Wednesday, 9 November 2011

Airdrop: Water from thin air

...Airdrop can harvest 11.5 millilitres of water for every cubic meter of air in the driest deserts such as the Negev in Israel, which has an average relative air humidity of 64 per cent. A small scale prototype Linacre installed at his parents' house created about a litre of water a day, but further iterations of the design are expected to increase the yield.

Rather than using complex, energy-intensive methods such as desalination or tapping into sacred underground water sources, Airdrop's source of water is abundant - the air - and so it can be used anywhere in the world.

It delivers the water to the roots of crops in dry areas by pushing air through a network of underground pipes, cooling it down to the point where water condenses. The water is then pumped to the roots of plants, which Linacre said was the most efficient irrigation method.


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