Physics
- Earth
How deadly, fast-moving flows of volcanic rock and gas cheat friction
Mixtures of hot volcanic rock and gas called pyroclastic flows travel so far by gliding on air, a new study suggests.
- Materials Science
Bacteria can be coaxed into making the toughest kind of spider silk
Lab-altered bacteria have made a copy of a spider’s strongest silk strands, which could one day be used to make more sturdy materials.
- Physics
The LIGO and Virgo gravitational wave detectors are back on
Souped-up instruments could spot never-before-seen sources of gravitational waves.
- Quantum Physics
A new quantum engine packs more power than its standard counterparts
A new type of tiny machine harnesses quantum physics to produce more power than a normal engine, under certain conditions.
- Astronomy
4 things we’ll learn from the first closeup image of a black hole
Scientists are gearing up to release the first image of the black hole at the center of the galaxy. Here’s what they hope to find out.
- Particle Physics
How a proton gets its spin is surprisingly complicated
Pinning down the source of protons’ spin is surprisingly hard to do.
- Physics
Ultraprecise atomic clocks put Einstein’s special relativity to the test
Physics obeys the same rules no matter what direction you’re facing, a new experiment confirms.
- Physics
Scientists have chilled tiny electronics to a record low temperature
In a first, electronic chip temperatures dip below a thousandth of a degree kelvin.
- Physics
How droplets of oil or water can glow vibrant colors
Viewed from various angles, tiny droplets of water or oil glow different colors under white light.
- Physics
Microwaved grapes make fireballs, and scientists now know why
Electromagnetic waves bounce back and forth inside a grape, creating plasma.
- Physics
Japan puts plans for the world’s next big particle collider on hold
The jury is still out on whether Japan will host the world’s first “Higgs factory” — the International Linear Collider.
- Cosmology
Hidden ancient neutrinos may shape the patterns of galaxies
The gravitational pull of subatomic particles born in the universe’s first second seem to influence how galaxies cluster into rings.
