
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.
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This interplay between plastics and metals could affect how each affects the environment — and suggests opportunities for controlling their risks.
Wind farms, solar panels and more take up land and may harm wildlife. Researchers are working to resolve this conflict.
Modern Amazonians make nutrient-rich soil from ash, food scraps and burns. The soil strongly resembles ancient “dark earth” found in the region.
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.
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 sun creates energy through nuclear fusion. Now scientists have too. This achievement raises hopes for developing a new type of clean energy.
Archaeologists and an Aboriginal family are working together to find and document a First Nations group’s lost ties to the land.