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Physicists from Heinrich Heine University Düsseldorf (HHU), the Technical University of Darmstadt, Sapienza University in Rome and the University of Camerino (both in Italy) have calculated the fundamental laws of thermodynamics for a gas composed of spinning particles. In the scientific journal Proceedings of the National Academy of Sciences (PNAS), they demonstrate that the pressure of this gas is similar to that of a normal gas but at an elevated temperature. In addition, localized surface currents arise that can be used for targeted particle transport.
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The suit accused the Baltimore PD and nine LEOs involved in Clarence Shipley Jr.’s case of failing to adequately investigate, failing to disclose leads and fabricating evidence
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Lorain Police stated that a Flock camera identified the license plate of a 16-year-old accused of murdering his grandfather minutes after the man was reported to be fleeing in a vehicle
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A new study using data from NASA’s Hubble Space Telescope finds that star formation in the nearby Andromeda galaxy has undergone a 500-million-year decline, with an even steeper drop in the last 40 million years. Andromeda, a spiral galaxy comparable in size to our Milky Way, is close enough to be seen with the unaided eye from areas with dark skies. Located about 2.5 million light-years from Earth—practically our cosmic backyard—Andromeda offers an opportunity for astronomers to examine its stellar populations in detail, leading to a better understanding of the past of galaxies like our own.
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A new concept from Warwick researchers could help solve one of the biggest challenges to building large-scale quantum computers: enabling communication between vast numbers of quantum bits (qubits) over long distances across a single chip.
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Mercury was long considered the exception to the rule that magnetic planets have radiation belts similar to Earth’s Van Allen belts, but a new study by University of Michigan Engineering and the University of California, Berkeley, suggests otherwise—Mercury occasionally has such a layer of radiation in its magnetic field.
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A fleeting photoinduced electronic state and the subsequent formation of a photoinduced hidden state in a metal–organic framework were captured in just 30 femtoseconds by researchers at Science Tokyo, Tohoku University and Nagoya Institute of Technology, Japan. By combining ultrafast laser spectroscopy with theoretical analysis, the researchers found that a transient electronic state plays a key role in this process. The findings provide new insights into controlling material properties with light for future applications.
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Light typically interacts with a material the same way whether it enters through the front or the back—like polarized sunglasses that work the same from either side. Cornell researchers have demonstrated a simple route to breaking that symmetry, opening new possibilities for photonics and quantum information processing.
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The expansive red bluffs of Western Australia’s Yilgarn Craton give the landscape a Martian appearance. It turns out the resemblance is more than superficial: The Yilgarn Craton also shares geological characteristics with lakes in Mars’ Terra Sirenum region. T. A. Plattner and colleagues recently characterized those shared features to shed light on the region’s aqueous history and its potential to have supported life in an article published in the journal Earth and Space Science.
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“Dead stars” known as white dwarfs have already shown the potential to help us better understand how planetary systems, including our own solar system, take shape and evolve. Now, research from the University of Michigan and the University of Colorado Boulder suggests that potential could be even greater than anticipated.
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Quasars, distant cores of galaxies powered by supermassive black holes, are among the most luminous objects in the universe. While not uncommon, their brightness can make it difficult to accurately measure the galaxies they reside in. This means scientists must use gravitational lensing to assist in analyzing these bright objects, a method that relies on studying how an object’s strong gravity bends light around its host galaxy. Yet despite their own powerful gravity, quasars that can act as lenses are rare.
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A team of astronomers at the University of North Carolina at Chapel Hill has observed an extremely rare “wandering” black hole located tens of thousands of light-years from the center of its galaxy. This finding could reshape scientists’ understanding of how massive black holes move through the universe after galaxies collide. The findings are published in The Astrophysical Journal Letters.
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Integrated photonic devices—tiny circuits that use light instead of electrons—are becoming increasingly important for scalable photonics technologies and high-bandwidth communications. They are particularly valuable for managing low-power, light-based data transfer inside data centers, which are needed for artificial intelligence, cloud computing and high-performance signal processing.
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The suspect was shot and killed during an altercation with officers after he injured one with a knife, Madison Police stated; officers were not wearing body cameras
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The Jefferson Police officer shot the suspect as he got out of his vehicle and ran at him with a knife; the suspect then stabbed the officer in the face
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