Physics

More Stories in Physics

  1. Chemistry

    Reusable plastic bottles release hundreds of pollutants into water

    Data show the plastic ends up tainting drinking water. For now, scientists don’t know what health risks downing these pollutants might pose.

    By
  2. Chemistry

    Let’s learn about cellulose

    The world’s most abundant natural polymer is finding all kinds of new uses, in everything from ice cream to construction.

    By
  3. Space

    Explainer: All about orbits

    A handful of rules can describe the route some object repeatedly takes around another in space. Calculating that path, however, can be quite complex.

    By
  4. Materials Science

    This new fabric can ‘hear’ sounds or broadcast them

    With special fibers that convert tiny vibrations to voltages, a new fabric senses sound. Someday, such fabrics could monitor the body or aid hearing.

    By
  5. Materials Science

    Let’s learn about the future of smart clothing

    Researchers are fashioning new materials to make clothes more comfortable and convenient.

    By
  6. Materials Science

    New cloth cools you when you’re hot, warms you when you’re cold

    Scientists 3-D printed the new fabric, which has even more tricks up its sleeve — such as conducting electricity and resisting radio waves.

    By
  7. Physics

    Explainer: The fundamental forces

    Four fundamental forces control all interactions between matter, from the smallest subatomic particles to the largest structures in the universe.

    By
  8. Physics

    Scientists Say: Doppler effect

    The Doppler effect is a perceived change in the frequency of light or sound waves due to the wave source moving relative to an observer.

    By
  9. Materials Science

    Engineers borrow a tree’s cellulose to toughen new materials

    Cellulose gives plants their strength. Engineers are turning this renewable, environmentally friendly resource into brand new materials.

    By