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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...
Via GreenTechMedia
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written by Martin, January 07, 2009
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written by Mary, January 14, 2009
I make beeswax candles and in the dark months we use them to light our evening dinner table - thus saving electricity. The heat isn't wasted though, we find that the candles give us enough heat to be able to turn off the gas fire.
There's another benefit to candle light - it's flattering. As much as I like LEDs the light is harder and does nothing to enhance a romantic mood!
Mary
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written by Dana, January 15, 2009
Dana
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written by LED Lighting, February 10, 2009
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written by harry, September 01, 2009
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