Physics

  1. illustration of a neutron star as a bright orb on a black background
    Astronomy

    Neutron stars may not be as squishy as some scientists thought

    NASA’s NICER X-ray telescope finds that the most massive known neutron star has an unexpectedly large diameter.

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  2. black and white image of Calder Hall power plant smokestacks
    Particle Physics

    How matter’s hidden complexity unleashed the power of nuclear physics

    In the last century, physicists learned to split atomic nuclei and revealed a complex world of fundamental particles.

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  3. inside of the g-2 experiment at Fermilab
    Particle Physics

    Muon magnetism could hint at a breakdown of physics’ standard model

    After two decades, a new measurement of the muon magnetic anomaly reinforces earlier hints that its value disagrees with standard physics.

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  4. laser light cooling antimatter
    Physics

    Newly made laser-cooled antimatter could test foundations of modern physics

    Physicists have finally used laser cooling to tame unruly antimatter atoms. That could allow new tests of symmetry and Einstein’s theory of gravity.

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  5. microscope image of a fibers in cotton flannel
    Materials Science

    Microscopic images reveal the science and beauty of face masks

    Important insights into the particle-filtering properties of different fabrics also offer a sense of the unseen, textured world of face masks.

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  6. remnant of a 1a supernova
    Physics

    Uranium ‘snowflakes’ could set off thermonuclear explosions of dead stars

    Uranium crystals that settle in the cores of white dwarfs could trigger nuclear chain reactions that blow the dead stars apart, a new study suggests.

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  7. 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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  8. 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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  9. 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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  10. 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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  11. 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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  12. 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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