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But the power generated from the moving water will always be less than the extra power to pump through turbans, etc. That's just grade school thermodynamics.

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I was probably late coming in from recess when they covered that in grade school. But assuming you have to pump the water anyway, is there a method that would allow you to capture some of that spent energy for other purposes? It was just a thought. . .

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Well, how about this:

Employ atomic power plants to produce electricity.

With an efficient means of using the waste heat for desalination.

High temperature heat is happy to flow into cold water.

And obviously, there is electric power to pump the fresh water.

Wonderful employment for so many trades, professions.

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