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Old 06-04-2018, 12:12 AM   #1964 (permalink)
freebeard
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I like the ARES gravity rail electric storage solution. Diesel electric trains are well known for decades... Adoption and build out ... of a complete electric rail system should be very high on the list.
https://en.wikipedia.org/wiki/Rack_railway

For household use, maybe a rack of weight-lifters weights on a flagpole, with pulleys.

Hydro = Salmon cannon
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