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University of Glasgow researchers are part of an international collaboration that could lead to a new generation of quantum sensors. The team, which included researchers from the University of Tokyo, University of Glasgow, University of Sheffield and Kobe University, has for the first time used light to read out the magnetic spin of electrons trapped inside a porous crystalline material known as a metal-organic framework (MOF).
The Trump administration signaled DOJ attorneys will argue the law violates the Supremacy Clause of the Constitution, which states that federal laws override state and local laws
NASA’s SPHEREx (Spectro-Photometer for the History of the universe, Epoch of Reionization, and ices Explorer) space telescope is shedding light on brown dwarfs, celestial objects that blur the line between stars and exoplanets. New findings published in The Astrophysical Journal show that these dark and cloudy worlds have chemically rich atmospheres not unlike the giant planets in our own solar system.
Artificial intelligence is increasingly becoming part of our everyday lives, from digital assistants to robots that respond to their surroundings. Each of these capabilities is based on physical computational processes that consume energy. An international research team led by Hans Briegel from the Department of Theoretical Physics at the University of Innsbruck, Austria, has investigated the physical limits on the efficiency with which intelligent systems process information. Their findings are published in Physical Review X.
Quantum computers, computer systems that leverage the laws of quantum mechanics, store and process information using qubits (i.e., quantum bits). In many quantum computers, qubits are linked via entanglement, a quantum mechanical effect that connects particles in such a way that their shared state cannot be described as separate, independent states.
Four astronauts returned to Earth from the International Space Station on Thursday after hurrying there eight months ago to replace an ailing colleague and his crew.
In a study led by Tampere University, researchers have developed a new lensless imaging method that produces precise quantitative data on living cells from a single image. The compact system can be placed inside a standard cell-culture incubator, allowing living cells to be monitored continuously for hours or even days without staining or other labels. The research is published in the journal Applied Physics Letters.
Predicting a system’s final outcome from its initial state is the ultimate goal for many physicists. In certain complex systems, however, this goal is thwarted by chaos, where even the subtlest tweaks to the initial state can lead to completely different fates, making the system almost impossible to predict.
Molecules can be placed in a wide variety of quantum states. How can these states be distinguished in measurements when theoretical models are unreliable? Which excitation process lies behind which measurement signal?
Quantum technologies are considered key technologies of the future. However, research in this field requires not only scientific expertise but sometimes also highly specialized laboratory conditions. Bose–Einstein condensates are a remarkable example, in which atoms move in lockstep, making quantum-mechanical effects visible not only at the level of individual atoms but also on a macroscopic scale. The first Bose–Einstein condensates were observed in ultracold atomic gases at temperatures close to absolute zero. The cooling required to achieve this was technically demanding, costly and restricted to specialized laboratories.
From spiders spinning their webs to the manufacturing of textiles, the formation of fibers from liquids plays an important role in both nature and industry. Yet accurately predicting the properties of such fibers remains a challenge. The fiber is often much thinner than the nozzle from which a polymer or solution is extruded. Factors such as temperature, flow conditions and chemical reactions ultimately determine a fiber’s thickness and strength.
In some materials, physical properties don’t emerge from their individual particles, but from the collective behavior of their quantum spins. Now, researchers led by Pengcheng Dai at Rice University in the U.S. have discovered that in one compound containing the rare-earth element ytterbium, these spins can behave much like the molecules in a liquid crystal: favoring a certain direction without lining up to create magnetism on larger scales.
Former Lawrence Police officer Stuart Bishop is being held on a requested charge of felony intimidation for allegedly sending “targeted,” threatening messages to current officers
Astronomers have detected and traced the most distant fast radio burst ever recorded, a powerful flash of radio waves that traveled for more than 10 billion years across the cosmos before reaching Earth.
As Cambridge Police officers instructed a man to exit his vehicle, he reached under his seat, pulled out a handgun and pointed it at an officer
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