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.
I remember reading about this stuff since the eighties and people had a pretty clear idea of the implications.
Well now the digital screen is everywhere, it bends, and some people strap it to their eyes. It’s crazy how far it’s come
I typed this on a folding screen, even!