Sixty Symbols | The Gravitational Wave Background - Sixty Symbols @sixtysymbols | Uploaded 9 months ago | Updated 11 hours ago
Oliver Gould & Swagat Mishra discuss groundbreaking findings in the field of gravitational waves. More links and info below

The North American Nanohertz Observatory for Gravitational Waves (NANOGrav) Collaboration: https://nanograv.org

Oliver Gould and Swagat Mishar are physicists at the University of Nottingham. More about the School of Physics and Astronomy at: http://bit.ly/NottsPhysics

More Sixty Symbols videos:
Black Hole Mergers and Multi-Messenger Astronomy - https://youtu.be/aSUlCB0gNK8
Primordial Black Holes - https://youtu.be/gs3mtZPySeM
Primordial Gravitational Waves - https://youtu.be/q702wxf_OPw
Golden Cubes and Gravitational Waves - https://youtu.be/yzPPnP9FQeI
Gravitational Waves Discovery - https://youtu.be/hIgZG7A1fqc
LHC Videos - https://www.youtube.com/playlist?list=PL7DEC46BD7058D7BB

Some relevant papers:
The NANOGrav 15 yr Data Set: Search for Signals from New Physics- https://ui.adsabs.harvard.edu/abs/2023ApJ...951L..11A/abstract
The NANOGrav 15 yr Data Set: Evidence for a Gravitational-wave Background- https://ui.adsabs.harvard.edu/abs/2023ApJ...951L...8A/abstract
The NANOGrav 15 yr Data Set: Observations and Timing of 68 Millisecond Pulsars- https://ui.adsabs.harvard.edu/abs/2023ApJ...951L...9A/abstract
The NANOGrav 15 yr Data Set: Constraints on Supermassive Black Hole Binaries from the Gravitational-wave Background-
https://ui.adsabs.harvard.edu/abs/2023ApJ...952L..37A/abstract
Chinese PTA - https://inspirehep.net/literature/2672606
Parkes PTA (Australia) - https://inspirehep.net/literature/2672611
European PTA and Indian PTA - https://inspirehep.net/literature/2672722

Dr. Oliver Gould - https://www.nottingham.ac.uk/physics/people/oliver.gould
Swagat S Mishra - https://www.nottingham.ac.uk/physics/people/swagat.mishra and https://swagatam18.wordpress.com/

Sixty Symbols Patreon: https://www.patreon.com/sixtysymbols

This project features scientists from The University of Nottingham
http://bit.ly/NottsPhysics

Video by Brady Haran and James Hennessy
http://www.bradyharanblog.com

Email list: http://eepurl.com/YdjL9

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$Scale of the Universe Filmed at CERN and the LHC. Behind the scenes at: http://youtu.be/5vZ6cwDXVF0 Sub to sixtysymbols: http://bit.ly/sixtysymbols ... Song by Dave Lens (http://bit.ly/boychannel) featuring ViHart (http://bit.ly/vihartchannel) iTunes: http://bit.ly/16qNETg Another spoken version by Dave: http://www.youtube.com/watch?v=eqODDLlMNJ0 Visit our website at http://www.sixtysymbols.com/ Were on Facebook at http://www.facebook.com/sixtysymbols And Twitter at http://twitter.com/#!/periodicvideos This project features scientists from The University of Nottingham http://www.nottingham.ac.uk/physics/index.aspx Sixty Symbols videos by Brady Haran A run-down of Bradys channels: http://periodicvideos.blogspot.co.uk/2012/06/here-are-my-channels.html LYRICS If you were to / Zoom in / phase-out, move in / focus on this Human / whose cells magnify as you fly through them, and see Atoms, looming / but you keep shooting past protons, bosons, quarks til even a part of a particles too big / Then boom / an end to the intrusion / As you hit the resolution of the universe / the strands of its fabric the tiniest fragment / the planck length, past that, Gravity becomes fallacy, try contrasting that with the galaxies / try to grasp the huge magnitude of the universe its unimaginable. But lets try anyway. If that insane length was one dollar bill / Then to reach the wavelength of the smallest particles Quarks, that are so fundamental they dont have an inherent size would be the current price youd gain if you sold Mount Everest made out of gold. That is insane. if you applied the Midas touch to my mind itd be quite enough to buy a car to drive And the gluons and 3 quarks combined make a large hadron those guys collide; a proton / and to magnify to that size would turn that Midas mountain into a diamond / my mind made of that could buy you an island / and next we ramp up, from quarks and protons to atoms, atoms the fractions of matter the ones that that grant us our mass, and if that quark was counted every time you take a / single breath / youd respire Midas mountains then until your death / and if that life / was compressed into one lock of hair / then as we climb / up the rest / of these atomic stairs / then wed pass / DNA / when we get to my red streak and the size of our cells / we equate / to every hair on my head... [Sometimes you make me feel so small Cant comprehend your size Yet Im a giant in your eyes] If we took my head of hair that a cell represents lifetimes of Midas Everest breaths and then you would stretch it out to the skyline, again and again youd find circle round the earth 10 times before you meet me... and you. Right here the reach of a human, a meter or two / and if we were to choose one song to represent those horizons, an MP3 on our device then to reach the size of the earth compared to like our size thats a terabyte hard drive filled with our files it seems immense And if we compress that collection to one word to represent our world, then scaling coefficients from the planet to the solar system would let me re-read the whole of deathly hallows awesome. And then to travel between stars as we take to the skies Would be 10 times every word youll ever say in your life And as an analogy of the expanse of galaxies up in space 10 times the total of every word in every book ever made And to move up to the scale of galaxy clusters would be every word said by everyone in Shanghai, in London Berlin, delhi, LA, Mumbai, Sao Paulo and Moscow Jakarta, Karachi, Dubai, Telford, Tokyo and Stockholm And then to galaxy superclusters in the large-scale structure with filaments that feel inadequately described as humungous since if we stay with the scale of Earth as a word that equates to all the words everyone alive today will ever say finally we reach the biggest physical thing we can confirm The indescribable size of the observable universe which would be more than every word that every person ever has said Every word that was ever written and every word that was ever read [Sometimes you make me feel so small Cant comprehend your size Yet Im a giant in your eyes. I cant control the scope But Im not losing hope] To summarise Every word that every person has ever said in their lives where each word implies enough MP3s to fill a terabyte hard drive Where each song is 10 times the number drives to the horizon that itd take to ride around the world each time you set eyes on one where each horizon is a head of hairs and every hair there is the length of a lifetime and each breath in that life is the price of mount everest made entirely by midas and that finally describes it, and its increasing in size So each time you listen to this song again itll be even more difficult to comprehend.$

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