palec čarodějnice Očekávání blue led obchodník Hltan Domýšlivý
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Nobel Shocker: RCA Had the First Blue LED in 1972 - IEEE Spectrum
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Why Blue LED Earned a Nobel Prize if Reds and Greens Already Existed for Decades? | by Anna Ned | Predict | Medium
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How Blue LEDs Work, and Why They Deserve the Physics Nobel | NOVA | PBS
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His Blue LEDs Changed How We Light Our World - IEEE Spectrum
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How Blue LEDs Affect Sleep | Live Science
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