Why It Was Almost Impossible to Make the Blue LED
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Why it's on BrighterTube
Hand-picked by a BrighterTube curator · found via HackerTube (Karpathy's dataset of videos Hacker News recommends · 90% confidenceA well-researched story of a genuine engineering breakthrough that explains the underlying semiconductor problems clearly.
What you'll learn
How Shuji Nakamura overcame material-science dead ends to make the first bright blue LED.
Video by Veritasium, played through YouTube's embedded player.