Body camera video shows now-former Towns County sheriff Kenneth Henderson confronting a Hiawassee officer at a scene where a deputy had suffered a gunshot wound
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Body camera video shows now-former Towns County sheriff Kenneth Henderson confronting a Hiawassee officer at a scene where a deputy had suffered a gunshot wound
Stanford researchers have offered an explanation for why some sizzling, lava-covered worlds nestled tightly around their stars can retain their atmospheres. At such close quarters, intense stellar radiation should strip away a planet’s air.
Scientists have developed a new acoustic levitation technique using an ultrasonic beam capable of levitating and moving small objects in midair over distances of up to 40 cm (16 inches), six times farther than previously achieved using conventional methods. The study, carried out by a research team from the University of Tsukuba in Japan and the University of Bristol, was published in the journal Physical Review Letters.
It has been a busy month for astronomy. In the midst of an eclipse season bookended by the total solar eclipse on Aug. 12 and the deep partial lunar eclipse coming up this week on Aug. 28, an outbound comet hanging high in the dawn sky just refuses to die: 220P/McNaught.
For decades, light has been used to understand the molecular structures of matter. A sample is irradiated with light, and measurements determine the wavelengths at which it is absorbed. Since each molecule absorbs light at very specific wavelengths that depend on its structure, the resulting absorption spectrum acts like a molecular fingerprint. For individual molecules, however, this signal is vanishingly small and mostly indistinguishable from noise.
Scientists from the National University of Singapore (NUS), in collaboration with Los Alamos National Laboratory in the United States, have uncovered that a class of nickel-based materials known as samarium (Sm)-based infinite-layer nickelates can regain their superconducting ability under strong magnetic fields. This behavior could open a promising pathway toward superconducting technologies that can operate under extreme magnetic conditions.
The sheriffs filed the suit on Aug. 25 as the Local Cops, Local Crimes Act took effect; the suit argues that the agreements are sanctioned by the U.S. Congress
Detecting short-wave infrared (SWIR) light, a region of the electromagnetic spectrum just beyond the light visible to the human eye, could be advantageous for many real-world applications. For instance, it could enable more advanced systems for capturing images at night, as well as sophisticated medical imaging, environmental monitoring and industrial inspection technologies.
Scientists could have a new way to explore the hidden behavior of matter, thanks to research involving Queen Mary University of London that uses a quantum computer to carry out a new form of computational spectroscopy.
Planets form from disks of gas and dust around young stars, but the gas needed for growth does not last forever. New observations from NASA’s James Webb Space Telescope (JWST) now offer a new view of how this gas escapes and how the process changes as young planetary systems develop.
In late December, 350 troops were deployed to the city to boost public safety; a slimmed-down deployment was extended through August
Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have demonstrated a promising new way to protect fragile quantum information using nothing but mechanical vibrations—essentially extremely small sound waves. The breakthrough, which comes from the lab of Marko Lončar, Tiantsai Lin Professor of Electrical Engineering, paves a path toward compact, sound-based quantum networks on chips, as well as hybrid quantum systems that combine many different types of quantum bits, or qubits.
Elon Musk’s SpaceX announced plans Tuesday to build a $100 billion facility in the southern U.S. state of Louisiana to launch its anticipated Starship megarockets, currently being developed at the company’s Texas Starbase.
Diffusion is a fundamental natural phenomenon that can be observed across a wide range of length and time scales. It plays a key role in many fields, including physics, biology and economics. In particular, asymmetric or directional diffusion of particle systems has attracted growing interest for practical applications, including the development of unconventional artificial intelligence (AI) hardware, where it could enable nonlinear, geometry-controlled information processing.
Astronomers can’t see dark matter directly, but they know it’s there: Its gravity shapes galaxies and the large-scale structure of the cosmos. In an effort to uncover the composition of this hidden mass, a team at Lawrence Livermore National Laboratory (LLNL) is pursuing evidence of particles that exist beyond the standard model of physics.
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