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There was a project to carve a huge cylinder, kilometers wide, out of bedrock and raise and lower it with hydraulics. You could keep whatever's on top mostly in
by Gravityloss 8y ago
There was a project to carve a huge cylinder, kilometers wide, out of bedrock and raise and lower it with hydraulics. You could keep whatever's on top mostly intact. I don't know what's the latest status.
- markvdb 8y agohttp://www.authorstream.com/Presentation/heindl-958931-hydraulic-energy-store-system/ http://www.authorstream.com/Presentation/heindl-958931-hydra...