All Stories by Andrew Grant
- Cosmology
Gamma rays offer mixed messages on identity of dark matter
Conflicting results from Fermi telescope puzzle astronomers about dark matter’s true identity.
- Physics
Magnetic detector identifies single protons
An MRI-like machine can scan an individual proton, raising prospects that a similar technique could eventually image biological molecules one by one.
- Physics
Laser tractor beam tugs on beads
A new experiment is the first to construct a tractor beam that can pull objects over long distances with light.
- Physics
Perfect fluid of electrons may flow inside superconductor
Understanding superconductors’ viscosity could help inspire scientists to find ways to improve the electric power grid.
- Cosmology
‘The Theory of Everything’ reveals Stephen Hawking’s personal side
A new film explores love and science in the life of physicist Stephen Hawking.
- Particle Physics
New particle could help physicists understand subatomic glue
A newfound particle will allow scientists to probe the universe’s strongest force.
- Quantum Physics
Hawking radiation spotted within sonic black hole
Lab-created sonic black hole emits energy as famed physicist Stephen Hawking predicted, though the experiment may not be definitive.
- Science & Society
Nobels go to maps, LEDs, microscopy
The 2014 Nobel Prizes in chemistry, physics and physiology or medicine went to discoveries that defy single-discipline labels.
- Materials Science
Blue LEDs win Nobel Prize in physics
Light-emitting diodes have led to more energy-efficient bulbs that are elbowing out incandescents.
- Quantum Physics
Photons on roundabout route could get caught in action
Proposed twist on classic double-slit experiment could identify light that weaves in and out.
- Quantum Physics
Quasiparticles help physicists make sense of the world
To improve semiconductors, superconductors and other materials, physicists view a particle and its surroundings as one entity.
- Physics
Signal of elusive Majorana particle emerges in a nanowire
New evidence supports existence of exotic Majorana particle — a particle that is its own antiparticle.
