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Started by Probeman, February 09, 2024, 02:04:58 PM

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Probeman

February 09, 2024, 02:04:58 PM
Here's a wonderful video on the Veritasium YouTube channel of how the blue LED was invented and also an excellent explanation of band gaps:

https://www.youtube.com/watch?v=AF8d72mA41M&ab_channel=Veritasium
The only stupid question is the one not asked!

Probeman

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April 18, 2025, 06:58:03 PM Last Edit: April 18, 2025, 08:01:50 PM by Probeman
A nice introduction to the history of electron microscopes:

https://www.youtube.com/watch?v=88bMVbx1dzM

Which answers the question: "What if you just keep zooming in?"
The only stupid question is the one not asked!
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