Technology@lemmy.world

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Whirling_CloudbursttoTechnology@lemmy.worldEnglish·8 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

Whirling_CloudbursttoTechnology@lemmy.worldEnglish·8 months ago

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.

arinEnglish
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8 months ago
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I just layer on masking tape until it’s dim enough, usually 2 layers