RT @mattsteinglass: Cool. Old idea: Store wind energy by pumping water uphill, then let it flow downhill when energy needed. But Holland is… 0 atbildes
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Jānis Patmalnieks (2018-09-15 13:46:39) |
RT @mattsteinglass: Cool. Old idea: Store wind energy by pumping water uphill, then let it flow downhill when energy needed. But Holland is… | |