Chinobi writes: Di Gao, an assistant professor at the Department of Chemical and Petroleum Engineering in the Swanson School of Engineering has developed a method of separating oil from water within just seconds using a cotton cloth coated in a chemical polymer that makes it both hydrophilic (it bonds with the hydrogen molecules in water) and oleophobic (oil repellant), making it absolutely perfect for blocking oil and letting water pass through. Gao tested his filter successfully on Gulf Oil water and has an impressive video to show it. Check it out here.
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