Physics
- Chemistry
New ‘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.
- Physics
Scientists Say: Acoustic
Acoustic is an adjective used to describe something involving sound. It’s also a noun that refers to the branch of physics that studies sound.
- Physics
Gravitational waves detected yet again
For the third time in 16 months, scientists have announced detection of gravitational waves washing over the spacetime environment in which Earth resides. This seems to show that such waves may not be rare.
- Animals
How a flamingo balances on one leg
Flamingos are so good at balancing on just one leg that they can snooze that way with little effort.
- Physics
Physics guides teen in search for which bike tire is best
Mountain bikes have lots of options, including the size of the wheels. The choice a rider makes when buying a bike can affect how fast they can go.
- Tech
Teen’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.
- Tech
A 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.
- Physics
After 30 years, this supernova is still sharing secrets
It’s been 30 years since astronomers first witnessed the stellar explosion known as SN 1987A. Today, researchers are still learning from this cataclysmic phenomenon.
- Physics
Why your shoelaces untie themselves
High-speed video shows how the combined motions of a shoe’s swinging and landing on the ground provoke shoelaces to come untied.
- Materials Science
Nanowires 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.
- Tech
These antennas turn anything into a radio station
Engineers have developed antennas that can turn ordinary objects — even posters — into radio stations.
- Climate
Cool 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.
