For that to work, each successive layer will need to remain cool enough for wate... | Hacker News

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		ppf on July 2, 2021 \| parent \| context \| favorite \| on: Simple, solar-powered water desalination (2020) For that to work, each successive layer will need to remain cool enough for water to condense on it.

Retric on July 2, 2021 [–]

It’s due to changes in pressure. https://upload.wikimedia.org/wikipedia/commons/thumb/3/33/Ph...

At 5ATM water condenses at a higher temperature than it boils at 4ATM.

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