Physics

  1. Paleontology

    Readers weigh in on dinos, dark matter and more

    Ancient bird calls, the search for dark matter and more in reader feedback.

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  2. Particle Physics

    Dark matter still missing

    The XENON100 experiment found no evidence of an annually varying dark matter signal.

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  3. Physics

    New form of hydrogen created

    Scientists have created negatively charged clusters of hydrogen for the first time.

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  4. Physics

    ‘Time Travel’ tours a fascinating fiction

    James Gleick’s entertaining book Time Travel focuses more on fantasy than real science.

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  5. Physics

    Antimatter hydrogen passes symmetry test

    Antihydrogen atoms behave similarly to normal hydrogen atoms.

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  6. Physics

    Year in review: Gravitational waves offer new cosmic views

    The first direct detection of gravitational waves will open a new window on black holes and introduce a new era in astronomy.

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  7. Physics

    Shadows of two failed searches loom over physics

    Physicists are facing two failures this year with no detections of dark matter particles and no signs of supersymmetry from the Large Hadron Collider.

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  8. Quantum Physics

    Vacuum’s quantum effect on light detected

    Light can be polarized through interactions with empty space.

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  9. Materials Science

    Graphene Silly Putty detects pitter-patter of spider footsteps

    Sensor made of graphene and Silly Putty can detect pulse, breathing — and spider feet.

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  10. Earth

    Third kind of quasicrystal found in Russian meteorite

    A new quasicrystal found inside a Russian meteorite is the first ever found in nature before being synthesized in the lab.

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  11. Quantum Physics

    Cosmic test confirms quantum weirdness

    Physicists used starlight to perform a cosmic Bell test.

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  12. Physics

    Despite lack of free electrons, bismuth superconducts

    Bismuth conducts electricity with no resistance at temperatures near absolute zero, despite lack of mobile electrons.

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