'Super sand' could improve water filtration
Ordinary sand, such as that from beaches, could be used to filter dirty water using a nanotech-based technique developed by a team of scientists in Australia and the U.S.
Source: http://www.cosmosmagazine.com/news/4504/super-sand-could-improve-water-filtration
Alecia Elliott Alessandra Ambrosio Alexis Bledel Ali Campoverdi Ali Larter Alice Dodd Alicia Keys