- 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.
Gamma rays have so much energy that they are basically emitted only by nuclear processes, as far as I know.
Until we stick it in an led!
I guess past the uv range we should just call them ED, but then you only think about erectile dysfunction.