'No-water' hydropower turns England's hills into green and pleasant batteries

Bernie Ecclestoned@sh.itjust.works to Technology@lemmy.world – 190 points –
'No-water' hydropower turns England's hills into green and pleasant batteries
rechargenews.com
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It's just good ol' fashioned mercury.

The article claims it's 2.5x as dense as water, which according to this density chart is probably bromine.

I actually bet it's just very very fine stonedust and water in suspension.

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