HS-PS4-5
Communicate technical information about how some technological devices use the principles of wave behavior and wave interactions with matter to transmit and capture information and energy.
- Tech
You might someday ‘wallpaper’ your bedroom with this loudspeaker
This thin, flexible and lightweight loudspeaker could reduce noise in loud spaces. It also might enable listeners to experience sound in new ways.
- Tech
A new audio system confuses smart devices that try to eavesdrop
It works by playing soft, calculated sounds to help people protect their privacy from automatic speech-recognition systems.
- Climate
Coastal cities around the world are sinking, satellite data show
Of 99 coastal cities studied, nearly one-third are sinking. This leaves coastal communities increasingly vulnerable to rising seas.
- Animals
Orb-weaving spiders use their webs like external eardrums
Scientists discover that orb-weaving spiders listen with their legs, detecting sound vibrations that travel through their silken webs.
- Physics
Muons reveal the inner worlds of pyramids, volcanoes and more
Tracking these subatomic particles can uncover surprising hidden structures.
- Tech
This sun-powered system delivers energy as it pulls water from the air
The device not only produces electricity but also harvests water for drinking or crops. It could be especially useful in remote and dry parts of the world.
- Materials Science
This new fabric can ‘hear’ sounds or broadcast them
With special fibers that convert tiny vibrations to voltages, a new fabric senses sound. Someday, such fabrics could monitor the body or aid hearing.
- Space
Wild art? No, it’s a radio image of the heart of our Milky Way
Eyelash-like radio filaments accent the brightest feature in this image — a supermassive black hole.
- Tech
This crumb-sized camera uses artificial intelligence to get big results
Researchers have developed a camera the size of a coarse grain of salt that takes amazingly clear photos.
- Space
The long-awaited James Webb Space Telescope has a big to-do list
The James Webb Space Telescope has been in the works for so long that new fields of science have emerged for it to study.
- Physics
Future cars may offer personal sound zones — no earphones needed
Zones that offer each passenger personal listening are closer to reality. A new design improves performance by adapting to the conditions in your car.
- Health & Medicine
Cannabis may alter a teen’s developing brain
Marijuana use between ages 14 and 19 was linked to faster thinning of brain regions important in decision-making.
