Physics

  1. Physics

    Terrific Timekeeper: Optical atomic clock beats world standard

    An innovative atomic clock is more precise than the breed of clocks that's been the best for 50 years.

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  2. Physics

    Out of Sight

    Shields that confer invisibility on objects and people may be on the horizon.

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  3. Materials Science

    Seeing the light

    Researchers have developed a smart petri dish that signals cell death with intense light.

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  4. Materials Science

    Greenhouse Glass: Squeezing and heating carbon dioxide yields exotic, see-through solid

    Researchers have forged solid glass from carbon dioxide.

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  5. Physics

    String Trio: Novel instrument strums like guitar, rings like bell

    A new type of musical instrument, equipped with Y-shaped strings, may be the first of a family of string instruments with unusual overtones typically heard in bells or gongs.

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  6. Physics

    As waters part, polygons appear

    When rapidly swirled inside a stationary bucket, liquids can form whirlpools of surprising shapes, such as triangles and hexagons.

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  7. Materials Science

    Gripping Tale: Metal oozes in nanotubes’ grasp

    Carbon nanotubes can squeeze substances inside them with such high pressures that even hard metals squish like putty.

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  8. Physics

    A well-spun egg also jumps

    Physicists have demonstrated that spinning a hard-boiled egg horizontally makes it jump into the air.

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  9. Materials Science

    Feeling cagey

    Researchers have discovered that gold can take the shape of nanoscale, hollow cages.

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  10. Physics

    Confined gas rejects compromise

    Pairs of tiny gas clouds of unequal energies mixing inside narrow tubes retain their original energy differences.

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  11. Physics

    Universe in Flux: Constant of nature might have changed

    Researchers have found signs that one of the constants of nature has undergone a subtle shift since the universe's infancy.

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  12. Physics

    Abuzz about uranium

    A type of atomic vibration never before seen in ordinary solid materials has been observed in uranium.

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