Researchers at the University of York have developed a quantum-based method to distribute secure information along communication lines, potentially preventing serious security breaches. By using a detector-independent design, they reduced vulnerabilities in current systems and enabled secure information exchange across the internet.
A team of mathematical physicists has developed a new theoretical calculation that predicts new possible states for quantum particles that have received a photon. These states are distinct from conventional coherent states and can be applied to various models satisfying shape-invariance conditions.
Two joint projects between IST Austria and French research institutes will study how polarity, shape and mechanics of cells control cell division. Johann Danzl and Olivier Thoumine investigate the role of synaptic adhesion molecules in synapse function using optically controlled molecules and high-resolution optical imaging.
Researchers at Johns Hopkins University have detected electrical dipole fluctuations in a quantum material at extremely low temperatures, revealing a new property of quantum matter. The study uses Raman spectroscopy to observe the irregular oscillations of tiny charged poles on the material.
At temperatures near absolute zero, systems of atoms violate basic laws of statistical mechanics and thermodynamics. A novel non-equilibrium state, coined as dynamical glass phase, is observed where energy is not evenly distributed, leading to a new understanding of complex systems.
Researchers at Penn State have developed a new nanoparticle-based drug delivery system that targets cancer cells using mechanical properties of diseased cells. The 'mechanotargeting' approach outperforms existing 'chemotargeting' strategy in delivering drugs to targeted cells.
Researchers create method to detect individual phonons, enabling study of phonon decay and its implications for quantum technologies. The technique uses ultra-short laser pulses to excite and probe phonons in diamond crystals.
Computational statistical mechanics was born from numerical models of fluids developed in the 1950s, initially as a pet project by physicists. These Monte Carlo and Molecular Dynamics simulations were later confirmed through clever applications of importance sampling, proving reliable evidence for describing matter.
A team of researchers has successfully created a microscopic drum that can simultaneously vibrate and stand still, a phenomenon known as quantum superposition. This breakthrough is expected to enable the development of ultra-precise sensors and new types of transducers.
Researchers have created a bioengineered heart valve that emulates native heart valves and functions well after transplantation into sheep. The tissue-engineered heart valve demonstrated improved valve mechanics and tissue structure, and remodeled itself in a similar fashion to native heart valves over time.
Researchers have observed stronger-than-binary correlations in quantum mechanics for the first time, utilizing three-dimensional entangled photon sources. The experiment, conducted 8 meters apart, demonstrates the existence of such correlations, which could lead to a deeper understanding of fundamental problems in quantum theory.
Researchers studied liquid sheet behavior in open space without air interaction, considering vacuum oil with variable viscosity and surface tension. They found instabilities due to temperature gradients and surface tension gradients, which can lead to fragmentation of the sheet into droplets.
Researchers connected microscopic theories to the world's largest granular material, a glacial ice mélange, to understand its dynamics and impact on glaciers. The study provides quantitative tools for glaciologists modeling ice shelves with ice mélanges.
Researchers at UW-Madison have developed a new approach to noninvasively measure tendon tension while a person is engaging in activities like walking or running. The technology uses vibrational characteristics to assess tendon force, providing insights into motor control and mechanics of human movement.
Researchers at NIST developed a quantum method to generate random numbers guaranteed by quantum mechanics. The new technique surpasses previous methods and enhances security in cryptographic systems. By analyzing correlations between distant photons, the researchers certified and quantified randomness available in the data.
Scientists at Lomonosov Moscow State University have developed a new theory explaining the inertial lift force acting on finite-sized particles in microchannels. This phenomenon enables efficient particle sorting, including separation of healthy cells from cancerous ones.
Christa Fluehmann and colleagues demonstrate a way to measure position and momentum with minimal disturbance, enabling precise measurements in a limited range. This relaxation of the uncertainty principle has fundamental implications for quantum mechanics and opens up possibilities for practical applications like quantum computing.
A study examined human ancestors' walking and climbing capabilities, revealing that humans' straight-legged gait provides improved walking economy but also allows for enhanced hip extension. This enabled early hominins like Ardipithecus ramidus to develop a balance between improved walking economy and climbing ability.
Researchers have developed a biocompatible synthetic material that replicates tissue mechanics and alters color when it changes shape, like chameleon skin. The material is composed of a unique triblock copolymer with carefully selected structural parameters, exhibiting flexibility, strain profile, and optical properties.
Physicist Yasha Neiman proposes a new vantage point on space-time geometry, combining holography and twistor theory to develop a full-fledged quantum gravitational theory. This framework aims to unify quantum mechanics and General Relativity, overcoming current challenges in fundamental theory.
Researchers develop new theoretical framework to describe quantum causal structures transformation. They found that continuous and reversible dynamics prevent definite causal structure from becoming indefinite, but specific circumstances can determine the causal order.
Scientists have built a computational microscope that can simulate atomic and subatomic forces driving molecular interactions. The tool streamlines efforts to understand chemistry, model large systems, and develop new pharmaceutical agents.
A recent study by Penn State researchers has found that fluctuations in rainfall in Uganda are linked to an increased risk of infant hydrocephalus, a buildup of fluids in the brain cavities. The research used satellite data and climate models to identify vulnerable areas for epidemic diseases, paving the way for preventive measures.
Astronomers have discovered that all galaxies rotate at the same rate, with a sharp edge containing older stars, gas, and young stars. This regularity helps understand galaxy mechanics, enabling more efficient observations and reduced processing power.
Physicists Sebastian Deffner and Anthony Bartolotta developed techniques for describing the thermodynamics of very small systems with high energy, which could lead to a better understanding of the birth of the universe. They found that in their model system, the system was more likely to return multiple particles upon sending in just one.
A Caltech researcher has found that the Schrödinger Equation governs the evolution of massive astrophysical disks. The equation, typically used for subatomic systems, describes how warps and distortions emerge in these disks over millions of years. This surprising discovery could provide new insights into complex astronomical phenomena.
Machine learning techniques can reconstruct a quantum system based on relatively few experimental measurements, allowing scientists to thoroughly probe complex systems exponentially faster than conventional methods. This method benefits the development of quantum computers and other applications of quantum mechanics.
A team of University of Wisconsin-Madison engineers has discovered new materials that could enable solid oxide fuel cells to operate at lower temperatures, increasing efficiency and reducing costs. The researchers used quantum mechanics-based computational techniques to screen over 2,000 candidate materials, yielding a list of 52 poten...
Researchers at Lehigh University aim to elucidate the biomechanical mechanism of Ebola-host cell interaction using computational molecular adhesion mechanics and single-molecule force spectroscopy. Their goal is to provide new pharmacological targets for antiviral drug development.
A Virginia Tech student research team has discovered the Melt Mat, a thermally absorptive blanket that increases melting rates by threefold without any effort or energy input. The product can be used on residential driveways, sidewalks, parking lots, and athletic fields to save municipalities millions and homeowners from snow shovel duty.
Researchers at OIST have discovered a simple solution to the mystery of transitional flow, a phenomenon that has puzzled engineers for over 130 years. By analyzing individual patches of smooth and chaotic flow, they found that the law of resistance can be applied using Reynolds's original laws.
Researchers have developed a new family of aerodynamic configurations, called Hypersonic I-shaped Aerodynamic Configurations (HIAC), which aim to improve the efficiency and lift of hypersonic aircraft. The designs feature an extra wing that captures high-pressure airflow, resulting in a significant increase in lift coefficient and drag...
Researchers at Caltech and ETH Zürich created a systematic design method for metamaterials using quantum mechanics. They can engineer materials to manipulate incoming waves, such as bending light or reflecting sound waves. This breakthrough could lead to widespread use of metamaterials in various applications.
A consortium of UK and European universities will test the validity of quantum superposition principle using a tiny glass particle levitated in a vacuum. The experiment aims to determine if quantum mechanics apply at larger scales, with implications for quantum technology applications.
Researchers discovered snakes use unique skin movement to propel themselves forward in a straight line. This rectilinear locomotion gives them an advantage in confined spaces and could inform robotics for search-and-rescue operations and underwater inspections.
Researchers propose a new interpretation of quantum mechanics, where the wave function represents a real existence rather than a mathematical description. This idea is demonstrated through an encounter-delayed-choice experiment, showing that a quantum object can exhibit both particle and wave behavior depending on the measurement.
Recent research suggests up to 5% of modern humans' DNA originated from Neanderthal populations, sparking questions about species' genetic makeup. Dr. Anthony J. Tosi's new NSF-funded project aims to investigate the evolutionary mechanics of hybridization across a primate radiation.
Scientists have created a liquid one hundred million times more dilute than water and one million times thinner than air by cooling down potassium atoms to -273.15 degrees Celsius. The liquid droplets exhibit fascinating macroscopic behavior due to quantum fluctuations, allowing researchers to study unique quantum effects.
A research team from Kiel University has successfully placed a new class of spin-crossover molecules onto a surface and improved their storage capacity. The result could theoretically increase the storage density of conventional hard drives by more than one hundred fold, enabling data carriers to be made significantly smaller.
A Northwestern University team creates quantum entanglement from a biological system using green fluorescent proteins. This finding advances scientists' understanding of biology and opens doors to exploit quantum mechanics for new applications.
A team of physicists from Harvard University has developed a special type of quantum computer, known as a quantum simulator, which is programmed by capturing super-cooled rubidium atoms with lasers. The system could shed new light on material properties and complex optimization problems.
Scientists create 3D metamaterials that twist when compressed using computer simulations and laser microprinting. The material can respond in a chiral way, challenging classical solid mechanics, and could have applications in space missions, optics, and prosthetics.
Bittner's research aims to optimize pathways for energy conversion, using an algorithm that predicts electronic coupling and nuclear motions. The algorithm, developed with collaborators, can perform thousands of calculations months on a high-performance computer.
Researchers from Washington University in St. Louis and University of Rochester use quantum mechanics to measure frequency with unprecedented accuracy, reducing uncertainty by a factor of 100. This breakthrough has potential applications in various fields, including MRI medical imaging, navigation, and astronomy.
TU Graz is awarding €2 million to the 'Mechanics, Modeling and Simulation of Aortic Dissection' project and €1.5 million to the 'Porous Materials @ Work' project to advance research in biomechanics and materials sciences. The funding will support the development of simulation models and algorithms to diagnose and treat aortic dissections.
Scientists have developed a new theory of molecular evolution that explains how genes function and why proteins evolve. The theory applies statistical mechanics to understand protein evolution at a basic level, revealing the importance of amino acid interactions and sequence entropy of folding.
Researchers have developed a new quantum simulation protocol to understand key properties of interacting quantum field theories. The protocol uses cold atoms as controllable quantum sensors to measure the generating functional, a fundamental concept in quantum field theory.
Barry Simon has made significant contributions to mathematical physics, including spectral theory, phase transitions, and geometric phases. His work has deeply influenced generations of researchers through his influential books, such as 'Methods of Modern Mathematical Physics'.
Researchers XiaoMing Li and ShiJun Liao found more than 600 new families of periodic orbits in the three-body problem using a new numerical simulation strategy. The discovery could lead to a deeper understanding of the system's behavior, with implications for our knowledge of chaotic dynamics.
Researchers at Florida State University found that the heaviest and rarest elements do not follow traditional rules of quantum mechanics. Instead, Albert Einstein's Theory of Relativity governs their behavior, revealing unusual chemistry patterns. The study sheds new light on these lesser-known elements.
Researchers studied the movement of acetone droplets on water using a simplified model and three independent approaches, finding that ignoring surface tension's curvature leads to accurate calculations. The study has implications for understanding complex phenomena like droplet gliding and measurements like the Langmuir balance.
Researchers at US Army Research Laboratory have made breakthroughs understanding entanglement structure in quantum systems with long-range interactions. Entanglement enables ultra-secure communication, precise measurement, and powerful computers.
Researchers are learning how animals overcome environmental challenges through shared strategies, inspiring new designs for robots and flying vehicles. The study of complex physiological systems and the intersection of physics and organismal biology is a rapidly advancing field with promising applications.
Researchers developed a theoretical method to calculate biomolecule conformations and demonstrate consistency with experimental results. The model sheds light on the role of amino acid structures in protein functions, revealing potential for extrapolating properties to larger systems.
Research reveals that prey use both speed of approach and proximity of predator to calculate best escape route, leading to a more nuanced understanding of self-preservation instincts. The study also sheds light on the neural mechanics that fuel this fundamental behavior in animals, including humans.
A mobile health app called SuperBetter improved concussion symptoms and optimism in teens who used it daily alongside standard medical treatment. The app incorporates social game mechanics and a heroic narrative to help teens cope with unresolved concussion symptoms, promoting healthy habits and reduced risk of depression.
Scientists at the University of Vienna and Tel Aviv have conducted the first experiment testing standard quantum theory with massive molecules, placing upper bounds on higher-order interference. The researchers used a nanofabricated mask to create a diffraction pattern that followed expectations of standard quantum mechanics.
Research at RIT develops new precision quantum sensing solutions using levitated optomechanics, capturing data with improved accuracy. The study aims to create smaller and lighter sensors for various applications, including detecting gravitational waves and perfecting quantum computing.
Researchers at SISSA shed light on the microscopic origin of thermodynamics by showing that isolated systems exhibit increasing entropy due to entanglement with the rest of the system. This resolves the paradox between quantum mechanics and thermodynamics, providing new insights into the behavior of extended quantum systems.
Researchers have discovered a novel approach to controlling quanta using the tennis racket effect, which can visualize fault-tolerant manipulation of quanta. This breakthrough enables faster and more efficient quantum computing, with potential applications in secure networks and ultrafast quantum computers.