Tech
New audio tech could let you listen privately without headphones
Private listening out in the open is possible thanks to acoustic metasurfaces that precisely bend and direct sound waves.
Materials Science
More Stories in Materials Science
- Materials Science
The best way to cook an egg — in 32 minutes
It’s hard to cook both the white and the yolk of the egg to the right temperature. Scientists have found a new method, called periodic cooking.
- Chemistry
A new microbead proves effective as a plastic-free skin scrubber
The nonplastic polymer cleaned up eyeliner and permanent marker and broke down into molecules related to sugar and amino acids.
- Materials Science
Scotch tape is key to creating thin films of diamond
The sticky stuff helped peel sheets of diamond less than a micrometer thick off silicon wafers, creating membranes useful for electronic devices.
- Materials Science
Starchy nanofibers shatter the record for world’s thinnest pasta
The fibers, made from white flour and formic acid, average just 372 nanometers in diameter and might find use in biodegradable bandages.
- Health & Medicine
New electrical stitches use muscle movement to speed up healing
In rats, the sutures hastened recovery and reduced the risk of infection.
- Materials Science
A materials scientist seeks to extract lithium from untapped sources
Lithium is an essential ingredient for batteries in electric vehicles but getting enough will become a problem.
- Health & Medicine
50 years ago, some of plastic’s toxic hazards were exposed
Worker exposure to vinyl chloride became tightly regulated after the chemical was linked with liver cancer. Now, its use may be on the chopping block.
- Climate
Zigzag walls could help buildings beat the heat
A corrugated exterior wall reflects heat to space and absorbs less heat from the ground, keeping it several degrees cooler than a flat wall.
- Materials Science
Jurassic Park’s amber-preserved dino DNA is now inspiring a way to store data
DNA is capable of encoding all sorts of data. Storing it in an amberlike material may keep that information safe for nearly forever.
