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A comment on Hawaii First to Harness Deep-Ocean Temperatures for Power. Parent comment

Re:Hawaii First to Harness Deep-Ocean Temperatures for Power by stmfreak on Saturday September 05, 2015 @02:46AM (#10174151)
From evacuating the water at the top of the pipe.
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Re:Hawaii First to Harness Deep-Ocean Temperatures for Power by colordrops on Saturday September 05, 2015 @03:39AM (#10174218)
How does that differ from standard run-of-the-mill pumping?

Edit: ok, I get it, there's no suction, just removal of the water, and the pressure of the ocean pushes it back up to sea level.

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