Veritasium S15 E3 - Why it was almost impossible to make the Blue LEDmovie

Veritasium S15 E3 - Why it was almost impossible to make the Blue LED

8.5

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

Creator	Derek Muller
Actor	Derek Muller
Country	Australia, Canada, Norway, United States of America
Production	YouTube

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Why it was almost impossible to make the Blue LED

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