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Data centers may change but the physics of cooling doesn't.

It's more economical to run chips hotter but at the end of the day you'll still have heat that needs dissipating and it's hard if not impossible to beat evaporative cooling in terms of cost.

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This is like someone in 1800 saying “at the end of the day you still have transportation needs and it’s hard if not impossible to beat horses and carriages in terms of cost”.

Literally just do a google search. There are advancements every day that improve upon evaporative cooling to make it use less and less water and energy, and alternative methods other than evaporative cooling.

Bleeding-edge advancement and commercially-viable solutions are not apples to apples.

If there were then datacenters would use them ;) There must be a catch eh?

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