
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.
Wind farms, solar panels and more take up land and may harm wildlife. Researchers are working to resolve this conflict.
In a mountaintop experiment, a laser beamed at the sky created a virtual lightning rod that snagged several bolts.
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.
Some algae glow blue when they experience forces. Held in transparent plastic, they now make devices light up in response to gentle pushes and tugs.
The new device, which looks like a pair of plastic pinchers, is the first to be able to pick up individual droplets of liquid.
Social robots can teach, help and keep people company. What would it take for machines to form real friendships with people? And do we even want that?
Sewage sludge. Cow dung. They’re not just waste — scientists are finding uses for processed poop in construction materials.
Access to the internet is a human right, yet much of the world can’t get online. New tech has to be affordable and usable to end this digital divide.
Ayla was treated before birth for the rare, life-threatening Pompe disease. Now a thriving 16-month-old toddler, her treatments will still need to continue.