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 ...

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 ...

That trade-off means a lot of energy is needed to extract the absorbed water, which is typically achieved by heating the sorbents. Releasing water by physically compressing a sorbent is a “promising ...

During testing, the hydrogel — made with a moisture-absorbing salt and a polymer commonly found in diapers — produced up to two liters of drinking water a day. Stacey Leasca is an award-winning ...