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@stuartl @riverpunk @glyph Physicists use joules. They are more appropriate in almost all applications.

The business side of power delivery uses watt-hours because it makes the billing calculations much easier and more intuitive.

@riverpunk @RichiH @bornach @GroupNebula563 @glyph Pretty much. You could run it without evaporation, but that would mean higher energy use. Evaporating water is just the most cost-effective means of cooling in warmer climate, unless you have a convenient river next door.

It's exactly the same equipment as in a power station cooling tower. Just scaled down.

@bornach @RichiH @GroupNebula563 @glyph Using seawater as your heat dump would actually work pretty well. Except there isn't any nearby. Coastal land is at a price premium, and data centers are built where land is cheap, usually on the outskirts of towns or cities. Even if you built one near the coast, tapping large quantities of seawater and returning it warmer would mean environmental review and permitting, and in the rush to ride the bandwagon there is no time to wait for such things.