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Why Making the Blue LED Was Almost Impossible
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The Invention of the Blue LED by Shuji Nakamura
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TikToktyl3rfr2
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Swapping out LED bulbs for zero-blue-light amber bulbs is one of the best things I’ve done for my sleep, and it doesn’t cost much. Most LEDs have a massive spike of blue light and virtually no red light. That blue light tells your brain it’s midday, no matter what time it actually is. Low blue light bulbs shift the spectrum toward red, signaling to your body that it’s time to wind down without spiking your cortisol Once you make the swap you will never go back!
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TikTokholisticnicola
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Reduce Stress with Low-Flicker LED Lighting
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TikTokcris__andrew
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Why Blue LEDs Took 30 Years To Create 🤔 credit to : [@veritasium]
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