Stories about: light concentration

LEDs Channel Light Exactly Where Needed Light emitting diodes, or LEDs, are amongst the most efficient light sources ever developed. In terms of energy efficiency, light emitting diodes are capable of producing the optical output of an incandescent light bulb, by consuming one hundred times less energy. The problem is that LEDs can't compete with inca...	14 May 2008 10:35 GMT

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LEDs Channel Light Exactly Where Needed