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The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea.

  • JATth@lemmy.worldEnglish
    1·
    5 months ago

    Gamma rays have so much energy that they are basically emitted only by nuclear processes, as far as I know.

    • ColeSloth@discuss.tchncs.deEnglish
      1·
      5 months ago

      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.