A more efficient way to turn saltwater into drinking water
(PHYSorg.com Nanotechnology)

Water scarcity is a major problem across the world. `It affects every continent,` says Amir Barati Farimani, an assistant professor of mechanical engineering at Carnegie Mellon University. `Four billion people live under conditions of severe water scarcity at least one month of the year. Half a billion people live under severe water scarcity all year.`