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LED light bulbs didnít just pop up overnight, though it may seem like it. In fact, LEDs are a 100 year story in the making, starting in the early part of the 20th century as only a theory. Many dismissed the technology as too complicated or limited to ever have a useful application. Through the contributions of many scientists in many countries, LEDs evolved from being only useful as indicators on TV remotes to being able to light giant screens in Times Square. Check out this infographic, detailing the fascinating history of the LED light bulbs.

Via: Go Green LED Bulbs