Nighttime power from space: a Stirling engine harvests ambient cold
TL;DR Summary
UC Davis researchers built a compact Stirling engine that generates mechanical power at night by pairing warmth from the ground with the cold of space via a radiating panel, delivering about 400 milliwatts per square meter and showing potential for ventilating buildings or greenhouses without fuel.
Topics:science#ambient-radiation#nighttime-power#renewable-energy#space-cold#stirling-engine#technology
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