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New tech harvests drinking water from (relatively) dry air using only sunlight

A new device the size of a coffee mug can generate drinkable water from desert air using nothing but sunlight.

“With this device, you can harvest the equivalent of a Coke can’s worth of water in an hour,” says cocreator Omar Yaghi, a chemist at the University of California, Berkeley. “That’s about how much water a person needs to survive in the desert.”

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