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The universe’s dominance by ordinary matter is compelling evidence that matter and antimatter are not perfect reflections of each other. However, known differences do not explain the scale of this imbalance, leaving open the possibility that unknown physics is responsible. A new analysis of meson decays, conducted by the LHCb collaboration, has narrowed the scope of the search for such a scenario while paving the way for more precise measurements in the future.
Researchers at Cornell have developed a laser-cooling technique that could potentially remove a significant bottleneck in the development of larger, faster quantum computers.
Lakewood PD Agent Nick Graham, a 7-year veteran of the Lakewood Police Department, was killed in a shootout aboard an RTD bus
A gallery of gravitational lenses captured by NASA’s Hubble Space Telescope showcases the diversity of this cosmic phenomenon and lays the groundwork for follow-up observations by the new Nancy Grace Roman Space Telescope.
Scientists from the Institute of Metal Research (IMR) of the Chinese Academy of Sciences have directly observed liquid-like, glass-like and crystal-like phonon behaviors coexisting in a crystalline solid—the layered superionic conductor AgCrSe₂.
A research team from the Institut national de la recherche scientifique (INRS), led by professor Jinyang Liang, is pushing the limits of ultrafast imaging with a new technology capable of capturing three-dimensional images at speeds of up to 150,000 frames per second. Published in the journal Nature Communications, this study establishes a new world record in profilometry.
On July 1, 2023, the European Space Agency (ESA) launched the Euclid space telescope into space. Its mission: to create the largest and most detailed map of the universe ever made.
Imperfections reveal unexpected links between light and atomic vibrations in ultrathin boron nitrideFirst, one person stands up, followed by their neighbors, one after another, until a wave sweeps through the stadium. Atoms within a material move in a similar way: rather than remaining completely still in their positions, they vibrate together around their respective positions. In physics, these collective lattice vibrations are known as “phonons.” Some of them can interact with light and change its energy in the process.
Researchers using the Steady High Magnetic Field Facility have found that zinc doping unexpectedly alters the superconducting properties of iron selenide (FeSe) while preserving its two-gap superconducting state.
Way out past the asteroid belt, another belt encircles the planets in our solar system. The Kuiper belt, beyond Neptune, preserves icy bodies that escaped much of the processing experienced by objects closer to the sun. Unlike the rocky and metallic asteroid belt, Kuiper belt objects are composed mostly of frozen water, methane and ammonia, mixed with rock and dust.
Scientists at the Curtin University node at the International Center for Radio Astronomy Research (ICRAR) have linked mysterious radio pulses to an unusual pairing of stars—a dead star that spins every eight minutes and a star similar to our own sun.
In materials science labs around the world, researchers regularly reproduce a peculiar experiment. Under a microscope, they use tiny robotic manipulators to lay two sheets of carbon, each a single atom thick, against one another. They then rotate the top sheet against the bottom. The two identical lattices of atoms, when twisted relative to one another, bloom into a complex moiré pattern, a shifting complex of honeycomb shapes that grow and shrink as the angle between the layers changes.
Body camera video shows the suspect striking a King County deputy with a knife; the suspect was released less than 24 hours after his arrest, then failed to appear for arraignment
The universe is filled with light at many different energies. Some of it is invisible to our eyes, including extremely energetic gamma rays, which can only be produced in the most extreme environments in our universe, for example supermassive black holes, exploding stars or astrophysical jets. To “see” gamma rays, astrophysicists use particle experiments in space, such as the Fermi-Large Area Telescope (Fermi-LAT). This instrument was launched into space by NASA in 2008, and it can detect photons from 20 megaelectronvolts (MeV, a unit of energy) to beyond 1 teraelectronvolt (TeV).
Sometimes massive stars can mimic the behavior of a black hole and trick astronomers into misinterpreting their nature. Such is the case with a strange pair of stars in the Large Magellanic Cloud (LMC) cluster NGC 1850. The system was initially thought to contain a star about five times the mass of the sun orbiting a stellar-mass black hole. Now, a new study led by Rhys Seeburger of Liverpool John Moores University demonstrates that this is a black hole “impostor” system. The research paper was posted to the arXiv preprint server on Oct. 27.
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