Whirling_Cloudburst@lemmy.world to

Technology@lemmy.worldEnglish · 1 year 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_Cloudburst@lemmy.world to

Technology@lemmy.worldEnglish · 1 year ago

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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Agent641@lemmy.world
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1 year ago
Making blue LEDs is easy. Just make a red one, then move towards it really fast.

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