Physics

  1. a ytterbium atomic clock in a NIST lab
    Physics

    Atomic clocks take a step toward redefining the second

    Measurements of the clocks’ frequencies provide the most precise clock comparisons yet, with uncertainties less than a quadrillionth of a percent.

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  2. atoms of a high-temperature superconductor
    Physics

    Can room-temperature superconductors work without extreme pressure?

    The next generation of materials that conduct electricity with no resistance could shrug off the need for high pressure and low temperatures.

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  3. gold sphere experiment set up
    Physics

    A tiny gold ball is the smallest object to have its gravity measured

    A gold sphere with a mass of about 90 milligrams pulled on another sphere in accordance with Newton’s law of universal gravitation.

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  4. researcher working on laser-cooled plasma experiment
    Physics

    A magnetic trap captures elusive ultracold plasma

    Pinning plasma within a set of magnetic fields offers physicists a new way to study clean energy, space weather and the inner workings of stars.

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  5. robot swimming in South China Sea
    Materials Science

    This soft robot withstands crushing pressures at the ocean’s greatest depths

    An autonomous robot that mimics the adaptations of deep-sea snailfish to extreme conditions was successfully tested at the bottom of the ocean.

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  6. EHT black hole image
    Physics

    Black hole visionaries push the boundaries of knowledge in a new film

    ‘Black Holes: The Edge of All We Know’ follows researchers with the Event Horizon Telescope and other physicists working to understand black holes.

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  7. dice scattered in the air
    Tech

    A new laser-based random number generator is the fastest of its kind

    A new laser’s chaotic light beam lets the device generate multiple number sequences at once, similar to throwing multiple dice at a time.

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  8. quarks and antiquarks inside a proton
    Particle Physics

    Protons’ antimatter is even more lopsided than we thought

    The SeaQuest experiment finds that down antiquarks within the proton are more prevalent than up antiquarks.

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  9. microflier levitating above a platform
    Physics

    Tiny, sunlight-powered aircraft could soar beyond airplanes’ reach

    Microfliers levitate when hit with light, in conditions like those high in Earth’s atmosphere.

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  10. an illustration of a five-quark particle
    Physics

    50 years ago, scientists were on a quest for quarks

    In the 1970s, physicists confirmed particles called quarks existed. Fifty years later, many kinds of quarks in many combinations have been discovered.

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  11. illustration of a molecule acting as a quantum bit
    Quantum Physics

    ‘Designer molecules’ could create tailor-made quantum devices

    Scientists are making molecules suited to a variety of quantum tasks by building them up, atom by atom.

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  12. Tibet AS-gamma experiment
    Physics

    The Milky Way’s newfound high-energy glow hints at the secrets of cosmic rays

    Gamma rays with energies approaching a quadrillion electron volts emanate from the disk of the Milky Way.

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