Thursday, November 30, 2006

Water from thin air

Saw this in Sumankumar's blog (
"A company that developed technology capable of creating water out of thin air nearly anywhere in the world is now under contract to nourish U.S. soldiers serving in Iraq.

The water-harvesting technology was originally the brainchild of the Pentagon's Defense Advanced Research Projects Agency, which sought ways to ensure sustainable water supplies for U.S. combat troops deployed in arid regions like Iraq.

"The program focused on creating water from the atmosphere using low-energy systems that could reduce the overall logistics burden for deployed forces and provide potable water within the reach of the war fighter any place, any time," said Darpa spokeswoman Jan Walker.

To achieve this end, Darpa gave millions to research companies like LexCarb and Sciperio to create a contraption that could capture water in the Mesopotamian desert.

But it was another company, Aqua Sciences, that developed a product on its own and was first to put a product on the market that can operate in harsh climates.

"People have been trying to figure out how to do this for years, and we just came out of left field in response to Darpa," said Abe Sher, chief executive officer of Aqua Sciences. "The atmosphere is a river full of water, even in the desert. It won't work absolutely everywhere, but it works virtually everywhere.""

Could this be some sort of fog catching technology? Later part of the article says that the technique needs at least 14 perecent humidity.

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