Researchers at TU Wien have successfully described the 'teapot effect' with a theoretical analysis and experiments. The effect occurs when a liquid is poured out of a teapot too slowly, causing it to dribble down the outside of the pot due to an interplay of inertia, viscous, and capillary forces.
A new study by Vanessa Ruta and her team found that dopamine neurons in fruit flies correlate strongly with ongoing behavior, reflecting motivation or goal underlying actions. The activity of these neurons not only encode mechanics of movement but also provide moment-to-moment reinforcement, guiding beneficial actions.
Historical context of black hole thermodynamics investigated through Roger Penrose's energy extraction theory and its influence on Stephen Hawking's groundbreaking discovery of black hole radiation. The study explores the connections between Western and Soviet physicists, shedding new light on the development of this field.
Researchers created a shape-shifting material that can morph into any stable shape, enabling independent control of geometry and mechanics. The totimorphic structural materials have the potential to be used in robotics, biotechnology, architecture, and other applications.
A team of scientists developed a photon-counting distributed free-space spectroscopy (PDFS) to analyze atmospheric gas composition. The method provides range-resolved spectra of CO2 and HDO over 6 km, offering insights into chemical processes in the atmosphere.
Researchers found that quantum mechanics' influence on particles affects light emission, demonstrating wavefunction collapse and altering interference patterns. The study sheds new light on the counter-intuitive phenomenon, revealing a direct connection between light emission and quantum entanglement.
The California NanoSystems Institute has launched a new Quantum Biology Center at UCLA, focusing on community-building and interdisciplinary research collaborations. The center aims to train students and scientists in the quantum biosciences and explore the application of quantum mechanics to biological processes.
Scientists use statistical mechanics to explore the phenomenon of gene regulation's rhythmic changes in expression levels across the genome. They found that DNA molecules' changing shape is crucial to gene expression, potentially reconciling major theories on the topic.
Researchers built a robot that mimics the movement of mantis shrimp, which can deliver impressive forces. The study sheds light on the biology of mantis shrimp and reveals how they control their movements using geometry.
Physicists have successfully tested the theory of generalized hydrodynamics in one-dimensional gases, demonstrating its accuracy in simulating out-of-equilibrium quantum systems. This breakthrough could greatly simplify the study of such systems and eventually inform the development of quantum-based technologies.
Scientists develop robotic model of mantis shrimp strike, revealing geometric latching process behind ultra-fast movements. The device accelerates to 26 meters per second, equivalent to a car reaching 58 mph in four milliseconds.
Scientists develop a quantitative model to explain ultra-high fluxes in covalent organic frameworks (COFs) films, enhancing water desalination and purification. The work reveals mechanisms of enhanced evaporation through nanochannels, reducing vapor diffusion length and preventing salt crystallization.
Researchers used full-dimensional quantum dynamics to investigate the non-adiabatic quenching of OH radicals by H2, finding good agreement with experimental results and resolving a theoretical flaw. The study highlights the importance of accurate modeling in understanding complex chemical reactions.
Researchers at C-Crete Technologies have developed a method that utilizes deep learning to quickly predict and design novel hybrid organic-inorganic materials, offering improved materials design for various industries. By feeding quantum mechanics calculations to layered machine learning based on artificial neural networks, they can un...
A Cornell-led study reveals that certain metals, like copper oxide-based superconductors, exhibit chaotic electron behavior governed by the Planckian limit. This limit dictates an upper bound on collision rates, which researchers have accurately measured for the first time.
Researchers developed a mechanical theory to determine the critical force required for needle insertion in soft materials like skin, discovering that tissue toughness and needle radius play crucial roles. The model provides quantitative predictions and may impact future technology like self-administered disposable pads with microneedles.
Scientists at the University of Leeds have developed an approach to control the structure and mechanics of synthetic biomaterials made from proteins. By removing specific chemical bonds, known as 'protein staples,' they altered the structure of a protein network, resulting in different mechanical properties.
Physicists have finally experimentally documented the melting of Wigner Crystals into a liquid in response to quantum fluctuations, a long-sought-after goal in the field. The study used a novel experimental technique to observe this transition in atomically thin semiconductor bilayers.
Researchers demonstrate a novel measurement paradigm dubbed Robust Weak Measurement, measuring an anomalous weak value with a single photon detection event. The team obtains an observable with eigenvalues in the range [-7,7] and reports a weak value of the pre- and postselected system on which a single-click measurement was performed.
Physicist Generalized the Measurement Postulate in Quantum Mechanics, explaining state collapse and partial measurement, supported by the WISE interpretation and delayed choice experiment. The paper proposes a new understanding of wavefunction and its relation to the quantum system.
Researchers at Princeton University developed a new reconfigurable structure, called bigon rings, that can change shape under variable conditions. The technique, inspired by lace making, has potential applications in space exploration, wearable technology, and other fields.
A team of researchers discovered the method ducks use to suspend water in their feathers while diving, allowing them to shake it out when surfacing. They found that by using multiple layers of feathers, ducks can create air pockets that prevent irreversible wetting, enabling them to shake off excess water.
Panayiotis 'Panos' Diplas, a Lehigh University professor, has been awarded the 2021 Hunter Rouse Hydraulic Engineering Award for his fundamental contributions to turbulence in sediment transport and ecohydraulics. The award is presented by ASCE's Environmental and Water Resources Institute.
Researchers developed an aerogel for therapeutic use using a kitchen freezer and plant cellulose, demonstrating its potential for controlled release of medication and wound dressing. The material's density can be as low as 2kg per cubic meter, making it lightweight yet durable.
Researchers at Harvard University used ultracold chemistry to test current quantum theories on chemical reactions, mapping the quantum frontier. They collected data on 57 possible reaction channels, confirming accuracy of statistical theory for most but revealing significant deviations in others.
A new method using quantum mechanics increases energy transfer in organic solar cells, allowing for simpler structure and improved durability. This discovery has the potential to significantly increase the efficiency and reduce the cost of producing organic solar cells.
Researchers have successfully demonstrated direct observation and measurement of quantum entanglement at a macroscopic scale using vibrating membranes. This breakthrough enables the extension of measurements to larger systems, with potential implications for quantum computing and fundamental physics research.
Researchers at UC3M's 4D-BIOMAP project have developed magneto-active polymers that can alter mechanical properties, stiffness, and shape. These materials could be used in epithelial wound healing stimulation, soft robots, and artificial muscles, revolutionizing biomedical engineering.
A University of California San Diego engineering professor has solved the mystery of deep-focus earthquakes, which originate between 400 and 700 kilometers below the Earth's surface. Her new theory explains how high pressures cause olivine rock to transform into denser spinel, leading to volume collapse and seismic waves.
Researchers used broadband electron spin resonance spectroscopy to study the properties of spins in a triangular lattice compound. They found that magnetic moments do not arrange themselves in an up-down pattern, contradicting the existence of quantum spin liquids.
Researchers developed a novel assembly technique to fabricate CQD-assembled microspheres with high thermal stability and efficient light-matter coupling. Single-mode lasing is achieved at temperatures up to 450 K, paving the way for large-scale industrial production.
Scientists quantify space-time nonseparability of electromagnetic pulses using quantum state tomography and calculate fidelity, concurrence, and entanglement. They propose novel concepts for measuring space-time entanglement in structured light, opening new avenues for ultrahigh-capacity communication and high-security encryption.
Isaac Elishakoff, a distinguished research professor at FAU, has received the coveted Blaise Pascal Medal for his outstanding contributions to science and technology. The award recognizes his pioneering work in various areas of applied mechanics research and education.
A team of researchers from University of Warsaw and China found quantum states that can only be distinguished using complex numbers, proving their importance in quantum mechanics. Complex numbers were initially considered purely mathematical but have been shown to play a fundamental role in the theory.
Researchers successfully ignite lean methane/air mixtures using intense fs-lasers, achieving a 100% ignition success rate with sub-mJ energy. The approach has general applicability to complex combustion conditions and provides possibilities for ultrafast physical/chemical processes investigation.
Researchers at MIT used computer simulations to model the mechanical response of coronaviruses to ultrasound vibrations. They found that frequencies between 25-100 megahertz triggered shell and spike collapse within a millisecond.
Researchers successfully connected two crucial equations, bridging relativity and quantum mechanics. Prof. Chen's work introduces bold ideas to solve previously unsolved equations.
Researchers discovered that green sulfur bacteria exploit quantum mechanics to move energy between pathways depending on oxygen presence. This phenomenon, vibronic mixing, helps the bacterium conserve energy while avoiding damage from oxygen.
A multidisciplinary team of scientists has developed a new way to detect phase transitions in raw data by analyzing its intrinsic dimension, a statistical property that reveals collective properties of partition functions. This method is agnostic and does not require prior knowledge of the system's parameters.
Scientists have successfully created a vector beam with an unprecedented 5 degrees of freedom, exceeding the previously reported 2 DoFs. This breakthrough exploits ray-wave duality in a frequency-degenerate laser to generate a non-separable output that combines periodic number, transverse index, oscillating phase, and astigmatic degree.
A Swansea University scientist's research explores how geometrical characteristics affect physical theories, revealing the need for contextual understanding in quantum mechanics. The study determines the structural properties that make a theory prone to contextuality.
A University of Texas at Arlington researcher is studying the mechanics of blast-like events and their impact on brain cells. He aims to track bubble formation and its effects on brain tissue, with a goal of preventing traumatic brain injuries. The study will also explore the role of glial cells as shields against trauma.
A study by researchers from Linköping University found that men are discriminated against in female-dominated occupations during the application process. Discrimination was observed in jobs such as nursing, childcare, and house cleaning, but not in male-dominated fields like auto mechanics or IT development.
The Brenner base tunnel is being investigated for its geothermal potential, with researchers aiming to use drainage water for climate-friendly heating and cooling of houses. The project aims to develop a sustainable system that can be implemented in other existing tunnel structures.
A researcher at Hiroshima University has proposed a method to test the precision of measurements in quantum systems. By using a qubit as an external probe, he demonstrates that different measurements can accurately determine the same physical property before measurement, even when values change based on the procedure.
A team of researchers used a quantum computer to explore non-Hermitian quantum mechanics and demonstrated experimental results that are forbidden by regular Hermitian quantum theory. They also showed that entanglement can be altered in a way that is not possible under regular quantum physics.
Scientists developed a comb-like etching regulated growth process to fabricate graphene nanoribbon arrays in a template-free CVD system. The approach allows for precisely controlling over width, edge structure, and orientation of graphene nanoribbons with high quality and uniformity.
Researchers perform an experiment that adds or subtracts a single phonon to a high-frequency sound field using laser light interactions. The team's findings show that subtracting a single phonon increases the average number of quanta, defying intuition. This result opens a new path for quantum science and technology with sound waves.
Researchers at UT Austin will develop methods to validate the cost and scalability of autonomous cargo operations, leveraging machine learning and computational engineering. The team aims to address public concerns about noise pollution, safety, and emissions through mathematical models and terrain-based surface design.
A new turbulence model can simulate entire vortex collision events up to 100 times faster than current state-of-the-art techniques. This allows engineers to design better aircraft and weapon systems without waiting months for supercomputer calculations.
Cell velocity depends on surface stickiness, and researchers have figured out the precise mechanics. A mathematical model captures forces involved in cell movement, matching experimental results for various cell types. The findings could provide new targets to interrupt tumor metastasis.
Researchers at University of California - Santa Barbara have created a new way to detect dark ions using laser-cooled radium molecules. This breakthrough allows for precise measurements of ion motional frequency and mass, enabling sensitivity to time symmetry violations in quantum mechanics.
Scientists at EPFL demonstrate a state of vibration that exists simultaneously at two different times, showing entanglement between light and vibration. This finding creates a bridge between daily experience and the realm of quantum mechanics, paving the way for ultrafast quantum technologies.
Researchers developed lattice models to predict nonlinear surface morphology evolution with multiple mode transitions in hyperelastic bilayers. They revealed an intricate post-buckling phenomenon involving successive bifurcations, advancing fundamental understanding of nonlinear morphological transitions.
A team led by FSU researcher Kourosh Shoele is working to improve face mask design using flow physics, mechanics, and facial topology data. They hope to develop computational tools that standardize guidelines for face mask design, enabling more effective masks for a broader range of users.
Scientists have found a way to characterize the degree of quantumness in physical systems, which is essential for understanding quantum computing and sensing advantages. By analyzing extrema states, researchers identified a mathematical representation called Majorana constellation, which covers more of the sphere as quantumness increases.
A new study shows that warmer oceans cause hurricanes to weaken more slowly after making landfall, leading to more destruction inland. Researchers found that stored moisture is the key factor behind this phenomenon, allowing hurricanes to sustain themselves for longer.
Ali Abolmaali, chair of UTA's civil engineering department, is a recognized authority on computational mechanics and synthetic fiber reinforced concrete pipes. He has secured over $36 million in research funding from various agencies.
Scientists at University of Rochester and Cornell University have developed a nanoscale node made of magnetic and semiconducting materials that can interact with other nodes using laser light. The device uses entanglement, a phenomenon in quantum mechanics, to connect quantum nodes across a remote network.
Scientists at Peter the Great St.Petersburg Polytechnic University propose a mathematical model to analyze the effect of neural stimulation by ultrasonic waves on electrical signals in nerves. The study aims to improve treatment methods for severe neurological disorders such as epilepsy and chronic depression.