- cross-posted to:
- science@lemmy.world
- videos@lemmy.world
- tecnologia@feddit.cl
- cross-posted to:
- science@lemmy.world
- videos@lemmy.world
- tecnologia@feddit.cl
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.
Wow, thank you for sharing that.