
Tech
A new solar-powered gel purifies water in a flash
The unusual, fruit-inspired structure of this material provides quick filtration that could satisfy people's daily water needs.
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The unusual, fruit-inspired structure of this material provides quick filtration that could satisfy people's daily water needs.
Keeping buildings cool can use a lot of energy. Thanks to quantum computing, engineers designed a coating to cut the warming light that enters windows.
Instead of throwing unneeded things away, scientists recommend moving to a cycle of reducing, reusing, repairing and remaking old things into new ones.
Piezoelectric materials turn mechanical energy into electrical energy — and vice versa.
The new device, which looks like a pair of plastic pinchers, is the first to be able to pick up individual droplets of liquid.
Tangled polymer chains help hydrogels hold their shape despite being full of water.
Sewage sludge. Cow dung. They’re not just waste — scientists are finding uses for processed poop in construction materials.
For the first time, flying drones have 3-D printed structures. In the future, such drones might be able to build in hard-to-reach places.
Needing no batteries, a new digital camera can run almost continuously to offer new, deeper insights into the ocean world.
Super-small structures on the Arctic animals’ paws might offer extra friction that keeps them from slipping on snow, a new study concludes.