Physics

  1. Concorde supersonic jet
    Physics

    Why even small sonic booms are more annoying in cities

    Quieter sonic booms from next-generation planes could still be annoying in cities thanks to narrow streets and tall buildings, simulations suggest.

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  2. illustration of a vortex ring of light
    Physics

    Scientists created ‘smoke rings’ of light

    A swirling doughnut of light shows that vortex rings aren’t just for fluids anymore.

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  3. Part of Google's Sycamore quantum computer
    Quantum Physics

    Quantum physics exponentially improves some types of machine learning

    It wasn’t entirely clear if quantum computers could improve machine learning in practice, but new experiments and theoretical proofs show that it can.

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  4. the USS Asheville nuclear submarine, partially above the surface of the ocean
    Particle Physics

    How neutrinos could ensure a submarine’s nuclear fuel isn’t weaponized

    Nuclear submarines could be monitored with the help of neutrinos to ensure that the fuel isn’t diverted to nuclear weapons programs

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  5. image of a pipe organ
    Physics

    Here’s why pipe organs seem to violate a rule of sound

    Why reedless wind instruments’ fundamental tones are lower than expected is an 160-year-old mystery. Physicists have now solved it.

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  6. image of NGC 1052-DF2 galaxy
    Physics

    A galactic smashup might explain galaxies without dark matter

    Scientists are debating whether a trail of galaxies reveals the origins of two weird dark matter–free galaxies.

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  7. illustration of a tidal disruption event
    Particle Physics

    High-energy neutrinos may come from black holes ripping apart stars

    Where extremely energetic neutrinos originate from is a mystery. A new study supports the idea that “tidal disruption events” are one source.

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  8. a bird nest between skinny tree branches
    Physics

    Experiments hint at why bird nests are so sturdy

    A bird’s nest is a special version of a granular material. Lab experiments and computer simulations explain its quirky behavior.

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  9. An image of Sagittarius A*, the black hole at the center of the Milky Way
    Astronomy

    We finally have an image of the black hole at the heart of the Milky Way

    Observations from the Event Horizon Telescope reveal the turbulent region around our home galaxy’s black hole, Sagittarius A*, in new detail.

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  10. six nesting dolls at different distances, all in focus
    Tech

    This camera lens can focus up close and far away at the same time

    Inspired by the eye of an extinct trilobite species, the large depth of field can help with imaging techniques to create 3-D photos.

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  11. an illustration of two black holes merging
    Physics

    Gravitational waves gave a new black hole a high-speed ‘kick’

    Ripples in spacetime revealed that two black holes united into one, which then sped off at around 5 million kilometers per hour.

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  12. Large Hadron Collider
    Particle Physics

    The Large Hadron Collider has restarted with upgraded proton-smashing potential

    Physicists will start taking data this summer once the revamped Large Hadron Collider gets up to full speed.

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