The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea. Head to https://brilliant.org/veritasium to start your free 30-da...
The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea.
Here’s an Odyssey link too:
https://odysee.com/@veritasium:f/why-it-was-almost-impossible-to-make-the:9
Here’s the lbry link to that Odysee link:
lbry://why-it-was-almost-impossible-to-make-the#9