Physics

  1. Physics

    The Power of Induction

    A new technology based on classical electromagnetic theory uses oscillating magnetic fields to transfer electric power wirelessly across a room.

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  2. Physics

    Pulling Strings: Stretching proteins can reveal how they fold

    Unfolding a single protein by pulling on its ends reveals the molecular forces that make it fold up.

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  3. Physics

    Dropping the Ball: Air pressure helps objects sink into sand

    A ball plunges deeper into sand under atmospheric pressure than under a vacuum, because the presence of air allows sand to flow like a liquid.

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  4. Materials Science

    Allergy Nanomedicine: Buckyballs dampen response of cells that trigger allergic reactions

    Drugs based on soccer ball–shaped carbon molecules could one day help fight allergies.

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  5. Physics

    Smallest laser minds the gap

    The smallest, most efficient laser yet represents a step toward speedier information transfer within computers.

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  6. Physics

    Pas de deux for a three-scoop particle

    Physicists have discovered the first particle containing one member of each of the three families of quarks.

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  7. Physics

    Stradivari’s secrets

    Three-dimensional imaging of a classic violin's vibrations explains the instrument's superior ability to direct sound to the audience.

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  8. Materials Science

    Needling Cells: Stem cells could take their cues from silicon nanowires

    Scientists have grown mouse stem cells on a bed of silicon nano-needles, hoping that they will be able to guide the cells' development through electrical stimulation.

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  9. Materials Science

    Heal thyself—again and again

    A new self-healing material can repeatedly repair damage at the same spot.

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  10. Physics

    Magnetic Logic: Electron spins could do cool calculations

    Novel circuits use electrons as tiny bar magnets to process information.

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  11. Physics

    Carbon’s mysterious magnetism

    An X-ray experiment has yielded the most conclusive evidence to date that carbon can be magnetic.

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  12. Physics

    The dance of the electron spins

    Physicists have used a novel measuring technique to track the motions of electron spins in a tiny magnet as its polarity flips, with north and south poles changing places.

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