The material at the heart of this technology is a blend of wood, lithium chloride, and a solar-absorbing surface made of carbon nanotubes. These ingredients form a strong, porous sponge that can ...

(Nanowerk Spotlight) One-third of the global population lacks access to clean water, with the challenge most severe in arid regions that make up 41% of Earth's land surface. The atmosphere holds vast ...

Engineers from Australia and China have invented a sponge-like device that captures water from thin air and then releases it in a cup using the sun's energy, even in low humidity where other ...

Why does a slightly damp sponge absorb water so much better than the same sponge when it is bone dry? And why does Earth have an iron core, rather than one made of another abundant element such as ...

Oil spills and industrial discharge can contaminate water with greasy substances. Although it's true that oil and water don't mix, separating and recovering each component can still be challenging.