Scientists in recent years have sought to efficiently draw moisture from ambient air and condense it into potable water using materials made of salt and absorbent polymers. But these materials, known ...

"They need to erect enormous solar walls around train tracks." ...

Scientists have developed a long‑lasting hydrogel capable of harvesting water from air using solar power, overcoming a major ...

Two 150 mL cylindrical glass chambers sit on a ledge outdoors. Inside each chamber is an electrode submerged in a cloudy tan liquid. The electrodes are connected to a solar panel sitting behind them.