• Alcoholicorn@mander.xyz
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      2 days ago

      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.

      • bizarroland@lemmy.world
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        2 days ago

        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.