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A comment on Stacking concrete blocks is a surprisingly efficient way to store energy. Parent comment

Re:Stacking concrete blocks is a surprisingly efficient way ... by canam on Sunday August 19, 2018 @09:25AM (#17794207)
Or maybe one block per house. Solar raises it though the day, generates electricity at night as it lowers. No grid required.
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Re:Stacking concrete blocks is a surprisingly efficient way ... by jondubois on Sunday August 19, 2018 @11:20AM (#17794598)
Nice, that sounds even better.
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