Salty hydrogel sucks liters of drinking water a day out of thin air
A shortage of drinking water is a key problem in many parts of the world, and it’s a cruel irony that huge amounts are floating around in the air, inaccessible. Researchers at the University of Texas at Austin have now developed a salty hydrogel that c… Continue reading Salty hydrogel sucks liters of drinking water a day out of thin air