Phys.orgGeoffrey Hinton, soft-spoken godfather of AIFor a brief moment in spring last year, the bird-like features of bespectacled British-born researcher Geoffrey Hinton were poking out from TV screens across the world.Oct 08, 2024
Phys.orgDetecting Planck-scale dark matter by leveraging quantum interferenceWhile various studies have hinted at the existence of dark matter, its nature, composition and underlying physics remain poorly understood.Oct 08, 2024
Phys.orgNobel Prize in physics awarded to 2 scientists for discoveries that enabled machine learningJohn Hopfield and Geoffrey Hinton—who is known as the Godfather of artificial intelligence—were awarded the Nobel Prize in physics Tuesday for discoveries and inventions that formed the building blocks of machine learning and artificial...Oct 08, 2024
Phys.org'Invisibility' and quantum computing tipped for physics NobelAn "invisibility cloak", an atomic force microscope or quantum computing are some of the scientific achievements that could win a Nobel prize in physics Tuesday.Oct 08, 2024
Phys.orgThe Nobel Prize in physics is being awarded, a day after 2 Americans won the medicine prizeThe Nobel Prize in physics is being awarded Tuesday, a day after two American scientists won the medicine prize for their discovery of microRNA.Oct 08, 2024
Phys.orgDigging into neutrino research: LBNF-DUNE project moves forward with excavation of 800,000 tons of rockAs a kid, you may have tried to dig a hole in your backyard to reach China. Obviously, that didn't happen. But digging out a lot of ground can be quite productive. Instead of reaching another country, the scientists, engineers, and...Oct 07, 2024
Phys.orgPhysicists and psychologists track social phases in human movementObservations of preschool children in classrooms and playgrounds have uncovered new social phases in human movement. Employing ultra-wideband radio frequency identification (UWB-RFID) technology allows for the precise tracking of...Oct 07, 2024
Phys.orgAI predicts optical properties to speed up the discovery of energy and quantum materialsResearchers from Tohoku University and the Massachusetts Institute of Technology (MIT) have unveiled a new AI tool for high-quality optical spectra with the same accuracy as quantum simulations, but working a million times faster,...Oct 07, 2024
Phys.orgNear-Earth asteroid data help probe possible fifth force in universeIn 2023, the NASA OSIRIS-REx mission returned a sample of dust and rocks collected on the near-Earth asteroid Bennu. In addition to the information about the universe gleaned from the sample itself, the data generated by OSIRIS-REx might...Oct 07, 2024
Phys.orgStopping off-the-wall behavior in fusion reactorsFusion researchers are increasingly turning to the element tungsten when looking for an ideal material for components that will directly face the plasma inside fusion reactors known as tokamaks and stellarators. But under the intense heat...Oct 07, 2024
Phys.orgUnlocking heat management with quantum thermal transistorsScientists are finding ways to use quantum effects to create groundbreaking thermal devices that can help cool electronic systems. The quantum thermal transistor is one of the most exciting innovations in this field. While the current...Oct 07, 2024
Phys.orgHarnessing magnetic relaxation: 'Pac-Man effect' enables precise organization of superparamagnetic beadsParticles that are larger than regular molecules or atoms yet remain invisible to the naked eye can form a variety of useful structures, including miniature propellers for microrobots, cellular probes, and steerable microwheels designed...Oct 04, 2024
Phys.orgNiobium-tin magnet could be key to unlocking potential of heavy-ion acceleratorResearchers from Berkeley Lab's Accelerator Technology & Applied Physics (ATAP) Division have teamed up with colleagues from Michigan State University's Facility for Rare Isotope Beams (FRIB), the world's most powerful heavy-ion...Oct 04, 2024
Phys.orgScientists achieve unprecedented control of active matterAn international research team led by Brandeis University has achieved a major breakthrough in the field of active matter physics, as detailed in a study published this week in Physical Review X. This pioneering research offers the first...Oct 04, 2024
Phys.orgQuantum communication: Using microwaves to efficiently control diamond qubitsIn a first for Germany, researchers at the Karlsruhe Institute of Technology (KIT) have shown how tin vacancies in diamonds can be precisely controlled using microwaves. These vacancies have special optical and magnetic properties and can...Oct 04, 2024
Phys.orgDirect measurement of a subtle current phase relation shows potential for more stable superconducting qubitsIn recent years, quantum physicists and engineers have made significant strides toward the development of highly performing quantum computing systems. Realizing a quantum advantage over classical computing systems and enabling the stable...Oct 04, 2024
Phys.orgHexagonal magnetic defects could lead to energy-efficient neuromorphic computingArtificial intelligence applications are experiencing a boom and expected to be mainstream technologies in the near future. However, these applications run on classic computing hardware and are extremely power-hungry.Oct 03, 2024
Phys.orgA new tool for faster, more in-depth analysis of nuclear properties and mass dataA significant advancement in nuclear-data analysis has been achieved, which is relevant for several key areas, ranging from particle and nuclear physics to clean energy and health care. Researchers have developed a new tool to process...Oct 03, 2024
Phys.orgPhysicists achieve strong coupling of Andreev qubits via microwave resonatorPhysicists from the University of Basel have succeeded in coupling two Andreev qubits coherently over a macroscopic distance for the first time. They achieved this with the help of microwave photons generated in a narrow superconducting...Oct 03, 2024
Phys.orgEngineers create a chip-based tractor beam for biological particlesMIT researchers have developed a miniature, chip-based "tractor beam," like the one that captures the Millennium Falcon in the film "Star Wars," that could someday help biologists and clinicians study DNA, classify cells, and investigate...Oct 03, 2024
Phys.orgQuantum researchers come up with a recipe that could accelerate drug developmentUniversity of Copenhagen mathematicians have developed a recipe for upgrading quantum computers to simulate complex quantum systems, such as molecules. Their discovery brings us closer to being able to predict how new drugs will behave...Oct 03, 2024
Phys.orgLogic with light: Introducing diffraction casting, optical-based parallel computingIncreasingly complex applications such as artificial intelligence require ever more powerful and power-hungry computers to run. Optical computing is a proposed solution to increase speed and power efficiency but has yet to be realized due...Oct 03, 2024
Phys.orgAs the Advanced Photon Source upgrade nears completion, scientists anticipate experimental possibilitiesIn June, X-rays began to shine again at the U.S. Department of Energy's (DOE) Advanced Photon Source (APS), a facility where intense, directed X-ray light beams are used to inspect everything from materials for better solar cells and...Oct 02, 2024
Phys.orgQuantum research paves the way toward efficient, ultra-high-density optical memory storageAs our digital world generates massive amounts of data—more than 2 quintillion bytes of new content each day—yesterday's storage technologies are quickly reaching their limits. Optical memory devices, which use light to read and write...Oct 02, 2024
Phys.orgNew materials and techniques show promise for microelectronics and quantum technologiesAs phones and computers shrink in size, our need for data storage and transfer is growing. Electronic devices have been powered by semiconductors for decades, but as the push to miniaturize continues, there's a limit to how small...Oct 02, 2024
Phys.orgScientists develop a new model of electric double layerA new model accounts for a wide range of ion-electrode interactions and predicts a device's ability to store electric charge. The model's theoretical predictions align with the experimental results. Data on the behavior of the electric...Oct 01, 2024
Phys.orgOnly 5 women have won the Nobel Prize in physics—recent winners share advice for young women in the fieldOut of 225 people awarded the Nobel Prize in physics, only five have been women. This is a very small number, and certainly smaller than 50%—the percent of women in the human population.Oct 01, 2024
Phys.orgScientists demonstrate advanced low-coherence BOCDR system using periodic pseudo-random modulationScientists have successfully demonstrated a low-coherence Brillouin optical correlation-domain reflectometry (BOCDR) system that overcomes longstanding challenges related to spatial resolution and measurement range in mapping strain and...Oct 01, 2024
Phys.orgResearchers observe hidden deformations in complex light fieldsEveryday experience tells us that light reflected from a perfectly flat mirror will give us the correct image without any deformation. Interestingly, this is not the case when the light field itself is structured in a complex way. Tiny...Oct 01, 2024
Phys.orgProof-of-concept design shrinks quantum rotation sensor to micron scaleAtom interferometers are quantum sensors that use the wave-like nature of atoms to measure gravity, acceleration and rotation with exceptional precision.Oct 01, 2024
Phys.orgUsing antimatter to detect nuclear radiation: Byproducts of fission reactors provide insight into nuclear reactor useNuclear fission reactors act as a key power source for many parts of the world and worldwide power capacity is expected to nearly double by 2050. One issue, however, is the difficulty of discerning whether a nuclear reactor is being used...Oct 01, 2024
Phys.orgA modular neutrino detector years in the makingResearchers at the U.S. Department of Energy's SLAC National Accelerator Laboratory have joined collaborators from around the world to build a prototype neutrino detector that has now captured its first neutrino interactions at Fermi...Oct 01, 2024
Phys.orgResearchers harness liquid crystal structures to design simple, yet versatile bifocal lensesResearchers have developed a new type of bifocal lens that offers a simple way to achieve two foci (or spots) with intensities that can be adjusted by applying external voltage. The lenses, which use two layers of liquid crystal...Oct 01, 2024
Phys.orgFirst-ever teleportation of logical qubit using fault-tolerant methodsA team of engineers and physicists at quantum computing company Quantinuum has conducted the first-ever teleportation of a logical qubit using fault-tolerant methods. In their paper published in the journal Science, the group describes the...Oct 01, 2024
Phys.orgNew insights into exotic nuclei creation using Langevin equation modelResearchers have introduced a model based on the Langevin equation that offers new insights into the formation of exotic nuclei. This development could enhance the ability to produce rare isotopes that are valuable for various applications...Sep 30, 2024
Phys.orgHeadband-like device uses speckle contrast optical spectroscopy to predict stroke riskA team of researchers from the Keck School of Medicine of USC and California Institute of Technology (Caltech) have developed a potential new way to measure a person's stroke risk that is cost-effective and noninvasive, akin to a cardiac...Sep 30, 2024
Phys.orgA new apparatus for analyzing partial coherence in integrated photonic networksAnyone familiar with optics labs is familiar with the extremes of light coherence: laser beams are highly coherent, producing clear interference patterns used for precise applications like atomic manipulation or precise sensing. In...Sep 30, 2024
Phys.orgA new and unique fusion reactor comes together due to global research collaborationLike atoms coming together to release their power, fusion researchers worldwide are joining forces to solve the world's energy crisis. Harnessing the power of fusing plasma as a reliable energy source for the power grid is no easy task,...Sep 30, 2024
Phys.orgSome 500 scientists to be impacted when Europe lab CERN cuts Russia tiesEurope's physics lab CERN said Sunday that some 500 scientists linked to Russian institutes will be affected when it stops cooperation with Russia in late November as planned.Sep 30, 2024
Phys.orgInverse-design method enhances performance and reliability of on-chip spectrometersIn a study published in Engineering, researchers from Nanjing University of Aeronautics and Astronautics and Zhejiang University have unveiled a pioneering approach to designing on-chip computational spectrometers, heralding a new era of...Sep 27, 2024
Phys.orgResearch team succeeds in ultra-fast switching of tiny light sourcesExtremely thin materials consisting of just a few atomic layers promise applications for electronics and quantum technologies. An international team led by TU Dresden has now made remarkable progress with an experiment conducted at...Sep 27, 2024
Phys.orgFrom branches to loops: The physics of transport networks in natureAn international team of researchers described how loops, crucial for the stability of such networks, occur in transport networks found in nature. The researchers observed that when one branch of the network reaches the system's boundary,...Sep 27, 2024
Phys.orgNonlinear optical metasurface achieves electrically tunable third-harmonic generationA recent study has unveiled a transformative nonlinear optical metasurface technology. This new technology, characterized by structures smaller than the wavelength of light, paves the way for significant advancements in next-generation...Sep 27, 2024
Phys.orgSmashing heavy ions together could produce the world's strongest electric fieldsLab experiments around the globe that are gearing up to recreate the mysterious phase of matter found in the early universe could also produce the world's strongest electromagnetic fields, according to a theoretical analysis by a RIKEN...Sep 27, 2024
Phys.orgAccelerator lab provides detailed data on the 'magic' N=50 neutron shell closureResearchers from the Department of Physics of the University of Jyväskylä (Finland) have found new information about the strength of the so-called magic neutron number 50 shell closure in the silver isotope chain.Sep 27, 2024
Phys.orgNew upgrade will supercharge atomic vision of the world's most powerful X-ray laserThe Department of Energy (DOE) has given the green light for construction to begin on a high-energy upgrade that will further boost the performance of the Linac Coherent Light Source (LCLS), the world's most powerful X-ray free-electron...Sep 27, 2024
Phys.orgDiscovering quasiparticles ejected from color centers in diamond crystalsA research group led by University of Tsukuba has observed the cooperative behavior of polaron quasiparticles formed by the collective interaction of electrons and lattice vibrations around color centers in diamond crystals.Sep 27, 2024
Phys.orgExploiting quantum squeezing to enhance precision of measurements in systems with multiple factorsQuantum squeezing is a concept in quantum physics where the uncertainty in one aspect of a system is reduced while the uncertainty in another related aspect is increased.Sep 27, 2024
Phys.orgOrbital angular momentum monopoles discovery propels orbitronics forward in energy-efficient techOrbital angular momentum monopoles have been the subject of great theoretical interest as they offer major practical advantages for the emerging field of orbitronics, a potential energy-efficient alternative to traditional electronics....Sep 27, 2024
Phys.orgBalloon mission tests quantum sensor technologyA WashU team launched the Dilution Refrigerator Transition Edge Sensor (DR-TES) mission on Sept. 24 from NASA's scientific balloon facility in Fort Sumner, N.M. The mission is testing a sophisticated cooling system and a novel gamma-ray...Sep 26, 2024