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A Gunrun Project


Advert turns air into drinking water

March 22, 2013
BBC

“A billboard that produces drinking water from air,” says the billboard up high. And it does what it says on the tin: so far, the billboard has produced over 9,000 litres of drinking water – 96 litres a day.
The internal system costs some US$1,200 (£790) to set up.