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.
Which one? The man can’t stop making videos about blue Christmas lights!
All of them! I like Veritasium though, not every video is a banger but this one definitely is