Physics
- Astronomy
Gaia delivers a trove of data revealing secrets of the Milky Way
Astronomers are already using Gaia’s new information to estimate the galaxy’s mass, the diameter of exoplanets and more.
- Math
Real numbers don’t cut it in the real world, this physicist argues
Physicist Nicolas Gisin argues that real numbers don’t properly represent the natural world, which is a good thing for free will.
- Physics
‘Time crystals’ created in two new types of materials
A state of matter that repeats itself in time, not space, was found in certain liquids and a solid.
- Physics
Neutron stars shed neutrinos to cool down quickly
Scientists find the first clear evidence of rapid cooling of a neutron star by neutrino emission.
- Particle Physics
Readers puzzled by particle physics and a papal decree
Readers had questions about neutrinoless double beta decay and the history of domesticated rabbits.
- Physics
A DIY take on the early universe may reveal cosmic secrets
A conglomerate of ultracold atoms reproduces some of the physics of the early universe.
- Environment
This plastic can be recycled over and over and over again
A new kind of polymer is fully recyclable: It breaks down into the exact same molecules that it came from.
- Quantum Physics
Split atom clouds get entangled in quantum tests
Scientists create quantum links between clouds consisting of thousands of atoms.
- Quantum Physics
Spooky quantum entanglement goes big in new experiments
Scientists entangled the motions of two jiggling devices that are visible with a magnifying glass or even the naked eye — if you have keen vision.
- Physics
How ravens caused a LIGO data glitch
Ravens pecking at frosty pipes caused a glitch in gravitational wave data.
- Science & Society
Here’s why putting a missile defense system in space could be a bad idea
Expanding missile defense capabilities could put the world on a slippery slope to space warfare.
- Materials Science
A new plastic film glows to flag food contaminated with dangerous microbes
Plastic patches that glow when they touch some types of bacteria could be built into food packaging to reduce the spread of foodborne illness.
