Placing them underwater means you get free, unlimited cooling. Exactly the oppos... | Hacker News

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		droopyEyelids 2 days ago \| parent \| context \| favorite \| on: xAI joins SpaceX Placing them underwater means you get free, unlimited cooling. Exactly the opposite of space, where all cooling must happen through radiation, which is expensive/inefficient

queenkjuul 5 hours ago [–]

It's not free cooling underwater, you still have to circulate the water and seal the components.

Makes far more sense to build on the beach than underwater, if all you want is unlimited sea water to pump around.

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