The Amp Hour

A full 3 hour discussion with the legendary Lee Felsenstein, designer of the Osborne 1, SOL computer, VDM-1, Pennywhistle modem, and the inventor of social media. Covering everything from the Berkeley free speech movement, the counterculture movement, his career, through to Obsorne and how he invented social media with Community Memory. His book: https://www.amazon.com/Me-My-Big-Idea... https://felsensigns.com/ 00:00 - Full 3 hour talk with Lee Felsenstein 08:24 - University of California at Berkeley, and the Free Speech Movement. 29:04 - First Junior Engineer job at Ampex 36:20 - The first hackathons with Richard Greenblatt 37:33 - Hackers, Heros of the computer revolution 1:03:36 - Techical career at Ampex 1:12:52 - Atari Computers and Steve Jobs, Nolan Bushnall, and Allan Alcorn 1:15:00 - He tried to pitch social media to Steve Jobs 1:22:15 - Designing the Pennywhistle 103 modem + 1:25:36 - Marty Spergel selling kits 1:31:53 - Steve Wozniak and how the Apple 1 is NOT a personal computer 1:43:42 - Osborne Computers 1:53:22 - Osborne 1 physical design 1:57:57 - Osborne 1 development timeline 2:01:19 - The Osborne Effect wasn't what killed the company

Dan Esparon from Inovor Technologies in South Australia joins Dave to discuss all about designing and launching satellites!

Kathy Joseph from Kathy Loves Physics joins Dave on The Amp Hour to discuss history and physics and we end up discussing the intricate history of the development of the Cathode Ray Tube. Read Kathy's Book The Lightning Tamers: https://tinyurl.com/TheLightningTamers https://www.youtube.com/@UCYrX5FiWjiPd0JytMh6NX1Q Forum: https://www.eevblog.com/forum/blog/eevblog-1577-history-of-cathode-ray-tubes-with-kathy-joseph/ 00:00 - Kathy Loves Physics 02:45 - Philo Farnsworth, the farmboy who invented television 10:00 - Professor Julius Plucker & Heinrich Ruhmkorff 11:13 - Heinrich Geissler and Geissler tubes 14:28 - Johann Wilhelm Hittorf 16:15 - William Crookes and the Crookes Radiometer 20:00 - Heinrich Hertz 25:00 - Scintillating Scotoma 27:00 - Philipp Lenard 31:25 - Wilhelm Rontgen 38:45 - Mihajlo Pupin 44:00 - Francis Perrin 49:10 - Henri Becquerel 55:39 - Curie Piezoelectric Quartz Balance Electrometer 1:07:46 - Philco & Bob Pease 1:08:44 - Vladimir Zworykin 1:15:12 - Free Energy & Debunking https://en.wikipedia.org/wiki/Philo_Farnsworth https://en.wikipedia.org/wiki/Julius_Pl%C3%BCcker https://en.wikipedia.org/wiki/Heinrich_Daniel_Ruhmkorff https://en.wikipedia.org/wiki/Heinrich_Gei%C3%9Fler https://en.wikipedia.org/wiki/Johann_Wilhelm_Hittorf https://en.wikipedia.org/wiki/William_Crookes https://en.wikipedia.org/wiki/Crookes_radiometer https://en.wikipedia.org/wiki/Heinrich_Hertz https://en.wikipedia.org/wiki/Philipp_Lenard https://en.wikipedia.org/wiki/Francis_Perrin_(physicist) https://en.wikipedia.org/wiki/Henri_Becquerel https://en.wikipedia.org/wiki/Vladimir_K._Zworykin https://en.wikipedia.org/wiki/Mihajlo_Pupin https://en.wikipedia.org/wiki/Wilhelm_R%C3%B6ntgen https://en.wikipedia.org/wiki/Philco

Dave hangs out with Fran Blanche for her 4th appearance on the show. Space, Youtubing, tube testing, storage nightmares, and oopsies.

Dave and Ian Scott Johnston discuss the PDVS2mini DC Voltage Calibrator Source, production, China, CERN, ebay reselling, test gear, pick and place machines, assembly, automated test systems, and Youtube repair videos. https://www.youtube.com/@UCtiK8QrcCrsjDXpKzB1PO1A https://www.ianjohnston.com/

Fellow Aussie Toby Robb joins Dave to discuss everything related to mains power generation and transmission and his role as a linesman. Ask Toby a question here: https://www.eevblog.com/forum/amphour/im-linesman-and-electrical-fitter-in-powerline-distribution-in-australia-ama/