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submitted 1 month ago* (last edited 1 month ago) by [email protected] to c/[email protected]

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To make solar power viable, we need a solution for overnight energy storage.

Batteries are complicated.

Do you know what isn't? Water go up. stonks-up

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[–] [email protected] 15 points 1 month ago* (last edited 1 month ago) (1 children)

What makes sand so great? Water has five times the specific heat capacity.

Edit: OH I see, the sand goes through a phase change. That involves a lot of energy, yeah.