its my blog

Wednesday 20 July 2011

water crisis is over


Artificial leaf
An important step toward realizing the dream of an inexpensive and simple “artificial leaf,” a device to harness solar energy by splitting water molecules, has been accomplished by two separate teams of researchers at MIT
Scientists have created the world’s first practical artificial leaf that can turn sunlight and water into energy, which they claim could pave the way for a cheaper source of power.
A team at Massachusetts Institute of Technology (MIT) says that the artificial leaf from silicon, electronics and various catalysts which spur chemical reactions within the device,that can be used to  break water into hydrogen and oxygen which can then be used to create electricity in a separate fuel cell.
A practical artificial leaf has been one of the Holy Grails of science for decades. Placed in a gallon of water and left in sun, these artificial leaves could provide a home in the developing world with basic electricity for a day.One can envision villages in India and Africa not long from now purchasing an affordable basic power system based on this TECHNOLOGY.

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