Easy as in moving mass against a gravitational potential? Didn't know building a... | Hacker News

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		11101010001100 on July 5, 2023 \| parent \| context \| favorite \| on: Why is desalination so difficult? Easy as in moving mass against a gravitational potential? Didn't know building a rocket was easy.

WJW on July 5, 2023 [–]

Moving water against a gravitational potential has been done for literal millennia and no rocketry is required. A water pump will suffice.

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