Sound waves reveal diamond cache deep in Earth’s interior
Study finds 1–2 percent of Earth’s oldest mantle rocks are made from diamond.
Search Stories
3Q: Janet Conrad on the first detection of a neutrino’s cosmic source
The “ghostly particle” is confirmed to have originated from a blazar, nearly 4 billion light years from Earth.
Could gravitational waves reveal how fast our universe is expanding?
Signals from rare black hole-neutron star pairs could pinpoint rate at which universe is growing, researchers say.
“Blind” Cheetah 3 robot can climb stairs littered with obstacles
Improved design may be used for exploring disaster zones and other dangerous or inaccessible environments.
Low-cost prosthetic foot mimics natural walking
New design can be tuned to an individual’s body weight and size.
Nearly 80 exoplanet candidates identified in record time
Search considered successful “dress rehearsal” for exoplanet hunter TESS.
Chip upgrade helps miniature drones navigate
Low-power design will allow devices as small as a honeybee to determine their location while flying.
MIT engineers build smart power outlet
Design can “learn” to identify plugged-in appliances, distinguish dangerous electrical spikes from benign ones.
MIT engineers configure RFID tags to work as sensors
Platform may enable continuous, low-cost, reliable devices that detect chemicals in the environment.
Magnetic 3-D-printed structures crawl, roll, jump, and play catch
New printing technique could be used to develop remotely controlled biomedical devices.
3 Questions: Roger Summons on finding organic matter on Mars
Discovery adds to evidence suggesting that Mars was at one time habitable.
Keeping data fresh for wireless networks
Algorithm provides networks with the most current information available while avoiding data congestion.
Engineers design color-changing compression bandage
Bandage is threaded with photonic fibers that change color to signal pressure level.
Turning up the heat on thermoelectrics
New materials, heated under high magnetic fields, could produce record levels of energy, model shows.