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Why Blue LEDs Took 30 Years To Create 🤔 credit to : [@veritasium]
The Light That Was "Impossible" For 30 Years! 🟦💡 In the 1960s, we had Red. We had Green. But the world was stuck in a "color gap" for three decades. Why? Because the Blue LED was a scientific nightmare. Scientists called it the "Holy Grail" of electronics. To create it, Shuji Nakamura and his team had to master a chemical reaction ...
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