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A new approach to water desalination

MIT researchers are using graphene layers to create a new kind of filtration material that can be far more efficient and possibly less expensive than existing desalination systems. The details of this new technology are explained in a recent paper in the journal NanoLetters here. (The paper is also available in the password protected part
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Jarillo’s and Levitov’s groups demonstrate unusual thermoelectric response in graphene

— hanw; October 12th, 2011 |

  In research that has just been published in the journal Science, MIT researchers found that shining light on a sheet of graphene, treated so that it had two regions with different electrical properties, creates a temperature difference that, in turn, generates a current. Graphene heats inconsistently when illuminated by a laser, Jarillo-Herrero and his
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