Physics
- Physics
Gravity doesn’t leak into large, hidden dimensions
Gravitational waves from a recently observed neutron star merger offer no evidence of large, unknown dimensions.
- Astronomy
Universes with no weak force might still have stars and life
An alternate universe that lacks one of the four fundamental forces might still have galaxies, stars, planets and perhaps life, a new study suggests.
- Particle Physics
Clumps of dark matter could be lurking undetected in our galaxy
Dark matter, assumed to form featureless blobs, might clump together into smaller objects.
- Tech
Lasers trace a new way to create hovering hologram-like images
Hovering 3-D images pave the way for futuristic displays that could be used for education or entertainment.
- Astronomy
The X-ray glow keeps growing after the recent neutron star collision
X-rays from a neutron star collision have been getting brighter, and scientists are debating why.
- Materials Science
New device can transmit underwater sound to air
A newly created metamaterial takes a shot at solving the problem of hearing underwater sounds from the surface.
- Astronomy
Mysterious high-energy particles could come from black hole jets
Three types of high-energy cosmic particles could all have the same source: black holes in galaxy clusters.
- Materials Science
Ultrathin 2-D metals get their own periodic table
A new atlas of atom-thick metals could help researchers figure out how these 2-D materials might be used.
- Astronomy
Trio of dead stars upholds a key part of Einstein’s theory of gravity
A cosmic test fails to topple the strong equivalence principle.
- Materials Science
This artificial cartilage gets its strength from the stuff in bulletproof vests
One of the key ingredients in this artificial cartilage is a nanoversion of the synthetic fiber in body armor.
- Particle Physics
Magnets with a single pole are still giving physicists the slip
Using data from particle accelerators and dead stars, scientists eliminate some possible masses for magnetic monopoles.
- Science & Society
Watch our most-viewed videos of 2017
Cassini’s demise, cuttlefish and the Curiosity rover topped our list of most popular videos of 2017.
