
Tech
New technologies could keep people cool in a warming world
New approaches to air conditioning aim to keep people cool with fewer greenhouse-gas emissions as our world warms.
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New approaches to air conditioning aim to keep people cool with fewer greenhouse-gas emissions as our world warms.
By searching ancient texts and ruins, scientists found a concrete recipe that could make buildings stronger — and help address climate change.
Piezoelectric materials turn mechanical energy into electrical energy — and vice versa.
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.
Better understanding of ice could lead to new deicing materials or even, someday, weather control.
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.
This property causes materials — including some animals’ skin, fur or feathers — to glow under light.
These unusual materials have a host of unusual properties. You can even make a starch-infused version in your kitchen.
Microplastics have turned up everywhere from the highest mountains to the bottom of the ocean — and even inside animals and people.