Scientists built a wood-based sponge that pulls water from air as dry as 15% humidity; it produced up to 1.72 litres per kg per day
Image: AI-generated representation of a wood-based sponge that pulls water from air as dry as 15% humidity Water vapour is present almost everywhere, even in places where rivers, lakes and groundwater are scarce. The challenge has always been turning that invisible moisture into usable freshwater efficiently enough to make atmospheric water harvesting practical. Now, researchers … Read more