Showing posts with label Physics. Show all posts
Showing posts with label Physics. Show all posts
Friday, November 8, 2024

Using a Photomultiplier THERMATRON to Detect Single Photons

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I've been a fan of Jeroen's YouTube channel for a while now.  He has a very nice approach, combining theoretical knowlege with pract...
Sunday, August 25, 2024

"Matter Waves" -- A 1961 Bell Labs Film

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I continue to mine the AT&T video archive .  Here's a really wonderful 1961 film showing how particles really are waves also.   The ...
5 comments:
Friday, August 9, 2024

How Big is a Photon? (Video)

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As I have mentioned in the podcast and in blog posts, I have a lot of trouble picturing HOW 20 meter photons somehow fly off my antenna.   I...
Sunday, July 14, 2024

Electromagnetic Waves -- Sir Lawrence Bragg -- Royal Institution (Video)

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This is a really wonderful video.  I especially liked his presentation on the nature of the EM spectrum, and his use of the centimeter waves...
5 comments:
Saturday, April 27, 2024

Cloud Chamber Finale

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  Today's aparatus (above).  Chamber is larger and I left the bottom sealed.  It sits directly atop a chunk of dry ice.  The spongeat th...
3 comments:
Wednesday, April 24, 2024

Big Success with Cloud Chamber

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  My Cloud Chamber It was time to take a break from building SSB transceivers.  I wanted to build something completely different.  I went wi...
4 comments:
Thursday, February 1, 2024

Wilson Cloud Chambers - I Want to Build One

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Wow, I've been wanting to build a Wilson Cloud Chamber for a long time, ever since I read about one back in the 1970s in C.L. Stong'...
Thursday, January 25, 2024

RIP Arno Penzias -- Co-discoverer of the Big Bang Cosmic Background Radiaton

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  Penzias on the right Here it the Penzias Obituary: https://www.npr.org/2024/01/24/1226572843/arno-penzias-obituary-big-bang-theory I think...
1 comment:
Monday, April 24, 2023

Four Old BBC Shows on Radio: Hams, Physics, and Antique Wireless

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The first one, about ham operators in general, is pretty depressing. Then it goes downhill as they shift to those who are listening to baby ...
2 comments:
Thursday, March 16, 2023

A Very Cool Video with NanoVNA, FFT, LC circuits, W2AEW, CuriousMarc, Back-to-Back 1N4148s, and String-Powered Gyroscopes

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Don't let the scary nuclear chemistry title put you off -- there is a LOT of very familiar homebrew stuff in this video.  You will feel ...
1 comment:
Wednesday, August 3, 2022

Can a Biologist Fix a Radio?

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  Andreas DL1AJG (who in real life is a professional biologist) sends us this excellent article about how biologists approach problems in li...
3 comments:
Sunday, July 10, 2022

A Truly Great Book: "From Atoms to Amperes" by F.A. Wilson (Free Download)

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  This is a really wonderful book.  I'm glad worldradiohistory.com has found a way to make it available as a free download.  This is the...
3 comments:
Thursday, June 16, 2022

Watch Mr. Wizard! 1952 Program on Electromagnetism. And more! (video)

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Wow.  This is a very thought provoking program.  It is kind of like "Mr. Roger's Neighborhood," but with science. The lessons ...
2 comments:
Thursday, February 17, 2022

How The Physics of Resonance Shapes Quantum Reality

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Here is an interesting article that appeared in Wired.  It will resonate with many SolderSmoke listeners! https://www.wired.com/story/how-th...
Thursday, December 9, 2021

Bluetooth, Winston Churchill, The Speed of Light, and a 1938 Zenith Receiver

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  Hello Bill - It has taken me a while to put hands on keyboard to send you this message, but having seen or heard a few more of your refere...
1 comment:
Friday, May 7, 2021

"Adventures in Electromagnetism" Video by Julius Sumner Miller

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This guy is quite a character, with a real knack for describing physics.  At the start of this video he says that these kinds of adventures ...
7 comments:
Monday, February 8, 2021

A Quantum Mechanics-based Receiver. The Rydberg Detector

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  Looks like you SDR guys are going to have to up your game!   https://phys.org/news/2021-02-quantum-entire-radio-frequency-spectrum.html?fb...
Tuesday, June 9, 2020

NanoVNA, Millen Dip Meter, Kilo-Megacycles, and Measuring the Speed of Light (Video)

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Yesterday my NanoVNA arrived.  This morning I was looking for info on how to use it and I found this really wonderful video from Joe Smith...
4 comments:
Wednesday, April 29, 2020

Applied Science -- Electrical Impedance Tutorials

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Part 1 appears above, Part 2 is below.  Ben Krasnow has a KNACK for explaining technical things.   I liked his videos on impedance.  At ...
Friday, March 27, 2020

Excellent Video on Maxwell's Equations

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Really well-done.  He gets to the essence without getting bogged down in the math. Great graphics too.