It’s also biodegradable, cheap, and widely available. Researchers chose balsa wood for its sponge-like structure, which helped them build a stable, reusable material. Lithium chloride, the salt used ...

Researchers from Australia and China have designed a smart spongy device capable of capturing water from thin air and releasing it in a cup using the sun’s energy, with impressive performance even in ...

Refined wood, salt, sunlight, and artificial intelligence might soon deliver clean drinking water from thin air—even in the driest regions of the world. That’s the promise behind a new invention ...