A new renewable energy source? Device captures energy from Earth's infrared emissions to outer space -- ScienceDailyQuicklink submitted by Daniel Geery Permalink
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|When the sun sets on a remote desert outpost and solar panels shut down, what energy source will provide power through the night? A battery, perhaps, or an old diesel generator? Perhaps something strange and new. Scientists now envision a device that would harvest energy from Earth's infrared emissions into outer space. Heated by the sun, our planet is warm compared to the frigid vacuum beyond. Thanks to recent technological advances, the researchers say, that heat imbalance could soon be transformed into direct-current (DC) power, taking advantage of a vast and untapped energy source. [I can't help but imagine, on a regular basis, what would happen if we had the wisdom to use science to our advantage, and devote finances to sensible pursuits--eliminating war for a starter. DG]|
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