Motion and Stability: Forces and Interactions

More Stories in Motion and Stability: Forces and Interactions

  1. Physics

    A new device uses atoms’ quantum weirdness to peer underground

    Quantum sensors like this one could monitor magma beneath volcanoes or uncover archaeological artifacts.

    By
  2. Materials Science

    A disinfectant made from sawdust knocks out deadly microbes

    It’s made by pressure-cooking sawdust and water, is cheap and easy to make — and could lead to greener cleaning products than chemicals used today.

    By
  3. Humans

    The earliest known pants are surprisingly modern — and comfy

    This 3,000-year-old garment was not only stylish but also functional. By recreating it, scientists also unraveled its complex and multicultural origins.

    By
  4. Life

    Scientists Say: Cellulose

    Cellulose is an abundant natural polymer found in plants and algae. It’s used to make everything from paper to clothing.

    By
  5. Physics

    Explainer: How do mass and weight differ?

    Learn why these terms aren’t the same and which to use where. And should you report your results in kilograms? Pounds? If in doubt, try using newtons.

    By
  6. Environment

    Scientists Say: Pollution

    Pollution is any substance or form of energy released into the environment that is harmful to people or other living creatures.

    By
  7. Environment

    Clothes dryers may be a major source of airborne microplastics

    Scientists thought washing machines were a leading contributor of microplastics. Now it appears dryers may be an even bigger problem.

    By
  8. Physics

    Analyze This: Masks cut the distance that spit droplets fly

    Both cloth masks and surgical masks reduced the distance spit traveled from a person talking or coughing by at least half, compared with no mask.

    By
  9. Physics

    Explainer: Gravity and microgravity

    The force of gravity holds us on the ground, keeps planets in orbit and extends throughout space. A very weak gravitational pull is called microgravity.

    By