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

  • downhomechunk
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    1111 months ago

    I didn’t watch this, but i bet technology connections video about blue Christmas lights is more entertaining!

    • @Leviathan
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      1311 months ago

      Which one? The man can’t stop making videos about blue Christmas lights!

      • @Zanshi
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        811 months ago

        All of them! I like Veritasium though, not every video is a banger but this one definitely is