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Thermoelectricity through infrared emissions: a new, vast energy source?

outer space

We know a thermoelectric generator produces electricity from temperature differences, and we know the earth is warm compared to outer space – does that mean we have a vast, untapped energy source? Physicists at the Harvard School of Engineering and Applied Sciences (SEAS) think so, and have proposed two different ways we could generate DC power by emitting infrared light into … [Read more...]

Is there a thermoelectric generator in your future?

Thermoelectric generator. Photo: Wikimedia

Imagine: you wake in the morning, light your wood stove, and place a kettle on it to boil. After a few minutes, when the water has boiled and you’ve fixed your tea, you reach down and plug your radio into the stove. How is this possible? Your stove has no moving parts…yet it can generate electricity from the heat of the fire. This may sound like science fiction, but … [Read more...]

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