Physics

More Stories in Physics

  1. Animals

    Drones might one day capture a dolphin’s breath in midair

    High-speed footage of dolphin spray reveals that droplets blast upward at speeds close to 100 kilometers per hour.

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  2. Physics

    Scientists Say: Decibel

    A decibel is a unit of measurement that describes a sound’s volume. It’s used for sounds that are in the range of human hearing.

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  3. Math

    Color-changing fibers help unravel a knotty problem

    Experiments with colorful fibers helped scientists discover a few simple rules on why the strength of various types of knots differs.

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  4. Materials Science

    Here’s how to hide some objects from heat-sensing cameras

    A special coating that conceals temperature information from heat-detecting cameras might someday be used as a privacy shield.

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  5. Materials Science

    Self-powered surface may evaluate table-tennis play

    Scientists at the Georgia Institute of Technology built a 'smart' surface on which to play table tennis. It can track the location, speed and direction of the ball.

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  6. Physics

    Scientists Say: Quark

    These subatomic particles are the building blocks of bigger particles, including the protons and neutrons found in an atom’s nucleus.

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  7. Physics

    Giving Notre Dame back her unique voice

    A 2019 fire robbed Paris’ Notre Dame cathedral of more than her roof. She also lost her voice. Now scientists are using acoustics to return her unique soundscape.

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  8. Physics

    Here’s how quantum mechanics lets heat cross a vacuum

    Heat can move across a vacuum if the span is small enough. As in really, really small. In a new experiment, the gap was only a few hundred nanometers.

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  9. Planets

    Glass beads help scientists puzzle out how baby planets grow

    Researchers have mimicked the first stages of planet formation in the lab. All they needed were glass beads and a catapult.

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