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Post
David Roberts
volts.wtf
did:plc:twjze4qqf6fgxz33ct52wlnl
Box of rocks! Er ... box of sand, I guess.
I love thermal storage. Such an underrated workhorse of decarbonization.
https://polarnightenergy.com/sand-battery/
2025-07-16T15:13:18.545Z