Materials Science
-
ChemistryU.S. Army is developing high-tech underwear
A new fabric could warm the skin of active soldiers in cold climates. At the same time, it could soak away sweat that might otherwise cause chills.
-
ChemistryBlue light flexes its chem-building muscle
Scientists found a new way to build a strong but bendable blend of polymers. The trick? Expose the ingredients to a beam of blue light.
By Sid Perkins -
ChemistryExplainer: What are polymers?
Polymers, whether natural or artificial, are big molecules made by linking up smaller repeating chemical units. The most common “backbones” for polymers are chains of carbon or silicon, each of which can bond to four other atoms.
By Sid Perkins -
ChemistrySpecially coated fabric could turn a shirt into a shield
Specially treated fabrics offer a new kind of defense against chemical attacks. It could protect troops — and people living in war-torn nations where chemical weapons may be used.
-
EarthVinegar dissolves new electronics when they’re no longer needed
Now you see it, now you don't. A new lightweight, low-cost technology disintegrates in kitchen vinegar.
-
Materials ScienceRobot grippers imitate gecko feet to help nab space junk
NASA is testing robotic, gecko-inspired gripper hands that might one day help clean up space junk.
-
ChemistryNew ‘magnet’ pulls pesky nonstick pollutants from drinking water
Chemicals that help make pans nonstick can themselves stick around forever in the environment. But a new material can remove them from drinking water.
-
Materials ScienceTeen’s invention could help light up bikes at night
A teen researcher from Georgia has developed a light that could replace reflectors on bike wheels. Flexing tires provide all the power it needs.
By Sid Perkins -
Materials ScienceA better way to stop a bullet?
A teen researcher's tests suggest that fabric body armor might stop bullets better if it were woven using a three-fiber, triangular mesh instead of the typical two-fiber-mesh configuration.
By Sid Perkins -
Materials ScienceNanowires made from silver are super stretchy
When silver nanowires stretch slowly, atoms on their surface can spread to heal weak spots. The discovery could lead to more flexible electronics.
By Sid Perkins -
ClimateCool Jobs: Head in the clouds
What do a microbiologist, an atmospheric scientist and a materials engineer have in common? They’ve all got their heads in the clouds.
By Beth Geiger -
AnimalsFrog’s gift of grab comes from saliva and squishy tissue
What puts the grip in a frog’s high-speed strike? Quick-change saliva and a super-soft tongue, scientists find.
By Susan Milius