Physics

  1. Physics

    Scientists Say: Torque

    Some forces pull and some push. This force produces turning or twisting.

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  2. Physics

    Fade to black? The universe is in decline

    One of the largest sky surveys ever made has found that the universe is in decline. And after losing even more energy over the next 100 billion years, it will be dark, empty and boring.

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  3. Materials Science

    Long-sought subatomic particle ‘seen’ at last

    Physicists have finally caught a brief glimpse of massless subatomic particles that were first predicted to exist 85 years ago. It’s the elusive Weyl fermion.

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  4. Physics

    Bacteria help water effortlessly go with the flow

    By adding bacteria to water, scientists were able to make a fluid flow with almost no resistance.

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  5. Computing

    Radios: Build your own!

    Building AM radios let young researchers from across the globe tune into electronics and engineering.

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  6. Space

    Profile: Looking for life beyond the solar system

    Planetary scientist and astrophysicist Sara Seager is a leader in the search for signs of life on planets beyond our solar system.

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  7. Animals

    These spiders can purr

    This wolf spider can purr like no other. It makes vibrations and sounds to tell a female he’s interested in her.

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  8. Physics

    Scientists Say: Photovoltaic

    This effect allows us to convert sunlight into electricity and is a popular renewable energy source.

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  9. Materials Science

    Keeping roofs cooler to cut energy costs

    Cool it! A cheap paint-on coating for roofing shingles could help reduce a home’s heating bills and might even trim urban ozone levels, a teen shows.

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  10. Physics

    Scientists ‘see’ thunder for first time

    Scientists have captured the first image of thunder. The map shows the relative strengths of the sound waves emanating from the loud clap.

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  11. Chemistry

    Cool Jobs: Saving precious objects

    Museum conservators are experts at protecting and restoring precious objects. Along with art or history, many also have studied chemistry, physics, archaeology or other scientific fields.

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  12. Climate

    Cosmic rays offer clues about lightning

    Space particles called cosmic rays pelt Earth. Scientists are using the rain of these particles to probe how lightning forms.

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