- cross-posted to:
- science@lemmy.world
- engineeringporn@lemmit.online
- cross-posted to:
- science@lemmy.world
- engineeringporn@lemmit.online
The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea.
The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea.
Seen it, its well made and the end is almost like a good cliffhanger for the next Vid