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Skyrmions—essentially magnetic vortices—represent a promising approach in spintronics; in the future, they could serve as components in storage media or computers, potentially complementing established CMOS technologies. Researchers at Johannes Gutenberg University Mainz (JGU) have now visualized the interaction of antiferromagnetic skyrmions for the first time and shown that antiferromagnetic skyrmions move reproducibly along straight trajectories aligned with the driving electric current.
Appomattox County Deputy Burlie W. Duvall III “dedicated his life to protecting this community” with “courage, selflessness and commitment to duty,” Sheriff Robert Richardson said
Body camera footage shows a suspect opening fire and fatally wounding LVMPD Officer Austin Abdelnabi as he arrived on the scene and exited his vehicle
Hundreds of Venus-like planets could soon help determine why some worlds become sweltering greenhouse hellscapes while others remain capable of supporting life. But before answering that question, scientists first need to know how fast those planets are spinning.
Mirrors normally reveal what is placed in front of them, even when their curvature distorts a reflection. Researchers at the University of California, Los Angeles (UCLA) have introduced a different optical concept: a “lying mirror” that hides information carried by an input image and transforms it into a misleading, ordinary-looking pattern at the output. The study is published in the journal Nature Communications.
Since it became operational in 2022, the James Webb Space Telescope (JWST) has released some truly breathtaking views of the cosmos. These images highlight how advancements since the days of the venerable Hubble Space Telescope are now providing the deepest and clearest views of the cosmos to date. The work is published on the arXiv preprint server.
The Perseid summer light show is back—and viewing conditions are especially promising for the Northern Hemisphere.
From schools of fish and flocks of birds to microscopic synthetic particles, many systems in nature and the laboratory consist of individual units or agents that move by consuming energy. These systems are known as active matter because their components continuously use energy to generate motion, either individually or through interactions with their environment.
Composing some 85% of the universe’s total mass, dark matter betrays its presence only through gravity, unlike ordinary matter. Yet through new research published in Physical Review D, a team led by David Dunsky of New York University has proposed a new way to hunt for the elusive substance. Their approach involves searching for the decay of dark matter particles into gravitons: the hypothetical particles thought to carry the force of gravity itself.
Boston College scientists have determined that a newly discovered meteorite from Mars is 1.27 billion years old and derived from a previously unsampled, pristine source on the Red Planet. The study is published in the journal Geochimica et Cosmochimica Acta.
Kate Hwang loved being a Kansas City Police officer, but her life changed when she and her partner were attacked by seven men while writing a parking ticket
Officers from the NYPD’s Technical Assistance Response Unit are now operating drones alongside lifeguards, providing an aerial view to identify sharks before they approach swimmers
What shape is an asteroid? For (44) Nysa, the honest answer until now has been that nobody knew. It is one of the brightest and largest E-type asteroids in the main belt, a class with a surface rich in enstatite, and its oddness has made it a favorite target for well over a hundred years. Successive observations hinted that it was elongated, perhaps even two lumps stuck together, but the picture stayed frustratingly blurred.
In a new Nature Physics study, researchers accelerated electrons to more than twice the energy predicted by the traditional dephasing limit for laser-plasma accelerators operating over the same distance. This was made possible by a specially engineered laser pulse called a flying focus, which counteracts a longstanding limitation known as “dephasing.”
From reaching for a cup of coffee to tying your shoelaces, gravity shapes nearly all human movement. So how do our bodies react when that familiar force begins to change? Texas A&M University researchers are exploring the answer through a multiphase project supported by NASA.
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