Engineers find the hydrogel polyethylene glycol (PEG) doubles its water absorption as temperatures climb from 25 to 50 C, and could be useful for passive cooling or water harvesting in warm climates.

The gel material is cheap to make, and a single kilogram can produce liters of water in seemingly dry conditions. Reading time 4 minutes As the world becomes increasingly hot, fresh and clean water is ...

RESEARCH TRIANGLE PARK, N.C. (July 13, 2020) – Providing clean water to Soldiers in the field and citizens around the world is essential, and yet one of the world’s greatest challenges. Now a new ...

The vast majority of absorbent materials will lose their ability to retain water as temperatures rise. This is why our skin starts to sweat and why plants dry out in the heat. Even materials that are ...