The death of at least 56 people in a stampede at a soccer stadium in Nzérékoré, Guinea, is the latest example of how quickly mass gatherings can turn catastrophic.
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The death of at least 56 people in a stampede at a soccer stadium in Nzérékoré, Guinea, is the latest example of how quickly mass gatherings can turn catastrophic. Go to Source We tie our shoes, we put on neckties, we wrestle with power cords. Yet despite deep familiarity with knots, most people cannot tell a weak knot from a strong one by looking at them, new Johns Hopkins University research finds. Go to Source Researchers have found a way to manipulate special hybrid particles called polaritons—which behave like both light and matter—at room temperature. The breakthrough enables the use of polaritons in high-speed computing and data processing. Go to Source Science often surprises us with its ability to connect seemingly unrelated phenomena. Have you ever stopped to marvel at how nature arranges itself into intricate patterns, like the spirals of a sunflower or the crystals in frost? These patterns are the result of self-organization, a phenomenon that continues to fascinate scientists and drive exploration. Go […] A team of researchers from the University of Cologne, Hasselt University (Belgium) and the University of St Andrews (Scotland) has succeeded in using the quantum mechanical principle of strong light-matter coupling for an optical technology that overcomes the long-standing problem of angular dependence in optical systems. Go to Source Physicists soon will be closer than ever to answering fundamental questions about the origins of the universe by learning more about its tiniest particles. Go to Source A joint research team led by Yuuki Kubo and Shiji Tsuneyuki of the University of Tokyo has developed a new computational method that can efficiently determine the crystal structures of multiphase materials, powders that contain more than one type of crystal structures. The method can predict the structure directly from powder X-ray diffraction patterns, the […] Scientists at the University of California, Irvine have uncovered the atomic-scale mechanics that enhance superconductivity in an iron-based material, a finding published recently in Nature. Go to Source A research team has clarified the mechanism behind the generation of runaway electrons during the startup phase of a tokamak fusion reactor. The paper, “Binary Nature of Collisions Facilitates Runaway Electron Generation in Weakly Ionized Plasmas,” was published in the journal Physical Review Letters. Go to Source Polarization photodetectors (pol-PDs) have widespread applications in geological remote sensing, machine vision, and biological medicine. However, commercial pol-PDs usually require bulky and complicated optical components and are difficult to miniaturize and integrate. Go to Source In today’s world, the fight against counterfeiting is more critical than ever. Counterfeiting affects about 3% of global trade, posing significant risks to the economy and public safety. From fake pharmaceuticals to counterfeit currency, the need for secure and reliable authentication methods is paramount. Authentication labels are commonly used—such as holograms on bank notes and […] Researchers from Aston University and Abertay University have found that World War One dazzle ships—vessels painted in a type of camouflage pattern to make it difficult for enemies to identify and destroy—weren’t as effective as originally thought. Go to Source Scientists at the University of Würzburg and the German national metrology institute (PTB) have carried out an experiment that realizes a new kind of quantum standard of resistance. It’s based on the Quantum Anomalous Hall Effect. Go to Source Can insights from topology—the study of the properties of 3D objects that persist when an object is stretched or compressed—be applied in the field of quantum information processing? Juan Lin, Shou-Bang Yang, Fan Wu, and Zhen-Biao Yang, researchers at Fuzhou University, China, believe so. Go to Source The quarks that make up the nuclei of all atoms around us are known to “mix”: the different types of quark occasionally change into one another. The amounts in which these processes happen are not very well known, though—and the theoretical values don’t even add up to 100%. UvA-IoP physicist Jordy de Vries and colleagues […] |
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