Physics

  1. 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.

    By
  2. 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.

    By
  3. Physics

    Complete double rainbow encircles Australian town

    A photographer in a helicopter captured a double circular rainbow while flying around a storm near Perth, Australia.

    By
  4. Particle Physics

    New particle could help physicists understand subatomic glue

    A newfound particle will allow scientists to probe the universe’s strongest force.

    By
  5. Physics

    Falling raindrops break terminal velocity

    Unknown mechanism causes tiny raindrops to fall faster than terminal velocity.

    By
  6. 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.

    By
  7. Materials Science

    Blue LEDs win Nobel Prize in physics

    Light-emitting diodes have led to more energy-efficient bulbs that are elbowing out incandescents.

    By
  8. Chemistry

    Lasers wrest oxygen from carbon dioxide

    By zapping oxygen molecules off carbon dioxide, an experiment hints that Earth may have had breathable air long before the dawn of plants.

    By
  9. Physics

    Blue light-emitting diode earns three researchers Nobel Prize in physics

    The invention of blue light-emitting diodes has been awarded the 2014 Nobel Prize in physics.

    By
  10. 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.

    By
  11. Health & Medicine

    Zero calories and other awe-inspiring science tales

    In this issue, reporters look at artificial sweeteners, resurrecting a West Coast plant, quasiparticles and the future of our magazine and its parent non-profit, SSP.

    By
  12. 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.

    By