@cmuratori That's awesome. I've heard about copper pipes surrounding drain pipes to capture heat from hot water from showers and what not
@sssmcgrath Was talking to an architect last night, and apparently people actually are trying to do the pump-water-and-spin-turbines thing.
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@sssmcgrath They are apparently also working on just "heavy trains" that get ratcheted up a track during the day... - Show replies
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