrice Eap
Mark Rosenthal
Quasar Sponsors
Glenn Sugden
Alex Kern
Ethan Cohen
Stephen Wilcox
Mark Heising
Hypernova Sponsors
Stephen Spidle
Chris Webb
Ivari Tölp
Zachry Wilson
Kenneth See
Gregory Forfa
drollere
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
Edmund Fokschaner
chuck zegar
Jordan Young
Daniel Muzquiz
Gamma Ray Burst Sponsors
Lori Ferris
James Sadler
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
Piotr Sarnicki
Massimiliano Pala
Thomas Nielson
Joe Pavlovic
Ryan McGaughy
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
Ryan Moser
John Anderson
David Giltinan
Scott Hannum
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
teng guo
Mason Dillon
Matt Langford
Harsh Khandhadia
Thomas Tarler
Susan Albee
Frank Walker
Matt Quinn
Michael Lev
Terje Vold
James Trimmier
Jeremy Soller
Paul Wood
Joe Moreira
Kent Durham
Ramon Nogueira
Ellis Hall
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Eric Kiebler
Craig Stonaha
Frederic Simon
John Robinson
Jim Hudson
Alex Gan
David Barnholdt
David Neal
John Funai
Bradley Jenkins
Vlad Shipulin
Cody Brumfield
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
Dean Faulk
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Superconductive materials seem miraculous. Their resistanceless flow of electricity has been exploited in some powerful ways—from super-strong magnets used in MRIs, particle accelerators and fusion plants. And then there’s, their bizarre ability to levitate in magnetic fields. But the broader use of superconductors is limited because they need to be cooled to extremely low temperatures to work. But what if we could produce superconductivity at room temperature? It would change the world.
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Hosted by Matt O'Dowd
Written by Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini, Adriano Leal & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Supporters
Bryce Fort
Peter Barrett
David Neumann
Sean Maddox
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Fabrice Eap
Mark Rosenthal
Quasar Supporters
Glenn Sugden
Alex Kern
Ethan Cohen
Stephen Wilcox
Mark Heising
Hypernova Supporters
Stephen Spidle
Chris Webb
Ivari Tölp
Zachary Wilson
Kenneth See
Gregory Forfa
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
Edmund Fokschaner
chuck zegar
Jordan Young
Daniel Muzquiz
Gamma Ray Burst Supporters
Dennis Van Hoof
Koen Wilde
Nicolas Katsantonis
Piotr Sarnicki
Massimiliano Pala
Thomas Nielson
Joe Pavlovic
Ryan McGaughy
Justin Lloyd
Chuck Lukaszewski
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
Ryan Moser
John Anderson
David Giltinan
Scott Hannum
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
Teng Guo
Mason Dillon
Matt Langford
Harsh Khandhadia
Thomas Tarler
Susan Albee
Frank Walker
Michael Lev
Terje Vold
James Trimmier
Jeremy Soller
Andre Stechert
Paul Wood
Joe Moreira
Kent Durham
Ramon Nogueira
The Mad Mechanic
Ellis Hall
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Robert Walter
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Eric Kiebler
Craig Stonaha
Frederic Simon
John Robinson
Jim Hudson
Alex Gan
David Barnholdt
David Neal
John Funai
Bradley Jenkins
Vlad Shipulin
Cody Brumfield
Thomas Dougherty
King Zeckendorff
Dan Warren
Joseph Salomone
Patrick Sutton
Dean Faulk
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In order to see the faint light from objects in deepest space, astronomers go to the darkest places on the planet. In order to listen to their quite radio signals, they head as far from any radio-noisy humans as possible. But there’s nowhere on the earth, or even orbiting the Earth, that’s far enough to hear to the faint radio hum from the time before stars. In fact, we may need to build a giant radio telescope in the quietest place in the solar system—the far side of the moon.
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Hosted by Matt O'Dowd
Written by Matt Caplan & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini, Adriano Leal & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Sponsor
Bryce Fort
Peter Barrett
David Neumann
Sean Maddox
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Fabrice Eap
Mark Rosenthal
Quasar Sponsor
Glenn Sugden
Alex Kern
Ethan Cohen
Stephen Wilcox
Mark Heising
Hypernova Sponsor
Stephen Spidle
Chris Webb
Ivari Tölp
Zachary Wilson
Kenneth See
Gregory Forfa
Bradley Voorhees
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Mathew Handugan
Donal Botkin
Edmund Fokschaner
chuck zegar
Jordan Young
Daniel Muzquiz
Gamma Ray Burst Sponsors
Koen Wilde
Nicolas Katsantonis
Robin Bayley
Piotr Sarnicki
Massimiliano Pala
Thomas Nielson
Joe Pavlovic
Ryan McGaughy
Chuck Lukaszewski
Edward Hodapp
Cole B Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
Ryan Moser
John Anderson
David Giltinan
Scott Hannum
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
Teng Guo
Mason Dillon
Matt Langford
Harsh Khandhadia
Thomas Tarler
Susan Albee
Frank Walker
Matt Quinn
Michael Lev
Terje Vold
James Trimmier
Jeremy Soller
Andre Stechert
Paul Wood
Joe Moreira
Kent Durham
Ramon Nogueira
The Mad Mechanic
Ellis Hall
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Cameron Sampson
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Andrew Mann
Isaac Suttell
Oliver Flanagan
Bleys Goodson
Robert Walter
Mark Delagasse
Mark Daniel Cohen
Shane Calimlim
Eric Kiebler
Craig Stonaha
Frederic Simon
Dmitri McGuiness
John Robinson
Jim Hudson
Alex Gan
David Barnholdt
David Neal
John Funai
Bradley Jenkins
Vlad Shipulin
Cody Brumfield
Thomas Dougherty
King Zeckendorff
Dan Warren
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Patrick Sutton
Dean Faulk
PBS Member Stations rely on viewers like you. To support your local station, go to:http://to.pbs.org/DonateSPACE
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Spacetime on its smallest scales is a seething ocean of black holes and wormholes flickering into and out of existence—or so many physicists think has to be the case. But why should we take this spacetime foam seriously if we’ve never seen any evidence of it?
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Hosted by Matt O'Dowd
Written by Christopher Pollack & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini, Adriano Leal & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
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Peter Barrett
David Neumann
Sean Maddox
Alexander Tamas
Morgan Hough
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Donal Botkin
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chuck zegar
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Nikhil Sharma
Ryan Moser
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Craig Falls
Vivaan Vaka
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Ross Story
teng guo
Mason Dillon
Matt Langford
Harsh Khandhadia
Thomas Tarler
Susan Albee
Frank Walker
Matt Quinn
Michael Lev
Terje Vold
James Trimmier
Jeremy Soller
Andre Stechert
Paul Wood
Kent Durham
Ramon Nogueira
Ellis Hall
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
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Russ Creech
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Robert Walter
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Vlad Shipulin
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King Zeckendorff
Dan Warren
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Patrick Sutton
John Griffith
Dean Faulk
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We knew that the James Webb Space Telescope would find interesting stuff, especially about the mysterious early times. For example, there are hints that the galaxies we’re seeing are brighter and more regular than expected given the short amount of time they’d had to grow. Well, perhaps no one was expecting that we’d find a completely new type of star—one mostly made of and powered by dark matter and shining as bright as an entire galaxy. Which, by the way, might help us explain those pesky giant galaxies.
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Hosted by Matt O'Dowd
Written by Matt Caplan & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini, Adriano Leal & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
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David Neumann
Sean Maddox
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Alex Kern
Ethan Cohen
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teng guo
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Michael Lev
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Ramon Nogueira
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Ellis Hall
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Diana S Poljar
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Thomas Dougherty
King Zeckendorff
Dan Warren
Patrick Sutton
John Griffith
Dean Faulk
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We have no idea what dark matter is, other than it’s some source of gravity that is completely invisible but exerts way more pull that all of the regular matter. More than all of the stars, all of the gas, all of the black holes…unless dark matter is black holes, then black holes are most of everything. Dark matter constitutes 80% or so of the mass in the universe, which means even our Milky Way galaxy is mostly a vast ball of dark matter that happens to have attracted a relative sprinkling of baryons—atoms in the form of gas, which lit up as starry glitter spinning in the middle of this invisible gravitational well.
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Hosted by Matt O'Dowd
Written by Taha Dawoodbhoy & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini, Adriano Leal & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Supporters
Bryce Fort
Peter Barrett
David Neumann
Sean Maddox
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Fabrice Eap
Mark Rosenthal
Quasar Supporters
Glenn Sugden
Alex Kern
Ethan Cohen
Stephen Wilcox
Christina Oegren
Mark Heising
Hypernova Supporters
Stephen Spidle
Chris Webb
Ivari Tölp
Zachary Wilson
Kenneth See
Gregory Forfa
Kirk Honour
Joe Moreira
Bradley Voorhees
Marc Armstrong
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
John Pollock
Edmund Fokschaner
Chuck Zegar
Jordan Young
Daniel Muzquiz
Gamma Ray Burst
Robin Bayley
Piotr Sarnicki
Massimiliano Pala
Thomas Nielson
Joe Pavlovic
Ryan McGaughy
Chuck Lukaszewski
Edward Hodapp
Cole Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
Ryan Moser
John Anderson
David Giltinan
Scott Hannum
Bradley Ulis
Craig Falls
Vivaan Vaka
Kane Holbrook
Ross Story
Teng Guo
Mason Dillon
Matt Langford
Harsh Khandhadia
Thomas Tarler
Susan Albee
Frank Walker
Matt Quinn
Michael Lev
Terje Vold
James Trimmier
Jeremy Soller
Andre Stechert
Paul Wood
Kent Durham
Ramon Nogueira
Paul Suchy
Ellis Hall
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Cameron Sampson
Jeremy Reed
David Johnston
Michael Barton
Andrew Mann
Isaac Suttell
Bleys Goodson
Robert Walter
Mark Delagasse
Mark Daniel Cohen
Nickolas Andrew Freeman
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Graydon Goss
Frederic Simon
Dmitri McGuiness
John Robinson
Jim Hudson
Alex Gan
David Barnholdt
David Neal
John Funai
Bradley Jenkins
Jiri Borkovec
Vlad Shipulin
Cody Brumfield
Thomas Dougherty
King Zeckendorff
Dan Warren
Patrick Sutton
John Griffith
Dean Faulk
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A few weeks ago a large team of gravitational wave astronomers announced something pretty wild. The moderately confident detection of pervasive ripples in the fabric of space time that presumably fills the cosmos, detected by watching for subtle connections between the signals from rapidly spinning cores of dead stars in our galactic neighborhood. In other words, the gravitational wave background has probably been detected using a pulsar timing array.
Thumbnail Image Illustration Credit: Olena Shmahalo for NANOGrav
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Hosted by Matt O'Dowd
Written by Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini, Adriano Leal & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Sponsors
Bryce Fort
Peter Barrett
David Neumann
Sean Maddox
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Fabrice Eap
Mark Rosenthal
Quasar Sponsors
Glenn Sugden
Alex Kern
Ethan Cohen
Stephen Wilcox
Christina Oegren
Mark Heising
Hypernova Sponsors
Stephen Spidle
Chris Webb
Ivari Tölp
Zachary Wilson
Kenneth See
Gregory Forfa
Kirk Honour
Joe Moreira
Bradley Voorhees
Marc Armstrong
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
John Pollock
Edmund Fokschaner
Chuck Zegar
Jordan Young
Daniel Muzquiz
Gamma Ray Burst Supporters
Robin Bayley
Piotr Sarnicki
Massimiliano Pala
Thomas Nielson
Joe Pavlovic
Ryan McGaughy
Chuck Lukaszewski
Edward Hodapp
Cole Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
Ryan Moser
John Anderson
David Giltinan
Scott Hannum
Bradley Ulis
Craig Falls
Vivaan Vaka
Kane Holbrook
Ross Story
Teng Guo
Mason Dillon
Matt Langford
Harsh Khandhadia
Thomas Tarler
Susan Albee
Frank Walker
Matt Quinn
Michael Lev
Terje Vold
James Trimmier
Jeremy Soller
Andre Stechert
Paul Wood
Kent Durham
Ramon Nogueira
Paul Suchy
Ellis Hall
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Daniel Jennings
Cameron Sampson
Jeremy Reed
David Johnston
Michael Barton
Andrew Mann
Isaac Suttell
Bleys Goodson
Robert Walter
Mark Delagasse
Mark Daniel Cohen
Nickolas Andrew Freeman
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Graydon Goss
Frederic Simon
Dmitri McGuiness
John Robinson
Jim Hudson
Alex Gan
David Barnholdt
David Neal
John Funai
Bradley Jenkins
Jiri Borkovec
Vlad Shipulin
Cody Brumfield
Thomas Dougherty
King Zeckendorff
Dan Warren
Patrick Sutton
John Griffith
Dean Faulk
00:00 Introduction
01:02 Relativity and Gravitational Waves
02:21 Discovering Gravitational Waves
03:49 Gravitational Waves & Pulsars
05:04 Pulsar Timing Array Discovers GWB
06:48 Understanding the GWB
07:55 Are Pulsars Seeing Gravitational Waves?
09:00 Correlated & Anti-Correlated Pulsar Rates
10:07 Hellings and Downs Curve
11:44 Binary Supermassive Black Holes
13:39 NANOgrav Frequency Spectrum
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One of the most fundamental physics facts is that the speed of light in a vacuum is constant for all observers. But can we really be sure that the speed of light wasn’t different in the past, or perhaps in other parts of the universe? In fact, variable speed of light theories have long been used to try to explain everything from dark energy to gravity itself. Let’s explore how constant this fundamental constant really is.
All Previous Episodes Referenced
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Hosted by Matt O'Dowd
Written by Fernando Franco Félix & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini, Adriano Leal & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Sponsors
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Peter Barrett
David Neumann
Sean Maddox
Alexander Tamas
Morgan Hough
Juan Benet
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Glenn Sugden
Alex Kern
Ethan Cohen
Stephen Wilcox
Christina Oegren
Mark Heising
Hypernova Sponsors
Stephen Spidle
Chris Webb
Ivari Tölp
Zacahary Wilson
Kenneth See
Gregory Forfa
Kirk Honour
Joe Moreira
Bradley Voorhees
Marc Armstrong
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
John Pollock
Edmund Fokschaner
chuck zegar
Jordan Young
Daniel Muzquiz
Gamma Ray Burst Sponsors
Jakub Jasinski
Robin Bayley
Piotr Sarnicki
Massimiliano Pala
Thomas Nielson
Joe Pavlovic
Ryan McGaughy
Chuck Lukaszewski
Edward Hodapp
Cole Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
Ryan Moser
John Anderson
David Giltinan
Scott Hannum
Bradley Ulis
Craig Falls
Vivaan Vaka
Kane Holbrook
Ross Story
teng guo
Mason Dillon
Matt Langford
Harsh Khandhadia
Thomas Tarler
Susan Albee
Frank Walker
Matt Quinn
Michael Lev
Terje Vold
James Trimmier
Andre Stechert
Paul Wood
Kent Durham
Ramon Nogueira
Paul Suchy
Ellis Hall
John H. Austin, Jr.
Diana S Polijar
Faraz Khan
Almog Cohen
Alex Edwards
Daniel Jennings
Cameron Sampson
Jeremy Reed
David Johnston
Michael Barton
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Isaac Suttell
Bleys Goodson
Robert Walter
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Alex Gan
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David Neal
John Funai
Bradley Jenkins
Jiri Borkovec
Vlad Shipulin
Cody Brumfield
Thomas Dougherty
King Zeckendorff
Dan Warren
Patrick Sutton
John Griffith
Dean Faulk
00:00 Introduction
00:31 Light & Relativity
01:49 Is the Speed of Light Invariant?
05:13 First VSL Theory
06:43 VSL & The Horizon Problem
09:09 Moffat's VSL Proposal
09:46 Albercht & Mageuijo's VSL
10:37 Are VSL Theories Testable?
12:58 VSL & Refractive Index of the Universe
13:56 Is there VSL Evidence?
14:51 Comments
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Quantum mechanics is our best theory of the fundamental nature of reality, but it's usually only distinguishable from familiar classical mechanics on the smallest scales. However, there are some fringe cases where its distinct features manifest on scales we can observe—in things like superfluids, or the interiors of collapsed stars. But it’s also possible that our entire galaxy is filled with a reverberating quantum mechanical wave that literally holds the galaxy together—and in fact explains all the dark matter that we see across the universe. And this isn’t even a fringe theory. It’s axionic dark matter.
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Hosted by Matt O'Dowd
Written by Taha Dawoodbhoy & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini, Adriano Leal & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Supporters
Bryce Fort
Peter Barrett
David Neumann
Sean Maddox
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Fabrice Eap
Mark Rosenthal
Quasar Supporters
Vivaan Vaka
Glenn Sugden
Alex Kern
Ethan Cohen
Stephen Wilcox
Christina Oegren
Mark Heising
Hypernova Supporters
Stephen Spidle
Chris Webb
Ivari Tölp
Zachary Wilson
Kenneth See
Gregory Forfa
Kirk Honour
Joe Moreira
Bradley Voorhees
Marc Armstrong
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
John Pollock
Edmund Fokschaner
chuck zegar
Jordan Young
Daniel Muzquiz
Gamma Ray Burst Supporters
Jakub Jasinski
Robin Bayley
Piotr Sarnicki
Matthew Oldfield
Massimiliano Pala
Thomas Nielson
Joe Pavlovic
Ryan McGaughy
Chuck Lukaszewski
Edward Hodapp
Cole B. Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
Ryan Moser
John Anderson
David Giltinan
Scott Hannum
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
teng guo
Mason Dillon
Matt Langford
Harsh Khandhadia
Thomas Tarler
Susan Albee
Frank Walker
Matt Quinn
Michael Lev
Terje Vold
James Trimmier
Andre Stechert
Paul Wood
Kent Durham
Ramon Nogueira
Paul Suchy
Ellis Hall
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Alex Edwards
Daniel Jennings
Cameron Sampson
Jeremy Reed
David Johnston
Michael Barton
Andrew Mann
Isaac Suttell
Bleys Goodson
Robert Walter
Mark Delagasse
Mark Daniel Cohen
Nickolas Andrew Freeman
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Graydon Goss
Frederic Simon
Dmitri McGuiness
John Robinson
Jim Hudson
Alex Gan
David Barnholdt
David Neal
John Funai
Bradley Jenkins
Vlad Shipulin
Cody Brumfield
Thomas Dougherty
King Zeckendorff
Dan Warren
Patrick Sutton
John Griffith
Dean Faulk
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The humble proton may seem simple enough, and they’re certainly common. People are made of cells, cells are made of molecules, molecules are made of atoms, atoms are made of electrons, protons, and neutrons. And protons are each made of three up or down quarks. Simple stuff, right? All except for that last part. Protons are actually made of many, many quarks that happen to look like three only when we look at them in a particular way. And even then, sometimes they’re made of 5 quarks - including the charm quark.
Image Credit for 6:28 (youtu.be/TbzZIMQC6vk?feature=shared&t=388):
Proton Animation. Courtesy of James LaPlante, Sputnik Animation. © MIT and Jefferson Lab, 2021, All Rights Reserved. The Visualizing the Proton Project is presented by the MIT Center for Art, Science & Technology, Jefferson Lab, and US Department of Energy’s Office of Science.
Check Our Matt on Star Talk with Neil deGrasse Tyson
youtu.be/OcX7xpxOC2U
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Hosted by Matt O'Dowd
Written by Fernando Franco Félix & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini, Adriano Leal & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Sponsors
Bryce Fort
Peter Barrett
David Neumann
Sean Maddox
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Fabrice Eap
Mark Rosenthal
Quasar Sponsors
Vivaan Vaka
Glenn Sugden
Alex Kern
Ethan Cohen
Stephen Wilcox
Christina Oegren
Mark Heising
Hypernova Sponsors
Stephen Spidle
Chris Webb
Ivari Tölp
Zachary Wilson
Kenneth See
Gregory Forfa
Kirk Honour
Joe Moreira
Bradley Voorhees
Marc Armstrong
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
Robert Ilardi
John R. Slavik
Donal Botkin
John Pollock
Edmund Fokschaner
Chuck Zegar
Jordan Young
Daniel Muzquiz
Gamma Ray Burst
Jakub Jasinski
Robin Bayley
Piotr Sarnicki
Matthew Oldfield
Massimiliano Pala
Thomas Nielson
Joe Pavlovic
Ryan McGaughy
Chuck Lukaszewski
Edward Hodapp
Cole Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
Ryan Moser
John Anderson
David Giltinan
Scott Hannum
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
teng guo
Mason Dillon
Matt Langford
Harsh Khandhadia
Thomas Tarler
Susan Albee
Frank Walker
Matt Quinn
Michael Lev
Terje Vold
James Trimmier
Andre Stechert
Paul Wood
Kent Durham
Ramon Nogueira
Ellis Hall
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Alex Edwards
Daniel Jennings
Cameron Sampson
Jeremy Reed
David Johnston
Michael Barton
Andrew Mann
Isaac Suttell
Bleys Goodson
Robert Walter
Mark Delagasse
Mark Daniel Cohen
Nickolas Andrew Freeman
Shane Calimlim
Tybie Fitzhugh
Eric Kiebler
Craig Stonaha
Graydon Goss
Frederic Simon
Dmitri McGuinness
John Robinson
Jim Hudson
Alex Gan
David Barnholdt
David Neal
John Funai
Bradley Jenkins
Jiri Borkovec
Vlad Shipulin
Cody Brumfield
Thomas Dougherty
Dan Warren
Patrick Sutton
John Griffith
Dean Faulk
00:00 Introduction
01:24 The Physics of Scattering
03:06 Using Electrons To Study Protons
04:11 3 Quark Proton Model
05:28 The Quark Sea
06:56 Charm Quark Evidence
08:04 Intrinsic Vs. Extrinsic Particle
09:51 The Uncertainty of Proton Experiments
11:09 QCD & Heisenberg Uncertainty
12:33 Proving the Theory of Intrinsic Charm
13:41 Testing Intrinsic Charm with AI
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The deaths of massive stars results in one of the most beautiful and violent events in the universe: the supernova. They are so luminous we can see them here on Earth and historical records show that we can even see them into the day. But supernovas release deadly and violent radiation that could destroy our atmosphere. So how far away do these supernova have to be for humanity to be safe? And when will the next supernova occur
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Hosted by Matt O'Dowd
Written by Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini, Adriano Leal & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
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Interstellar travel is horrible-what with the cramped quarters of your spaceship and only the thin hull separating you from deathly cold and deadly cosmic rays. Much safer to stay on here Earth with our gloriously habitable biosphere, protective magnetic field, and endless energy from the Sun. But what if we could have the best of all worlds? No pun intended. What if we could turn our entire solar system into a spaceship and drive the Sun itself around the galaxy? Well, I don't know if we definitely can, but we might not not be able to.
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Hosted by Matt O'Dowd
Written by Matt Caplan & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini, Adriano Leal & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
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The weird rules of quantum mechanics lead to all sorts of bizarre phenomena on tiny scales— particles teleporting through walls or being in multiple places at once or simultaneously existing and not. Shame all this magical behavior doesn’t happen on scales large enough for us to see. Except that there is a way for us to see large-scale quantum weirdness, and that’s Bose-Einstein Condensates & Superfluids.
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Hosted by Matt O'Dowd
Written by Fernando Franco Felix & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini, Adriano Leal & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
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Ethan Cohen
Stephen Wilcox
Christina Oegren
Mark Heising
Hypernova Sponsors
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Whenever we open a new window on the universe, we discover things that no one expected. Our newfound ability to measure ripples in the fabric of spacetime—gravitational waves—is a very new window, and so far we’ve seen a lot of wild stuff. We’ve observed black holes colliding, and their oddly high masses challenges our understanding of black hole formation and growth. We’ve seen colliding neutron stars that have forced us to rewrite our ideas of how many of the elements of the periodic table get made. But what else might be hiding in the ripples’ of spacetime? Oh, I know: how about the gravitational wakes caused by planet-sized alien spacecraft accelerating to near light speed.
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Hosted by Matt O'Dowd
Written by Matt Caplan & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini, & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Sponsors
Bryce Fort
Peter Barrett
David Neumann
Sean Maddox
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Fabrice Eap
Mark Rosenthal
Quasar Sponsors
Vivaan Vaka
Glenn Sugden
Alex Kern
Ethan Cohen
Stephen Wilcox
Christina Oegren
Mark Heising
Hypernova Sponsors
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Zachray Wilson
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Bradley Voorhees
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Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
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Mathew
Donal Botkin
John Pollock
Edmund Fokschaner
chuck zegar
Jordan Young
Daniel Muzquiz
Gamma Ray Burst Supporters
Matthew Oldfield
Lucas Kazakevicius
Massimiliano Pala
Thomas Nielson
Joe Pavlovic
Ryan McGaughy
Chuck Lukaszewski
Edward Hodapp
Cole Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
Ryan Moser
Jonathan Cordovano
John Anderson
David Giltinan
Scott Hannum
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
teng guo
Mason Dillon
Matt Langford
Harsh Khandhadia
Thomas Tarler
Susan Albee
Frank Walker
Matt Quinn
Michael Lev
Terje Vold
James Trimmier
Andre Stechert
Paul Wood
Kent Durham
Ramon Nogueira
Paul Suchy
Ellis Hall
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Alex Edwards
Daniel Jennings
Cameron Sampson
Jeremy Reed
David Johnston
Michael Barton
Andrew Mann
Isaac Suttell
Bleys Goodson
Robert Walter
Mark Delagasse
Mark Daniel Cohen
Nickolas Andrew Freeman
Shane Calimlim
Tybie Fitzhugh
Robert Ilardi
Eric Kiebler
Craig Stonaha
Graydon Goss
Frederic Simon
Dmitri McGuiness
John Robinson
Jim Hudson
Alex Gan
David Barnholdt
David Neal
John Funai
Bradley Jenkins
Jiri Borkovec
Vlad Shipulin
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Thomas Dougherty
Dan Warren
Patrick Sutton
John Griffith
Dean Faulk
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If I roll a pair of dice and you get to bet on one number, what do you choose? The smart choice is 7 because there are more ways for 2 dice to come up 7 than any other number. Well, it turns out that you can apply the same logic to predicting the behavior of the universe. Let’s see how some of our most powerful tools in physics are really a game of cosmic craps.
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Hosted by Matt O'Dowd
Written by Fernando Franco Felix & Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini, & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
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Peter Barrett
David Neumann
Sean Maddox
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Morgan Hough
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Quasar Sponsors
Vivaan Vaka
Glenn Sugden
Alex Kern
Ethan Cohen
Stephen Wilcox
Christina Oegren
Mark Heising
Hypernova Sponsors
Ivari Tölp
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Zachary Wilson
Kenneth See
Gregory Forfa
Kirk Honour
Joe Moreira
Bradley Voorhees
Marc Armstrong
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
John R. Slavik
Donal Botkin
John Pollock
Edmund Fokschaner
chuck zegar
Jordan Young
Daniel Muzquiz
Gamma Ray Burst Sponsors
Matthew Oldfield
Lucas Kazakevicius
Massimiliano Pala
Thomas Nielson
Joe Pavlovic
Ryan McGaughy
Chuck Lukaszewski
Edward Hodapp
Cole Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
Ryan Moser
Jonathan Cordovano
John Anderson
David Giltinan
Scott Hannum
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
teng guo
Mason Dillon
Matt Langford
Harsh Khandhadia
Thomas Tarler
Susan Albee
Frank Walker
Matt Quinn
Michael Lev
Terje Vold
James Trimmier
Andre Stechert
Paul Wood
Kent Durham
jim bartosh
Ramon Nogueira
Paul Suchy
Ellis Hall
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Alex Edwards
Daniel Jennings
Cameron Sampson
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Andrew Mann
Isaac Suttell
Bleys Goodson
Robert Walter
Mirik Gogri
Mark Delagasse
Mark Daniel Cohen
Nickolas Andrew Freeman
Shane Calimlim
Tybie Fitzhugh
Robert Ilardi
Eric Kiebler
Craig Stonaha
Graydon Goss
Frederic Simon
Dmitri McGuiness
John Robinson
Jim Hudson
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David Neal
John Funai
Bradley Jenkins
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Thomas Dougherty
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Dean Faulk
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Astrophysicists have discovered a black hole that for millions of years has been blasting vast particle beams in opposite directions across the sky. And has recently swiveled to point its one of these jets directly at us. Is this an intergalactic death ray of an alien civilization that has suddenly noticed us? Absolutely not, and there’s no danger at all. But it’s a pretty cool phenomenon anyway, and something we’ve never seen before.
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Hosted by Matt O'Dowd
Written by Matt O'Dowd
Post Production by Leonardo Scholzer, Yago Ballarini, Pedro Osinski, Caique Oliveira, Adriano Leal & Stephanie Faria
Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell
Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2023 PBS. All rights reserved.
End Credits Music by J.R.S. Schattenberg: youtube.com/user/MultiDroideka
Space Time Was Made Possible In Part By:
Big Bang Sponsor
Ian Jones
Bryce Fort
Peter Barrett
David Neumann
Sean Maddox
Alexander Tamas
Morgan Hough
Juan Benet
Vinnie Falco
Fabrice Eap
Mark Rosenthal
Gamma Ray Burst Sponsor
Vivaan Vaka
Glenn Sugden
Alex Kern
Ethan Cohen
Stephen Wilcox
Christina Oegren
Mark Heising
Hypernova Sponsors
Ivari Tölp
Vyce Ailour
Zachary Wilson
Kenneth See
Gregory Forfa
Kirk Honour
Joe Moreira
Bradley Voorhees
Marc Armstrong
Scott Gorlick
Paul Stehr-Green
Ben Delo
Scott Gray
Антон Кочков
John R. Slavik
Donal Botkin
John Pollock
Edmund Fokschaner
chuck zegar
Jordan Young
Daniel Muzquiz
Gamma Ray Burst
Matthew Oldfield
Lucas Kazakevicius
Massimiliano Pala
Thomas Nielson
Joe Pavlovic
Ryan McGaughy
Chuck Lukaszewski
Edward Hodapp
Cole Combs
Andrea Galvagni
Jerry Thomas
Nikhil Sharma
Ryan Moser
Jonathan Cordovano
John Anderson
David Giltinan
Scott Hannum
Bradley Ulis
Craig Falls
Kane Holbrook
Ross Story
Teng Guo
Mason Dillon
Matt Langford
Harsh Khandhadia
Thomas Tarler
Susan Albee
Frank Walker
Matt Quinn
Michael Lev
Terje Vold
James Trimmier
Andre Stechert
Paul Wood
Kent Durham
jim bartosh
Ramon Nogueira
Paul Suchy
Ellis Hall
John H. Austin, Jr.
Diana S Poljar
Faraz Khan
Almog Cohen
Alex Edwards
Daniel Jennings
Cameron Sampson
Russ Creech
Jeremy Reed
David Johnston
Michael Barton
Andrew Mann
Isaac Suttell
Bleys Goodson
Robert Walter
Mirik Gogri
Mark Delagasse
Mark Daniel Cohen
Nickolas Andrew Freeman
Shane Calimlim
Tybie Fitzhugh
Robert Ilardi
Eric Kiebler
Craig Stonaha
Graydon Goss
Frederic Simon
Dmitri McGuiness
John Robinson
Jim Hudson
David Barnholdt
David Neal
John Funai
Bradley Jenkins
Jiri Borkovec
Cody Brumfield
Thomas Dougherty
Dan Warren
Patrick Sutton
John Griffith
Dean Faulk