cross-posted from: https://feddit.nl/post/19798927

Sure, the whole world is on fire right now, but there are also little things to be upset about. ☝😉

  • PM_Your_Nudes_Please@lemmy.world
    12·
    27 days ago

    Yeah, the history of the blue LED is actually really interesting. It basically exists because one Japanese dude refused to take no for an answer, and continued working on developing them even after his company stopped funding his LED project.