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autoexecbat
on April 4, 2024
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US Government funds pilot project for heated sand ...
> There are air conditioning systems that are powered by heat, not by electricity.
How does that work?
xkcd-sucks
on April 4, 2024
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https://en.wikipedia.org/wiki/Absorption_refrigerator
quickthrowman
on April 5, 2024
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Either absorption refrigeration or a steam turbine that compresses the working fluid.
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