The Physics of the Blue LED (and the Nobel Prize Awarded for its Achievement)

Sixty Symbols explain the physics behind how the blue LED came into being – every time I see a high-brightness blue LED I give a momentary thought to how incredible it is that blue LEDs have only been a thing in our world for ~24 years (they’re so young!).

Watch:

(For much longer viewing you can watch Shuji Nakamura give a 20+ minute presentation on Light for a Better World: A Celebration of U.S. Innovation – available here.)