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CoolYoutubeVideo t1_j21uibj wrote

Reply to comment by momo_0 in UIUC Researchers propose a new way to get fresh water from seawater, without the disadvantages of traditional desalination. They say that a vertical “capture surface” that is 210 m wide and 100 m tall, could extract enough vapor floating above warm oceans to supply 500,000 people with freshwater by lughnasadh

The vapor pressure of liquids basically means that for a given pressure, temperature, etc., the liquid will produce a certain amount of vapor. The vapor will replenish itself naturally by evaporation

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