Technology@lemmy.worldEnglish · 10 months ago

Why It Was Almost Impossible to Make the Blue LED

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Why It Was Almost Impossible to Make the Blue LED

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Technology@lemmy.worldEnglish · 10 months ago

201

cross-posted to:
[email protected]

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...

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

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9 months ago
I typed this on a folding screen, even!

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