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Video: LED Traffic Lights 
Google Video | Sat, Nov 1
brLEDtronics announces 12inch 300mm Type 1 and Type 2 TrafficLED direct incandescent replacement lamps designed to accommodate preexisting traffic signal enclosures Using Indium Gallium Aluminum Phosphide InGaAlP and Indium Gallium Nitride InGaN Light Emitting Diode LED techn...
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Opinion: Hot Electric Metal Encased in a Sphere of Glass
Most of this does not concern me, or move me to object in any way to LED lightbulbs, as much as the thought of LED light itself, so alien, in my house. In wikipedia, we get a description, under the disadvantages of the problems of white LEDs that "spike at 460 nm and dip at 500 nm," causing objects...
Mon, Nov 30 | from Gizmodo
