New engine uses the freezing cold of space to generate power at night
Science Daily
February 27, 2026
Engineers at UC Davis have built a remarkable device that creates power at night by tapping into something we rarely think about: the vast cold of outer space. Using a special type of Stirling engine, the system links the warmth of the ground to the freezing depths above us, generating mechanical energy simply from the natural temperature difference after sunset.
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Originally published on Science Daily on 2/27/2026