Articles tagged with Applied Physics
Researchers at the University of Michigan developed a pair of sensors that can detect ice and freezing rain, alerting pilots to potential hazards and reducing crashes. The sensors use microwaves and lasers to detect ice on planes and roads, potentially saving lives by slowing down drivers and preventing accidents.
A research team at Chiba University has overcome the efficiency trade-off to create organic multifunctional devices that can both light up and power themselves. By precisely controlling exciton binding energy, they achieved low voltage loss and full-color operation across the visible spectrum.
Researchers at Rice University replicated Thomas Edison's 1879 light bulb experiment, discovering that the carbon filament used in his design could have produced turbostratic graphene. This finding sparks curiosity about what other information lies buried in historical experiments and how modern techniques can reveal new insights.
Researchers at Heriot-Watt University have developed a method to remove unwanted tissues, such as tumors, with high precision using deep-ultraviolet lasers. The study demonstrates 10-micrometre precision with no detectable collateral damage.
Researchers at the University of Nottingham created intricate 3D printed surface textures that preferentially bounce incident particles in particular directions. This helps keep unwanted particles out of the way, allowing useful particles like atoms to be delivered more efficiently.
The researchers developed a technique to accurately measure energy transfer and conversion within the crystal lattice of germanium following ultrafast laser pulses. They observed how energy flows, transfers, and converts into heat, providing new insights for improving electronic device efficiency.
A new framework models pointing error in QKD optical wireless systems, clarifying its role in degrading secure key generation. The study found that increased beam waist and asymmetrical beam misalignment degrade performance, while increasing receiver aperture size and average photon numbers can improve it.
Scientists at SwissFEL have developed a technique known as X-ray four-wave mixing, allowing them to access coherences in matter for the first time. This breakthrough has the potential to illuminate how quantum information is stored and lost, ultimately aiding the design of more error-tolerant quantum devices.
A team of researchers at Northern Arizona University discovered that fabricated gold, copper and iron nanocrystals exhibit pentagonal constructs resembling natural snowflakes, governed by emergence dynamics. This phenomenon holds key findings for controlling nanomaterial synthesis and advancing the field.
Scientists have found a way to describe topological states in materials where the particle picture breaks down. The discovery sheds light on a new type of behavior, exhibiting spontaneous Hall effect and quantum-critical fluctuations. This finding opens up possibilities for storing quantum information and developing novel sensors.
A team from Harvard and University of Lisbon found that silica, a low-refractive index material, can be used for making metasurfaces despite long-held assumptions. They discovered that by carefully considering the geometry of each nanopillar, silica behaves as a metasurface, enabling efficient design of devices with relaxed feature sizes.
The American Physical Society's Global Physics Summit will convene over 14,000 physicists worldwide for groundbreaking research presentations. The event will feature both in-person and online experiences, including scientific sessions, exhibits, and networking events.
Researchers developed a novel thin-film electrolyte design using samarium-doped cerium oxide, achieving record-setting oxide-ion conductivity at medium temperatures. This innovation addresses key technical limitations of existing solid oxide fuel cells, paving the way for widespread adoption.
Studies in topological condensed matter physics suggest that presenting larger sets of data and disclosing full study details can mitigate misleading 'smoking gun' claims. By exploring alternative scenarios, researchers can reduce confirmation bias and increase the reliability of findings.
Researchers at Jeonbuk National University propose hierarchical porous copper nanosheet-based triboelectric nanogenerators, demonstrating efficient energy harvesting and multifunctionality. The devices achieve a remarkable 590% increase in electrical output while maintaining stability over 100,000 repeated mechanical cycles.
Researchers at the Paul Scherrer Institute have successfully implemented mode-locking to generate coherent trains of X-ray pulses with unprecedented temporal structure. This achievement enables attosecond science and opens up new experimental possibilities, including precise timing of phenomena in gases, liquids, and solids.
Researchers developed a locally active memristive oscillator using vanadium oxide that exhibits rich dynamic behaviors and exceptional frequency-domain information processing capabilities. The device operates at the edge of chaos, amplifying small fluctuations to generate self-oscillations and producing complex responses.
The CHSN01 jacket material has achieved an average yield strength of 1560 MPa at 4.2 K, setting a new benchmark in cryogenic steel properties. This breakthrough demonstrates exceptional mechanical properties, non-magnetic nature, and high-strength performance under extreme conditions.
Researchers have discovered a new method for generating highly stable and precise microwave signals through self-induced superradiant masing. This phenomenon produces long-lived bursts of microwave emission without external driving, paving the way for technological advances in fields like medicine, navigation, and quantum communication.
The article investigates CNT-integrated quartz woven fabric as a cathode material for next-generation lithium-ion batteries. It demonstrates excellent discharge capacity and high capacity retention after multiple charge/discharge cycles.
Researchers developed a physics-constrained, data-efficient AI framework that accurately reconstructs temperature fields from limited sensor data in chiplet-based packaging. The approach achieves high accuracy and generalization without excessive noise, enabling reliable thermal characterization.
Researchers from Chonnam National University propose a novel delay-compensated control strategy that eliminates current sensors in boost PFC converters. This simplifies circuitry, reduces hardware failure points, and enhances power quality, leading to smaller, more efficient, and cost-effective power adapters.
The 2026 Gottfried Wilhelm Leibniz Prizes were awarded to three female and seven male researchers. The winners received €2.5 million in prize money to support their research work for up to seven years. Klaus Blaum, a physicist, was recognized for his high-precision measurements of natural constants and symmetries.
A new AI framework uncovers simple, understandable rules governing complex dynamics in nature and technology. The AI generates equations that accurately describe complex systems, revealing hidden variables that govern their behavior. This approach offers scientists a new way to leverage AI for understanding complex systems.
Scientists developed an objective index for monitoring and detecting shear lines over the Philippines, accounting for up to 20% of extreme rainfall days. The detection method is useful for weather forecasting, early warning systems, and understanding how this weather system evolves.
Researchers at the University of Colorado Boulder have designed a new material called Mesoporous Optically Clear Heat Insulator (MOCHI) that can improve energy efficiency in buildings. The material, which is almost completely transparent, traps air through tiny pores to block heat exchange.
Researchers developed a novel bioelectronic material that transforms from a rigid film to a soft, tissue-like interface upon hydration, enabling seamless integration with living tissues. The device, called THIN, has been shown to record biological signals with high fidelity and stability in animal experiments.
Researchers at Huazhong University of Science and Technology have implemented the first complete public-key encryption system at the physical optical layer. The innovation lies in integrating partially coherent light and reciprocity principles on a single photonic chip to conceal information within random optical fields.
Researchers from the University of Chicago have developed a high-throughput computational strategy to find ideal 2D materials and substrates for qubits. They discovered 189 materials that could potentially support coherence times longer than those of diamond, including WS2 and Au-oxyselenides.
Researchers have developed a new acoustic wave-producing technology on an electronic chip, enabling customizable curved waves for trapping objects, routing wave information, and transporting fluids. This innovation has significant potential in medical applications, such as noninvasive surgery and biosensors.
Researchers engineered a single-layer color-tunable QLEDs technology where color emission is dynamically tunable through voltage modulation, enabling precise control over color transitions. The innovation achieved a record-breaking 5% external quantum efficiency and delivers three pivotal advantages—enhanced color gamut, simplified man...
Scientists developed a Rydberg-atom detector to measure weak terahertz signals, enabling precise spectroscopy and quantum sensors. The detector uses a gas of rubidium atoms in a Rydberg state, tuning them to specific frequencies for calibration.
Quantum technologies have accelerated out of the lab and into the real world, with six leading platforms compared for technology-readiness. The field stands at a turning point, similar to the early computing age, where foundational physics concepts are established but system-level demonstrations must be substantially improved and scaled.
Researchers discovered that a nanostructure in peat can create efficient fuel cell catalysts without precious metals. The study mapped the atomic structure of iron-nitrogen-carbon catalysts, revealing how porosity and curvature affect catalytic activity. This breakthrough offers a sustainable alternative for fuel cells.
A new study found that combining scientific inquiry with practical invention enhances both efforts, leading to more novel and influential work. Researchers who publish and patent simultaneously produce results that are more highly cited and impactful than those who only focus on one activity.
A novel self-charging power supply system integrates triboelectric nanogenerators (TENGs) and micro supercapacitors (MSCs) with an MXene-coated fabric conductive layer, enabling stable operation and efficient energy harvesting. The system can charge MSC arrays to 1.6 V, powering devices for up to 25 seconds with high charging efficiency.
A novel heterostructure composite enhances charge separation and polarization relaxation via dual built-in electric fields, achieving minimum reflection loss of –51.5 dB with minimal thickness of 2.8 mm.
Researchers from Chung-Ang University have developed a novel AI-based approach for producing high-fidelity and defect-aware ultrasonic images, outperforming traditional techniques. This technology has the potential to revolutionize non-destructive testing in industries such as semiconductors, energy, and automotive.
A new technology developed by Fibarcode uses photonic fibers to create unique codes that can be scanned to verify a garment's fabric content and designer labels. The technology has the potential to increase recycling rates and prevent counterfeiting.
Scientists at Max Born Institute and DESY develop a plasma lens that focuses attosecond pulses, improving the study of ultrafast electron dynamics. The technique offers high transmission rates and allows for focusing light across different colors.
Researchers at Kanazawa University developed a new technique to precisely measure nuclear elasticity in living cells, revealing how cancer cell nuclei change stiffness based on chromatin structure and environmental conditions. This finding has potential as a biomarker for diagnosis and treatment evaluation.
The University of Michigan's three-year project, ORACLE, harnesses laser links for power and momentum transfer, enabling satellites to move without fuel. This innovation aims to transform constellations into dynamic, interconnected systems, improving sustainability and resilience.
Researchers reviewed novel photonics breakthroughs of 2024, focusing on coupling free electrons with nonlinear optical states in integrated photonic microresonators. This enables ultrafast electron-beam modulation and novel research opportunities for electron imaging and spectroscopy.
Researchers develop highly tunable spatial heterostructure within pure titanium using mechanical milling and laser powder bed fusion, achieving strength-plasticity synergy and overcoming the strength-plasticity trade-off bottleneck. The resulting harmonic heterostructure endows pure Ti implants with excellent wear resistance.
A recent study from Harvard John A. Paulson School of Engineering and Applied Sciences uses wearable sensor technology and machine learning to estimate ground-reaction forces in runners. This data can provide insights into performance and injury, enabling the development of devices that deliver real-time feedback to users.
A new platform allows researchers to study the forces that bind tiny objects together, revealing insights into self-assembly processes and fundamental forces in nature. The platform uses gold flakes in a salt solution, with light bouncing back and forth through nanometre-sized cavities to display colors.
The study reveals that certain rectangular shapes allow chloroplasts to achieve both efficient light capture at high density and enough space for shifting during strong light avoidance. The natural geometry of Elodea cells matches the predicted optimal shapes well, with a balance between packing and flexibility.
A novel electrochemical method promises to advance understanding of charge transport in materials vital for next-generation batteries and bioelectronic interfaces. The study reveals insights into enhancing the performance of electrochemical systems, including batteries, fuel cells, and sensors.
Electron behavior in solid materials has been puzzling scientists, but a new study reveals that energy alone is not enough for them to escape. The discovery of doorway states explains why different materials exhibit unique behaviors despite similar electron energy levels.
A team from the University of Warsaw developed a new type of all-optical radio receiver based on Rydberg atoms, providing extreme sensitivity and internal calibration. The antenna is powered by laser light, enabling precise control over the lasers and electron dance.
Using extreme ultraviolet high-harmonic interferometry, researchers tracked changes in the electronic bandgap of silica glass and magnesium oxide under strong laser excitation. The study found a shrinking bandgap in silica and a widening bandgap in magnesium oxide.
Scientists observed tiny but spontaneous distortions in the crystal lattice of Cu_xBi_2Se_3 as it entered a superconducting state. This marks the first clear evidence of a topological superconductor coupling to the crystal lattice, advancing understanding of exotic electronic states.
Scientists have developed a programmable electronic circuit that harnesses high-frequency electromagnetic waves to perform complex parallel processing at light-speed. This breakthrough has the potential to power next-generation wireless networks, real-time radar, and advanced monitoring in various industries.
A team of researchers developed a computational method that can design intrinsically disordered proteins with desired properties. The work uses automatic differentiation to optimize protein sequences and leverages molecular dynamics simulations for precision. This breakthrough has the potential to reveal new insights into diseases like...
The USC team created the first optical device that follows the emerging framework of optical thermodynamics, introducing a fundamentally new way to route light in nonlinear systems. The device uses simple thermodynamic principles to guide light naturally, without switches or digital addressing.
Researchers discovered how individual MXene flakes behave at the single-flake level, revealing changes in conductivity and optical response. The new spectroscopic micro-ellipsometry technique allowed for non-destructive measurements of individual MXene flakes, providing fundamental knowledge needed to design smarter technologies.
Aarhus University researchers have developed a transparent layer with silver nanorings that adapts to sunlight intensity, controlling heat entry through glass without dimming the view. The thermoplasmonic effect reduces near-infrared transmission, lowering cooling demand and CO₂ emissions in energy-efficient buildings.
The development of molecular qubits that operate at telecom frequencies enables the creation of ultra-secure communication channels and precise sensing capabilities. These tiny molecules can be integrated into chips and used for computing, communication, or sensing, paving the way for compact quantum devices.
Delta.g, a UK-based quantum technology company, has raised £4.6 million in an oversubscribed seed round to accelerate the development and deployment of its gravity sensing platform. The platform directly tackles gaps in spatial intelligence, delivering high-resolution data for infrastructure, transportation, and dual-use cases.
A new paper in Science reports proven quantum advantage, where entangled light lets researchers learn a system's noise with very few measurements. The experiment cuts the number of measurements needed by an enormous factor, from 20 million years to just 15 minutes.