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A comment on Giant 'sand battery' holds a week's heat for a whole town. Parent comment

Re:Giant 'sand battery' holds a week's heat for a whole town by AnthonyMouse on Thursday March 14, 2024 @05:08AM (#39701752)
But then why put it in the house and not e.g. in the ground?
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Re:Giant 'sand battery' holds a week's heat for a whole town by mkesper on Thursday March 14, 2024 @09:10AM (#39703518)
1. Not possible everywhere 2. Probably more expensive
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