How Blue LEDs Changed the World
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YouTubeBloomberg Originals
How Blue LEDs Changed the World
Not only are small, energy efficient LEDs used in almost every piece of modern electronics, they have the greatest potential impact on energy savings globally. But LEDs didn't have much use until the '90s, when Japanese scientists discovered the missing link needed to complete the color spectrum: The blue LED. Video by Robin Fall Like this ...
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This 4-pack of emergency lightbulbs is an essential addition to the home for grid down emergency back up lighting. They’re also great for camping, off grid living, and work great as flashlights. #prepperessentials #shtf #survivalist #emergencypreparedness #homelighting
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This 4-pack of emergency lightbulbs is an essential addition to the home for grid down emergency back up lighting. They’re also great for camping, off grid living, and work great as flashlights. #prepperessentials #shtf #survivalist #emergencypreparedness #homelighting
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