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Herald Haas

Light Bulbs Could be the New Wi-Fi

September 30, 2012

German physicist Herald Haas attached a special microchip to an LED light bulb and voila! he’s created a potentially marketable VLC (Visible Light Communication) device!  (I’m sure that description seriously simplified the process) So, what’s VLC? In order to save energy, LED bulbs flicker many times per second — so fast that one doesn’t notice.  [...]

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