Light bulbs have always required more electricity than they need to produce light because the energy conversion process—changing electricity to light—was inefficient. But an MIT research team has just shown that an LED can actually give off more light than what it consumes in electricity.
More » Source: http://feeds.gawker.com/~r/gizmodo/full/~3/-QwGQcTdWV4/scientists-create-230+percent-efficient-led-bulbs
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