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Cake day: July 26th, 2023

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  • Nobody will remove water from ambient air in relevant amounts. Roughly 0.5 % of air is water vapor, a total of something like 10’000 km³ liquid water. This is replaced (residence time) about once every 10 days, so roughly 1’000 km³ daily.

    Say we extract 10 km³ (10’000’000 m³) daily, enough for roughly 10 million people (including all industry, zero recycling of the water etc.). By that time you deal with 1 % of earths atmosphere every day. May I remind everyone how absurdly costly in any conceivable way that would be? You would rather lay a few pipes and purify sea water at a tiny(!) fraction of the cost.



  • We could use it to detect common markers in human health, to sort through our landfills for recyclables, or predict weather to optimise crop yields — but of course that’s not where we’re directing our efforts.

    What do you mean? All of these things are already happening. For the landfill it happens prior to the landfill. Why should I continue to read past this point?