Ever wonder how efficient a candle is at producing light? The answer can be found here. In this image Nextreme Thermal Solutions is using a new thermoelectric material that can convert some of the heat from a candle into electricity. That electricity is then run through an LED. The LED and the candle combined put off more light than two candles would.
Mostly, this is a story about how efficient LEDs are (and candles aren't), but it also points out that thermo-electric materials can produce useful energy. Imagine a bunch of these lining the cooling pipes of a power plant, picking up extra energy where it would otherwise be lost.
But what I really want to know is, how many LEDs can you power with the heat from an incandescent light bulb...
written by Martin, January 07, 2009
written by Dana, January 15, 2009
written by LED Lighting, February 10, 2009
written by harry, September 01, 2009
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