Researchers from UT Austin made a hydrogel from food scraps and other biomass that can pull 14+ liters of drinkable water from air per kg per day. This could be a massive help in bringing clean water to off-grid communities. www.sciencedaily.com/releases/202...
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Discarded food scraps, stray branches, seashells and many other natural materials are key ingredients in a system that can pull drinkable water out of thin air developed by researchers.