Why It Was Almost Impossible to Make the Blue LED
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The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea. Head to https://brilliant.org/veritasium to start your free 30-da...
  • BZ 🇨🇦@lemm.ee
    3·
    2 years ago

    Didn’t think I would watch a half hour video about LEDs, but that was really well presented. Couldn’t stop 😂