New engine uses the freezing cold of space to generate power at night

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.

from Latest Science News -- ScienceDaily https://ift.tt/SwxEpTD

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