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submitted 1 day ago* (last edited 1 day ago) by Yuritopiaposadism@hexbear.net to c/technology@hexbear.net
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[-] stink@hexbear.net 2 points 1 hour ago

Also for things like heating a home at night, those sand batteries can store heat from excess electricity generated and you can pump it to entire neighborhoods.

this post was submitted on 07 Jun 2026
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