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There do exist "evaporative coolers", sometimes called "swamp coolers". The trick is that they require water and raise the humidity of their surroundings. But t
by Borealid 13d ago
There do exist "evaporative coolers", sometimes called "swamp coolers". The trick is that they require water and raise the humidity of their surroundings. But they tick all the boxes you listed - plenty of delta-t, extremely low power, no external tubes or parts.
It's not magic because it relies on the "fuel" of cool water to evaporate.
- Spare_account 13d agoI'm not the same guy but I can verify that the advert for the impossible micro-evaporative cooler quoted impossible performance capabilities. YouTube adverts frequently contain fraudulent, misleading information. It appears that no law is being broken.
- Borealid 12d agoI can believe that, I'm just here to point out that some of the laws being not-broken are the laws of thermodnamics. You can cool a room cheaply with dry ice, for instance. There are tricks.
- Dylan16807 12d agoI get what you're saying, that it's "thermodynamics violation OR trick". But if you're checking whether the ad is lying at face value, you exclude tricks like dry ice or precooling.
- thinkthatover 12d agoalso known as an olla pot!