Physics

  1. Physics

    The sound of screech

    Auditory experts decipher the blood-curdling nature of fingernails on a chalkboard.

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  2. Physics

    Laser analysis betrays diamonds’ origins

    A new spectroscopy technique could be used to identify gemstones mined in war zones.

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  3. Physics

    The Ultimate Clock

    Keeping precise time on the universe’s scale.

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  4. Physics

    Sweet beams: Lasers to measure blood sugar

    Cutting-edge use of light might someday prove useful in gauging diabetics’ glucose levels.

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  5. Chemistry

    Molecules/Matter & Energy

    An atom steps in as a mirror, ladybug chemical weapons and more in this week's news.

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  6. Physics

    Neutrinos seen to fly faster than light

    Though few physicists expect it to withstand scrutiny, confirmation of the observation would shake physics to its core.

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  7. Chemistry

    Molecular muscle gets the job done

    Chemists solve a stubborn problem by resorting to strong-arm tactics.

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  8. Physics

    Last Words

    Tevatron’s data may have more to say, even after the atom smasher shuts down.

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  9. Chemistry

    Explosive goes boom, but not too soon

    Leavening a volatile new material with good old TNT yields a substance that’s safer to handle and easily reverted into a highly potent form.

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  10. Physics

    A lighter Higgs, but chase continues

    Target narrows after LHC experiments suggest a new lower estimated mass for the elusive particle.

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  11. Chemistry

    Molecules/Matter & Energy

    Fuel from gator fat, cube-shaped neutrons and more in this week's news.

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  12. Physics

    Solar cells could get quantum boost

    A quantum trick to merge atomic energy levels might boost the power of semiconductor lasers and improve the efficiency of solar panels.

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