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The guy who figured out how to make a blue LED (which was world changing), also worked every single day. Fascinating story: https://www.youtube.com/watch?v=AF8
by Eddy_Viscosity2 7mo ago
The guy who figured out how to make a blue LED (which was world changing), also worked every single day.
Fascinating story:
https://www.youtube.com/watch?v=AF8d72mA41M https://www.youtube.com/watch?v=AF8d72mA41M