Bok
07-16-2012, 08:44 AM
The earth harbors about 1.4 billion cubic kilometers of water . Unfortunately, the vast majority of that water comes from the sea and is not potable unless treated by expensive, energy-hungry desalination plants . Those problems stem largely from inefficiency in the way salt ions are separated from water molecules, and the solution, says a team of materials scientists from the Massachusetts Institute of Technology, lies in fundamentally revising that process. [More] (http://www.scientificamerican.com/article.cfm?id=graphene-desalination-water-crisis)
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