Kathy Loves Physics & History | David Sarnoff, Howard Armstrong & the Superheterodyne Receiver @Kathy_Loves_Physics | Uploaded July 2018 | Updated October 2024, 5 days ago.
What is the superheterodyne method and how did it usher in the era of broadcast radio? This is the story of Howard Armstrong who invented the superhet receiver in a WW1 bombing raid and David Sarnoff who fought his way from poverty to controlling an empire. Check it out!
Also, if you want to see some amazing pictures of Armstrong and his history check out users.erols.com/oldradio
Armstrong/WJZ photos from the Harry Houck Collection or Columbia University's Armstrong Collection
Finally, as usual, the music is from the fabulous Kim Nalley
What is the superheterodyne method and how did it usher in the era of broadcast radio? This is the story of Howard Armstrong who invented the superhet receiver in a WW1 bombing raid and David Sarnoff who fought his way from poverty to controlling an empire. Check it out!
Also, if you want to see some amazing pictures of Armstrong and his history check out users.erols.com/oldradio
Armstrong/WJZ photos from the Harry Houck Collection or Columbia University's Armstrong Collection
Finally, as usual, the music is from the fabulous Kim Nalley
![Radioactivity: Etymology/History and Physics [CC]](https://i.ytimg.com/vi/7v5bYFv6Cfk/hqdefault.jpg "Radioactivity: Etymology/History and Physics [CC]
Marie Curie named Polonium radio-active in 1898, but why and why did anyone listen to a shy Polish immigrant who was also (shock) a woman? I use primary sources to describe why she discovered so much and why she was so influential. Ready? Lets go!
My Patreon Page:
https://www.patreon.com/user?u=15291200
The music is from the fabulous Kim Nalley and find her at kimnalley.com
If you would like to read the original newspaper report about x-rays translated into English check it out here:
https://kathylovesphysics.com/2018/10/18/a-sensational-discovery-die-presse-january-5-1896-first-newspaper-article-on-the-x-ray/")
![Bohr Model: A Delightful History [CC]](https://i.ytimg.com/vi/8IIg4Qt_qv4/hqdefault.jpg "Bohr Model: A Delightful History [CC]
How did 27-yr-old Niels Bohr make a model of the atom that was so audacious even Einstein admitted it he did not dare publish them? This is a story of dorky physics jokes, a truly supportive marriage, a useful conversation and a brilliant maid. Ready? Lets go!
My Patreon Page:
https://www.patreon.com/user?u=15291200
The music is from the fabulous Kim Nalley and find her at kimnalley.com
Some Links
How JJ Thomson Discovered the electron: https://youtu.be/n3c77C-69wg
Marie Curie and Radium: https://youtu.be/64q1R56hFjY
Ernest Rutherford Biography (and how he discovered Alpha and Beta radiation): https://youtu.be/IVngNa_mAaw
Rutherford and the discovery of the Nucleus: https://youtu.be/eoorE5nEQQg
The discovery of spectroscopy: https://youtu.be/TFP55200MPY
Max Plancks Quantum theory: https://youtu.be/uMUi3o78qgQ
Albert Einsteins View of Light: https://youtu.be/BiPEY99w8Lo
Einstein and the Solvay Conference: https://youtu.be/ueqVVa4iA24")
