Articles tagged with Applied Physics
Researchers at Durham University have identified a medieval text written by Benedictine monk Gervase of Christ Church Cathedral Priory as the earliest known account of ball lightning in England. The description, composed around 1200, matches historical and modern reports of the phenomenon.
Harvard researchers create first topological acoustic transistor, utilizing sound waves to control flow on and off. The device demonstrates scalable and controllable 'acoustic switches' with potential applications in efficient noise reduction, ultrasound imaging, and more.
Kanazawa University scientists design a zero-latency amplitude detector for high-speed atomic force microscopy, significantly improving temporal resolution. The new detector enables faster recording of biological processes with higher video frame rates and reduced invasiveness.
Researchers developed a promising alternative to traditional wet-chemistry methods using plasma-enabled surface engineering. The technology can create contact-killing, antifouling, and drug-release surfaces, accelerating antimicrobial material development.
Researchers developed soft manipulators based on pneu-nets, mimicking biological systems like elephant trunks and octopus tentacles. These structures can grasp and manipulate soft objects with increased flexibility.
EG-CNTFET biosensors have demonstrated high sensitivities toward several analytes, but challenges remain to overcome, such as selective detection in complex media.
Researchers at Aarhus University have developed a simple analytical model to predict chip formation and optimize surface finish in manufacturing processes. The study reveals the critical cutting depth for almost every material, tool geometry, and running conditions, minimizing tool wear and improving product quality.
Researchers from Lawrence Berkeley National Laboratory, Georgia Institute of Technology, and the University of California, Berkeley, describe advances in understanding phase change materials for thermal energy storage. Better understanding liquid state physics may help accelerate technology development for the energy sector.
Researchers created a 3D imaging system using multimode optic fibers, overcoming limitations of scrambling and enabling high-resolution imaging. The system can scan a scene at nearly 23,000 points per second and record near-real-time 3D video.
Researchers developed AI that extracts hidden equations of motion from observational data, creating models faithful to the laws of physics. This enables physics-based investigations and simulations for ecosystem sustainability, among other applications.
Researchers have developed smart transformable nanoparticles that can alter their size and shape in response to physiological conditions, improving particle circulation, biodistribution, and targeted therapy for cancer theranostics. These particles promise enhanced tumor diagnoses and treatment by adapting to the physiology of tumors.
Researchers developed a molecular device that converts infrared light to visible light, expanding detection capabilities. The device uses tiny vibrating molecules and metallic nanostructures to enhance conversion efficiency.
Scientists at Chalmers University of Technology discovered a way to create a stable resonator using two parallel gold flakes in a salty aqueous solution. The structure can be manipulated and used as a chamber for investigating materials and their behavior, with potential applications in physics, biosensors, and nanorobotics.
Researchers at Göttingen University have developed a new X-ray imaging method to detect changes in neuronal cell nuclei, indicating altered activity of neurons. This technique enabled the identification of changes in neurons in Alzheimer's disease.
Researchers categorize origami- and kirigami-based mechanical metamaterials into six groups based on folding and cutting patterns. Hybrid designs offer great potential for shape morphing and real-world applications.
A team of computer scientists has developed a secure identity verification method based on zero-knowledge proof, ensuring that information cannot be replicated by hackers. The new method uses two physically separated prover-verifier pairs to confirm identities, eliminating the possibility of collusion and increasing security.
Researchers at University of Copenhagen have developed a new quantum circuit that can operate and measure all four qubits simultaneously. This breakthrough resolves a significant engineering headache in the development of large functional quantum computers.
Researchers from The University of Tokyo Institute of Industrial Science have found that drones can be used as communication bases with underwater robotic devices (AUVs) for ocean surveys. UAVs offer high-speed observations, mobility, and resistance to ocean currents, making them suitable candidates for this application.
Researchers developed a novel spintronic-metasurface terahertz emitter that generates broadband, circularly polarized, and coherent terahertz waves. The design offers flexible manipulation of the polarization state and helicity with magnetic fields, enabling efficient generation and control of chiral terahertz waves.
Researchers use physical reservoir computing to teach robots to think like humans by simulating brain signals. The system enables goal-directed behavior without additional learning, highlighting a potential breakthrough in AI development.
Researchers at University of Michigan developed a method to predict EV battery life by measuring internal resistance, providing a quick and inexpensive step in development. This approach uses low-level charge measurements to estimate battery lifespan, potentially reducing testing time from weeks to seconds.
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.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences have developed a simple spatial light modulator made from gold electrodes covered by a thin film of electro-optical material. This device can control light intensity and pixel by pixel, enabling compact, high-speed, and precise optical devices.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences developed a metasurface using ultra-deep holes to focus light to a single spot, achieving a record-breaking aspect ratio of nearly 30:1. This breakthrough enables the creation of large achromatic metalenses with diverse color control capabilities.
Researchers developed an attention-based deep neural network to detect multiple ship targets, exceeding conventional networks' performance. The model focused on inherent features of the two ships simultaneously, outperforming traditional approaches.
A Texas A&M University study found that physics outreach programs have a positive effect on both students and their audiences, boosting confidence, skills, and career readiness in STEM fields. The programs provide experiential learning opportunities beyond classrooms, promoting deeper understanding and enhanced job prospects.
Researchers from Tokyo University of Science developed a computationally quick approach to predict molten droplet solidification on a solid surface. The model simulates the solidification process by considering the droplet behavior and heat transfer between the hotter droplet and cooler surface, replicating experiments with high accuracy.
Researchers have found a way to stabilize the novel quantum effect in graphene at room temperature, which could lead to breakthroughs in data storage and computer components. The discovery was made using standard microfabrication techniques and showed that the material can generate its own magnetic field.
Using observations, lab experiments, theory, and computation, researchers have developed a simple theory to explain the form and growth of apples' cusp-like features. The team found that mechanical instability and underlying fruit anatomy play joint roles in giving rise to multiple cusps in fruits.
The 2021 Fall Meeting of the APS Division of Nuclear Physics presents cutting-edge research on nuclear astrophysics, quantum technology, and rare isotopes. Researchers will discuss breakthroughs such as the most precise measurement of neutron lifetime and novel experiments measuring neutron skin in calcium.
Researchers have measured the transverse electrical resistivity of a single carbon fiber using the van der Pauw method, revealing directional-dependent properties. This discovery paves the way for developing lightning strike protection technologies for aerospace and other industries.
A recent study employs machine learning to guide the design of novel materials for CO2 capture, identifying elemental composition and textural properties as key factors. The research team's findings suggest prioritizing adsorption parameters and surface area optimization for high CO2 adsorption efficiency.
A team of researchers from Harvard and MIT observed hydrodynamic electron flow in three-dimensional tungsten ditelluride for the first time using a new imaging technique. The findings provide a promising avenue for exploring non-classical fluid behavior in hydrodynamic electron flow, such as steady-state vortices.
Researchers at Aalto University created unexpected droplet shapes, including squares and hexagons, by disrupting thermodynamic equilibrium with electric fields. The liquids formed into interconnected lattices and torus shapes, stable for a controlled duration.
Researchers designed a tubular phononic crystal to sense biochemical and physical properties of liquids. The device demonstrates sensitivity to liquid density and speed of sound, making it suitable for sensing applications.
Researchers generate circularly polarized light at room temperature, a breakthrough for optical quantum information processing. The device uses strained semiconductors to produce twisting 'chiral' valley-polarized light, promising vast data storage capabilities.
Researchers discovered that particulate emissions from auxiliary heaters can be significantly higher than those of idling gasoline vehicles, raising concerns about their environmental impact. The study highlights the need for further research on the use and development of heaters to reduce emissions.
Lehigh University researchers are developing a model to understand the impact of grain growth on material properties. The project aims to create new materials informatics methods, innovative stochastic differential equations, and models of grain growth to improve material performance and reliability.
Researchers found that thin films in black tea are strengthened by chemically hardened water, making it suitable for packaged tea beverages. Conversely, acidic components like citrus reduce film visibility and add flavor to dried tea mixes.
Researchers at Arizona State University studied the physics behind humans balancing coffee while walking, revealing a natural mode of flexibility that mimics human motion. The findings can be used to design smart robots to adaptively handle complex objects in changing environments.
Researchers from India and Saudi Arabia have combined oxidation and photocatalysis to create a heterogeneous photo-Fenton system that degrades phenols at higher rates than individual approaches. The system is highly photostable and reusable, making it promising for practical applications in wastewater purification.
Scientists at the Max Planck Institute and PPPL confirm a major advance in stellarator performance, achieving temperatures twice as great as the sun's core. The XICS diagnostic instrument revealed a sharp reduction in neoclassical transport, a type of heat loss that has historically been greater in classical stellarators.
Researchers at Pusan National University have developed a novel electrocatalyst that can effectively produce hydrogen and oxygen from water at low cost. The catalyst, composed of transition metal phosphates, achieves high surface area and fast charge transfer, making it suitable for commercial on-site production of hydrogen.
UMass Lowell students have designed and built a miniature satellite, SPACE HAUC, which will be launched into Earth's orbit this fall. The satellite aims to demonstrate fast data transmission technology, and its success will train the next generation of astronomers and space scientists.
Researchers at the University of Bonn developed a method to visualize laser beams in a vacuum, allowing for precise alignment of individual atoms. This breakthrough enables faster and more accurate quantum optics experiments, potentially leading to advancements in computing and materials science.
The study reveals that the capacity of sodium ions can match today's lithium-ion batteries, offering a cost-efficient and abundant alternative for energy storage. The unique structure of Janus graphene enables high-capacity energy storage, with specific capacities approaching those of lithium in graphite.
Researchers from Tokyo University of Science developed a self-powered diaper sensor that monitors urine sugar levels, providing an alternative biomarker for blood sugar monitoring. The sensor uses a biofuel cell powered by glucose in the urine, detecting sugar levels within 1 second and simplifying caretaking tasks.
Scientists have successfully visualized the molecular motion of a highly unstable compound, 10-mesityl-1,8-bis(trifluoromethyl)-9-phosphaanthracene, using novel spectroscopic techniques. The study revealed unprecedented molecular motions and structure information, shedding light on its radical reactivity and potential applications.
A University of Missouri researcher is using a grant from the National Science Foundation to explore how time can factor in a building collapse. She's conducting thousands of hours of laboratory tests to determine the breaking points of reinforced concrete building materials.
A research team at POSTECH has developed a biocompatible nanomotor that mimics life's autonomous motility using glucose as fuel. The nanomotors exhibit directional propulsion, overcoming Brownian motion, and show potential for intracellular targeted drug delivery and precise cell manipulation.
Researchers at Harvard SEAS have demonstrated a new way to control polarized light using metasurfaces, enabling holographic images with an unlimited number of polarization states and manipulation in virtually infinite directions. This advancement could lead to applications in imaging, microscopes, displays, and astronomy.
Researchers at Aalto University have discovered that fibrous red phosphorous, when electrons are confined in its one-dimensional sub-units, shows large optical responses. The material demonstrates giant anisotropic linear and non-linear optical responses, as well as emission intensity.
A team of researchers from Tokyo Institute of Technology developed a novel imaging method using metal-atom tracers in HAADF-STEM to determine the conformational structures of complex polynuclear coordination compounds. The technique achieves accurate visualization of highly branched molecules, filling a gap in structural analysis.
A new study developed a wearable technology-based method to assess myoclonus symptoms in the home environment. The method, which measures electrical neuromuscular function and movement, correlates well with assessments performed by experienced physicians.
Scientists demonstrate a new technique to generate magnetic waves in antiferromagnets, producing speeds much larger than the speed of sound. This discovery could lead to future electronic devices with reduced power consumption.
The University of Washington is leading a new NSF institute focused on using artificial intelligence to understand dynamic systems, which describe chaotic situations where conditions are constantly shifting and hard to predict. The institute aims to integrate fundamental AI theory with applications in critical technological areas.
Researchers simulated 3 million swimming race times to show that certain quartzite oscillator-based devices round times incorrectly. This can result in changes of one one-hundredth of a second, potentially affecting the outcome of sporting events.
Scientists have discovered a novel way to classify magnetized plasmas, which could lead to advances in harvesting fusion energy on Earth. The discovery reveals that a magnetized plasma has 10 unique phases, with transitions between them supporting localized wave excitations.
Researchers developed a synthetic tree to enhance solar steam generation, which can turn solar energy into heat to harvest drinking water. The tree overcomes the limit in capillary force by mimicking transpiration, allowing for increased efficiency and scalability.
Photodynamic therapy has shown promising results in treating respiratory tract infections and some types of cancer. Adding antibodies to the treatment can increase its efficacy, making it an attractive option for rapid responses to pandemics. The new approach uses viral antibodies attached to light-absorbing molecules to target viruses...