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To monitor the amount and type of nuclear material at power plants and weapons facilities, scientists look for a special signal—the unique pattern of gamma rays emitted by specific radioactive elements. However, some of these elements also emit X-rays in the same energy range as the gamma-ray emissions, masking the signal and making nuclear stockpiles […] Within tiny halos of light clinging to a vanishingly thin wisp of optical fiber, scientist Jongmin Lee guides atoms like marbles through a narrow pipe. Rock the fiber and the atoms shift side by side; they just don’t fall off. But don’t be deceived by the seemingly delicate nature of his experiment. Lee is exploring […] Quantum technologies are poised to transform fields ranging from medicine and sensing to computing and communications by manipulating the energy states of atoms and molecules. These manipulations are achieved by controlling quantum states with laser pulses. Go to Source So far, quantum computers have been held back by their extreme sensitivity to errors and external disturbances. The longer a quantum operation takes, the greater the risk of computational errors. Go to Source Tiny manufacturing imperfections in optical components normally go unnoticed. Yet they can alter light in surprisingly significant ways. An international research team led by TU Darmstadt has shown that such imperfections can affect not only polarization—the direction in which light oscillates—but also the spatial shape of a light beam. Go to Source […] Deputy Michael Hendricks, 33, “showed up every day ready to serve,” Charleston County Sheriff Carl Ritchie said; Hendricks joined the agency in April 2023 and most recently served on the Metro Unit Go to Source “The NYPD will have a significant presence … working alongside the United States Secret Service and our federal, state, and local partners,” Commissioner Jessica Tisch stated Go to Source The man is accused of posting AI-edited images of a Whitpain Township official and police officer, as well as identifying family members and posting home addresses online Go to Source The 9/11 Memorial & Museum is adding a permanent seventh moment of silence to honor first responders, recovery workers and survivors who died from 9/11-related illnesses Go to Source The man became agitated after he spoke with a Kern County deputy about a noise complaint; he retrieved a sword and ran after the deputy shouting, “kill me!” Go to Source Body camera video shows Dayton Police officers pulling residents from the wreckage while the suspect attacked, bit and tried to grab the gun from officers taking him into custody Go to Source The crash killed the Cessna pilot and left two helicopter pilots seriously injured Go to Source Bridgeport Police Officers returned fire after a man who was fleeing from them ran into a home and fired shots at them from inside; no one was wounded in the shootout Go to Source A few hundred million years after the Big Bang, the first stars ignited—literally the “let there be light” moment for the universe. Now known to astronomers as Population III, or Pop III, stars, these giants were very different from the stars we know today. They formed from pristine hydrogen and helium, with almost no “metal” […] Senegalese engineers in hairnets and white gloves are carefully assembling a nanosatellite at a French lab—another step toward fostering their own space industry back home. Go to Source |
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