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

  • SatansMaggotyCumFart@lemmy.worldEnglish
    5·
    10 months ago

    X-rays use invisible electromagnetic energy beams to produce images of internal tissues, bones, and organs on film or digital media.

    Good advice, but I put a Kleenex in my urethra for safekeeping and I’d love to track it down to get it out again.