▲ 938 ▼ Why It Was Almost Impossible to Make the Blue LED (youtu.be) submitted 2 years ago by Whirling_Cloudburst@lemmy.world to c/technology@lemmy.world 200 comments fedilink hide all child comments The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea.
[–] Kbobabob@lemmy.world 3 points 2 years ago I try to be. Being real in this world is kind of a drag. permalink fedilink source parent