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"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 panel traps humidity in the air and transforms it into water. It's that simple," said Jessica Ruas, a spokesperson from the university.
Originally posted by Theflyingweldsman
Why don't they do this all over the world?
reply to post by Aleister
You have the heart of a humanitarian