New Form Of Cotton Can Grab Nearly Three And A Half Times Its Own Weight Of Water Out Of Thin Air

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http://techcrunch.com – A new treatment applied to cotton called PNIPAAm can make the material absorb up to 340% of its own weight in water from misty air and then release it as temperatures heat up. This makes it ideal for gathering water in desert and mountain environments. By comparison, untreated cotton can absorb only 18% of its weight in water. Created by researchers at Eindhoven University of Technology and Hong Kong Polytechnic University, the coated cotton can grab water from misty air, store it, and then release it. The water remains pure and unadulterated by the cotton. The process is repeatable again and (IT news)