• Whelks_chance@lemmy.world
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    2 hours ago

    Right, this is essentially another form of battery. Maybe it’ll work out. It doesn’t require flooding an entire river valley somewhere, so that’s nice.

    • axx@slrpnk.net
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      1 hour ago

      Yes, we need to stop thinking “battery” and broaden to energy storage as a whole, which can take many more forms (wind up a big coil! Push things uphill!).