German scientists made a sponge-like material that pulls drinking water from air as dry as 18% humidity, producing up to 1.8 litres per kg each day

Researchers at Kiel University in Germany have developed a highly porous material that can pull drinking water directly out of dry air, offering a possible lifeline for regions where rainfall is becoming less reliable. The material, known as CAU-10-H, behaves like a sponge, absorbing water vapour from the atmosphere and releasing it again as liquid water.

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