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You are super confident a thing that exists can't exist https://en.wikipedia.org/wiki/Air_well_(condenser) https://en.wikipedia.org/wiki/Air_well_(condenser)

by smus 1y ago

You are super confident a thing that exists can't exist https://en.wikipedia.org/wiki/Air_well_(condenser) https://en.wikipedia.org/wiki/Air_well_(condenser) Check out the passive section of the above

kortilla 1y ago
Those depend on energy differentials so the sun is the external heat source.