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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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Ban WiFi in Public Areas?

May 25, 2008

That’s just what a Santa Fe group wants: the ban of WiFi service in public facilities like the library, city hall, and eventually stores.  They claim that since some people have real allergies to certain electrical fields (“electro-smog”), like those emitted by WiFi and cellphones, keeping WiFi in public areas risks discrimination in a way that violates of the Americans [...]

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