- cross-posted to:
- science@lemmy.world
- videos@lemmy.world
- videos@hexbear.net
- cross-posted to:
- science@lemmy.world
- videos@lemmy.world
- videos@hexbear.net
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.
same position can’t watch the video; it was very useful thank you! scrolled forever looking for this, exactly what I was after.