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(thelemmy.club)
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this post was submitted on 03 Apr 2026
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Science Memes
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The efficiency of any heat engine comes from the difference between hot and cold, you can't get useful work if the water's already boiled.
Unless you're talking about when water converts to steam, in which case it expands by over a thousand times its original size, and the expansion is what provides usable energy and not the temperature differentials.