Physics
- Physics
Stephen Hawking says his group has solved a black hole puzzle
Physicist Stephen Hawking says light sliding along the outside of a black hole holds the key to understanding what’s inside.
- Physics
Scientists Say: Torque
Some forces pull and some push. This force produces turning or twisting.
- Physics
Fade to black? The universe is in decline
One of the largest sky surveys ever made has found that the universe is in decline. And after losing even more energy over the next 100 billion years, it will be dark, empty and boring.
- Materials Science
Long-sought subatomic particle ‘seen’ at last
Physicists have finally caught a brief glimpse of massless subatomic particles that were first predicted to exist 85 years ago. It’s the elusive Weyl fermion.
- Physics
Bacteria help water effortlessly go with the flow
By adding bacteria to water, scientists were able to make a fluid flow with almost no resistance.
- Computing
Radios: Build your own!
Building AM radios let young researchers from across the globe tune into electronics and engineering.
- Space
Profile: Looking for life beyond the solar system
Planetary scientist and astrophysicist Sara Seager is a leader in the search for signs of life on planets beyond our solar system.
- Animals
These spiders can purr
This wolf spider can purr like no other. It makes vibrations and sounds to tell a female he’s interested in her.
- Physics
Scientists Say: Photovoltaic
This effect allows us to convert sunlight into electricity and is a popular renewable energy source.
- Materials Science
Keeping roofs cooler to cut energy costs
Cool it! A cheap paint-on coating for roofing shingles could help reduce a home’s heating bills and might even trim urban ozone levels, a teen shows.
- Physics
Scientists ‘see’ thunder for first time
Scientists have captured the first image of thunder. The map shows the relative strengths of the sound waves emanating from the loud clap.
- Chemistry
Cool Jobs: Saving precious objects
Museum conservators are experts at protecting and restoring precious objects. Along with art or history, many also have studied chemistry, physics, archaeology or other scientific fields.
