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- videos@lemmy.world
- cross-posted to:
- videos@lemmy.world
The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea.
The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea.
This video is recommended by Tournesol:
[33🌻] Veritasium: Why It Was Almost Impossible to Make the Blue LED
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