There may not be much water on the ground in arid parts of the world, but there still is some water vapor that can be drawn from the air. While so-called "fog nets" provide one way of doing so, scientists have now created a higher-tech alternative – it's a device that incorporates a salty hydrogel.
.. Continue Reading Device uses salty hydrogel to pull drinking water from the airCategory: Materials
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from New Atlas (Gizmag) https://ift.tt/2DP4Fk7
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