You can’t see, feel, hear, taste or smell them, but tiny particles from space are constantly raining down on us.
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You can’t see, feel, hear, taste or smell them, but tiny particles from space are constantly raining down on us. Go to Source A research team led by Kuang Guangli and Jiang Donghui at the High Magnetic Field Laboratory of the Hefei Institutes of Physical Science of the Chinese Academy of Sciences (CHMFL), has developed a “pocket-type” high-temperature superconducting (HTS) coil, achieving a record combined magnetic field of 44.86 tesla. Go to Source When it comes to understanding the universe, what we know is only a sliver of the whole picture. Go to Source One of the great successes of 20th-century physics was the quantum mechanical description of solids. This allowed scientists to understand for the first time how and why certain materials conduct electric current and how these properties could be purposefully modified. For instance, semiconductors such as silicon could be used to produce transistors, which revolutionized electronics […] A team of researchers at the University of Waterloo have made a breakthrough in quantum computing that elegantly bypasses the fundamental “no cloning” problem. The research, “Encrypted Qubits can be Cloned,” appears in Physical Review Letters. Go to Source Ripples spreading across a calm lake after raindrops fall—and the way ripples from different drops overlap and travel outward—is one image that helps us picture how a quantum computer handles information. Go to Source Quantum mechanics and relativity are the two pillars of modern physics. However, for over a century, their treatment of space and time has remained fundamentally disconnected. Relativity unifies space and time into a single fabric called spacetime, describing it seamlessly. In contrast, traditional quantum theory employs different languages: quantum states (density matrix) for spatial systems […] Researchers from the Department of Energy’s SLAC National Accelerator Laboratory and the University of California, Los Angeles (UCLA), have designed innovative technology that can generate both high-energy and high-brightness electron bunches in an accelerator that is a fraction of the size of current particle accelerators. Go to Source When observing small worms under a microscope, one might observe something very surprising: the worms appear to make a sweeping motion to clean their own environment. Physicists at the University of Amsterdam, Georgia Tech and Sorbonne Université/CNRS have now discovered the reason for this unexpected behavior. Go to Source Researchers at Kumamoto University, in collaboration with colleagues in South Korea and Taiwan, have discovered that a unique cobalt-based molecule with metal–metal bonds can function as a spin quantum bit (spin qubit)—a fundamental unit for future quantum computers. The findings provide a new design strategy for molecular materials used in quantum information technologies. Go to […] Quantum computers, systems that process information leveraging quantum mechanical effects, could soon outperform classical computers on some complex computational problems. These computers rely on qubits, units of quantum information that share states with each other via a quantum mechanical effect known as entanglement. Go to Source Quantum theory and Einstein’s theory of general relativity are two of the greatest successes in modern physics. Each works extremely well in its own domain: Quantum theory explains how atoms and particles behave, while general relativity describes gravity and the structure of spacetime. However, despite many decades of effort, scientists still do not have a […] Quantum particles have a social life, of a sort. They interact and form relationships with each other, and one of the most important features of a quantum particle is whether it is an introvert—a fermion—or an extrovert—a boson. Go to Source When quantum particles work together, they can produce signals far stronger than any one particle could generate alone. This collective phenomenon, called superradiance, is a powerful example of cooperation at the quantum level. Until now, superradiance was mostly known for making quantum systems lose their energy too quickly, posing challenges for quantum technologies. Go to […] Researchers working on China’s fully superconducting Experimental Advanced Superconducting Tokamak (EAST) have experimentally accessed a theorized “density-free regime” for fusion plasmas, achieving stable operation at densities well beyond conventional limits. Go to Source |
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