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  1. LED Sign
    Install
  2. Garage
    Stop Sign
  3. Outdoor
    LED Signs
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    LED Sign
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How Blue LEDs Changed the World
5:34
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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Stop Sign Pranks
Stop signs mean come to a complete stop
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Stop signs mean come to a complete stop
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