Physics

More Stories in Physics

  1. Space

    Light from space has record-breaking energy

    Hundreds of newly detected gamma rays hint at environments in the cosmos that accelerate particles to energy extremes.

    By
  2. Materials Science

    ‘Smart’ pasta morphs into fun shapes as it cooks

    The trick to this shape-shifting are grooves cut into the raw pasta. Those grooves affect how the noodles swell as they cook.

    By
  3. Space

    Stars made of antimatter could lurk in our galaxy

    Fourteen sources of gamma rays in our galaxy look like they could be antistars — celestial bodies made of antimatter.

    By
  4. Chemistry

    Scientists Say: Bond

    In chemistry, this attachment between atoms forms because of the power of attraction. Chemical bonds make up every solid object on Earth.

    By
  5. Planets

    The pebbled path to planets

    Small pebbles zipping through a sea of gas may give rise to mighty planets.

    By
  6. Materials Science

    New device gets power from 5G signals grabbed from the air

    A new way to harvest electricity relies on a tiny array of antennas and a lens. Together, they collect and focus 5G signals coming from any direction.

    By
  7. Chemistry

    Scientists Say: Metal

    Metals are substances that can be elements, alloys or compounds. They all conduct heat and electricity and can be formed into different shapes.

    By
  8. Physics

    Why big nuts always rise to the top

    X-rays scans of a box of mixed nuts now reveal why large Brazil nuts rise to the top.

    By
  9. Materials Science

    Copper ‘foam’ could be used as filters for COVID-19 masks

    The lightweight new material could serve as a washable and recyclable, eco-friendly alternative for many current mask filters.

    By