Physics

  1. Physics

    Pulsar pair ripples spacetime

    A pair of pulsars gives scientists the best evidence so far for gravitational waves, which have yet to be detected directly.

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  2. Climate

    Why some rainbows are all red

    Red rainbows are caused by the position of the sun in the sky, appearing more often during sunrise and sunset, new research finds.

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  3. Physics

    General relativity caught in action around black hole

    X-rays enable scientists to spot a black hole twisting the surrounding fabric of spacetime, just as Einstein’s theory predicts.

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  4. Physics

    Uncovering the science of sand dune ‘booms’

    Mechanical engineer and geophysicist Nathalie Vriend explores noises in the desert that are triggered by sand sliding down dunes.

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  5. Particle Physics

    LHC restart provides tantalizing hints of a possible new particle

    The first comprehensive analyses of the recently restarted Large Hadron Collider yields no clear-cut discoveries but at least one intriguing hint of a new particle.

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  6. Quantum Physics

    Year in review: Quantum spookiness is real

    A new version of an experiment proposed in 1964 confirmed a counterintuitive tenet of quantum mechanics.

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  7. Physics

    Year in review: Big stride for superconductivity

    Compelling but not quite confirmed research in 2015 suggested that hydrogen sulfide is a superconductor at temperatures as high as 203 kelvins.

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  8. Particle Physics

    Year in review: Collider creates pentaquarks

    Two particles discovered in 2015 are each composed of five quarks.

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  9. Cosmology

    Debate grows over whether X-rays are a sign of dark matter

    The dwarf galaxy Draco, which is chock-full of dark matter, doesn’t emit a band of X-rays that researchers hoped were produced by the mysterious invisible stuff.

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  10. Quantum Physics

    Google’s quantum computer speeds up, but practical use is unclear

    Google’s D-Wave quantum computer is getting faster, but it’s still unclear whether it will ever outperform regular computers at completing useful tasks.

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  11. Chemistry

    Elusive chemical reaction transition state captured

    A new method provides a detailed look at the elusive transition state.

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  12. Physics

    There’s no hiding from new camera

    A new camera tracks objects hidden around a corner by detecting light echoes, similar to the way bats use sound to find prey.

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