Physics
- Astronomy
All you need to know about the history of black holes
From dreaming up black holes to snapping the first picture of one, the history of black holes has had many twists.
- Astronomy
The first picture of a black hole opens a new era of astrophysics
Astronomers used a network of telescopes around the world to take a picture of the supermassive black hole in the galaxy M87.
- 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.
