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submitted 2 years ago by Whirling_Cloudburst@lemmy.world to c/technology@lemmy.world

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

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[–] pedestrian@links.hackliberty.org 4 points 2 years ago (1 child)

Yes - I didn't have time to watch the video and wanted a text summary. Thought others might find it useful

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[–] cornflaku@lemmy.world 2 points 2 years ago

same position can't watch the video; it was very useful thank you! scrolled forever looking for this, exactly what I was after.

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