It seems like such a simple thing
In: Technology
Most cooling systems work by evaporation – either open cycle (swamp cooler evaporating water) or closed cycle (air-conditioning unit evaporating freon) . Indeed the natural way humans cool is by evaporating their perspiration. You can make a simple swamp cooler by lying with a damp towel over you, but plumbing your bed into the aircon is a bit harder.
The other way to cool is using the Peltier effect but I don’t think we can do that with flexible materials (to make a bed cover) yet.
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