Articles tagged with Applied Physics
Researchers have developed a novel way to reach the unexplored mesosphere using lightweight flying structures that can float using sunlight. The devices, which were built at Harvard and other institutions, levitated in low-pressure conditions and demonstrated potential for climate sensing and exploration.
Researchers at the University of Rochester have developed a new type of solar thermoelectric generator that can harness thermal energy in addition to sunlight. The device is 15 times more efficient than current state-of-the-art devices, making it a promising source of renewable energy.
Researchers propose a quality management system for quantum technologies to ensure security, interoperability, transparency and accountability. International standards can facilitate cooperation among countries like China, the US, and Europe, creating trust in new technologies.
Physicists from the IFJ PAN in Cracow have successfully produced homogeneous coatings of titanium oxide nanotubes on large metal surfaces, overcoming the obstacle of crystal grain boundaries. The method combines nanoparticle lithography and electrochemical anodization, enabling controlled material properties.
A research team developed an innovative unsupervised model for industrial anomaly detection using paired well-lit and low-light images. The model leverages feature maps, Low-pass Feature Enhancement, and Illumination-aware Feature Enhancement to detect anomalies while remaining lightweight and memory-efficient.
MIT physicists performed an idealized version of the double-slit experiment, confirming light behaves as both a particle and wave. The more information obtained about light's path, the lower the visibility of the interference pattern was.
Researchers predict the existence of a material with hybrid thermal properties, which remains constant over temperature changes. This discovery could advance understanding of materials that manage extreme temperatures and reduce carbon emissions in steel production.
Researchers create metasurfaces to control photons and entangle them for quantum computing and sensing. The discovery could lead to miniaturized optical setups with improved stability, robustness, and cost-effectiveness.
CU Denver engineer Aakash Sahai develops a quantum breakthrough that can help turn sci-fi into reality, enabling the creation of safe gamma ray lasers and accessing the fabric underlying the universe. The technology has the potential to open up new fields of study and have a direct impact on the world.
Researchers developed a hybrid approach combining molecular dynamics simulations and Helfrich theory to evaluate bending rigidities of graphene nanosheets with lattice defects. The study reveals insights for designing novel materials with tailored mechanical properties.
Researchers have successfully integrated indium arsenide quantum dot lasers monolithically on silicon photonic chiplets, achieving low coupling loss and enabling efficient operation at high temperatures. The novel integration technique has the potential to be widely adopted due to its scalability and cost-effectiveness.
A Shanghai Jiao Tong University research team developed non-volatile, programmable micro-ring transceivers using low-loss phase-change material Sb2Se3 on silicon MRR PN junctions. The breakthrough chip achieved 400 Gbps data rate with minimal impact on modulation and detection performance.
Researchers developed a practical solution to verify radiation quality in clinical practice, enabling precise determination of biological effects and effective cancer cell destruction. This innovation allows for better planning and reduced damage to healthy tissues.
Studies compare three helmet materials (ABS, fiberglass, and aluminum alloys) for reducing traumatic brain injury risk in elite athletes. ABS is sufficient for training and recreational sports, while fiberglass or aluminum alloys are recommended for elite athletes due to their unique benefits.
Twisted trilayer graphene creates a pattern that changes the material's properties and can turn it into a superconductor. Researchers used a microscope to probe the properties of supermoiré patterns, revealing new states of matter with precisely controllable properties.
Researchers demonstrated R-STDP synaptic plasticity in a single ferroelectric floating-gate device, enabling SNN to simulate robotic capture tasks with excellent performance. The network achieved a success rate up to 85.5% in dynamic capturing tasks.
Researchers studied atomic-scale defects in single-crystal IGZO to understand its electronic properties. They found that oxygen vacancies and structural disorder contribute to device instability, but also detected a relationship between crystallinity and subgap states.
Researchers at Harvard and TU Wien have developed a new type of tunable semiconductor laser with smooth, reliable, and wide-range wavelength tuning in a simple chip-sized design. This innovation could replace many types of tunable lasers with a smaller, more cost-effective package.
Physicists from Aalto University have measured a transmon qubit coherence time of over a millisecond, surpassing previous records and enabling more complex quantum computations. This breakthrough marks a significant step towards noiseless quantum computing.
A team led by L. Mahadevan found that young anacondas can execute a quick, one-off skating movement called the 'S-start' due to their physical attributes. This movement is similar to sidewinding and could inspire new robotic systems.
Researchers introduced hydrogen into high-quality Ge thin films, reducing hole density by three orders of magnitude. Low-temperature annealing repaired surface defects, further improving device performance and applicability.
Professor Roberto Morandotti has won the 2025 IEEE Photonics Society Quantum Electronics Award for his groundbreaking research on entanglement generation and processing of complex quantum states in photonic devices and systems. His work at INRS's Ultrahigh Speed Light Manipulation Laboratory has led to numerous patents and collaboratio...
A nanometer-thin spacer layer has been inserted into exciplex upconversion OLEDs (ExUC-OLEDs) to improve energy transfer, enhancing blue light emission by 77-fold. This design enables the use of previously incompatible materials, paving the way for lightweight, low-voltage, and more flexible OLEDs.
BingoCGN accelerates real-time large-scale graph neural network inference through cross-partition message quantization and a novel training algorithm, achieving up to 65-fold speedup and 107-fold increase in energy efficiency compared to state-of-the-art accelerators.
Researchers at Aston University have developed a new class of ultralow loss optical microresonators that can be widely tunable and precisely controlled. The devices, formed at the intersection of two optical fibers, hold potential applications in communication, computing, sensing and more.
The UK's first AI for Science Master's programme was launched by King's College London, focusing on interdisciplinary research and education. The programme aims to create a generation of AI-minds ready to tackle scientific challenges, with applications in areas such as biomedicine, chemistry, and materials science.
Researchers at Harvard developed link-bots, centimeter-scale robots composed of V-shaped chains with notched links, capable of coordinated movements and emergent collective behavior. The team demonstrated link-bots' ability to move forward, stop, change direction, squeeze through gaps, and cooperate on tasks.
The Berggren Center for Quantum Biology and Medicine will merge quantum technology with biology to transform medicine, driving the development of revolutionary quantum tools and cultivating bilingual scholars. Researchers will translate quantum advances into clinical solutions, enabling new diagnostics and therapies.
Researchers have developed a new laser device smaller than a penny that can conduct extremely fast and accurate measurements by precisely changing its color across a broad spectrum of light. The laser has applications ranging from guiding autonomous vehicles to detecting gravitational waves, a delicate experiment to observe our universe.
A research team at POSTECH developed a metasurface technology that can display multiple high-resolution images on a single screen, overcoming conventional holographic limitations. The innovation uses nanostructure pillars to precisely manipulate light, allowing for different images based on wavelength and polarization direction.
Researchers at the University of Michigan have demonstrated an efficient blue phosphorescent OLED that can last as long as green OLEDs. The device uses a tandem OLED structure and surface plasmon resonance to improve efficiency.
Seven Clusters of Excellence at LMU Munich have been approved for funding, covering a broad range of fields from systems neurology to quantum science. The successful clusters reflect the university's exceptional commitment and cooperation with partners.
Researchers develop a bulk passivation technique adding TEMPO to perovskite films, boosting efficiency beyond 20% and maintaining performance for several months. The approach is fast, solvent-free, and compatible with roll-to-roll processing, making it promising for large-scale production.
Researchers have developed a technique to create spin in liquid droplets using ultrasound waves, concentrating solid particles suspended in the liquid. This allows for the creation of novel technologies for biomedical applications and research on rotating systems.
Scientists develop high-quality (Ga,Fe)Sb ferromagnetic semiconductor with a record-high Curie temperature of up to 530 K, exceeding previous limits and enabling stable operation at room temperature. The material exhibits excellent crystallinity and superior magnetic properties, making it suitable for spintronics applications.
The AI-driven Distributed Acoustic Sensing (DAS) system leverages narrow-linewidth lasers for real-time acoustic wave propagation information. Data acquisition, preprocessing, and machine learning model construction are key stages in this technology.
The research team developed a solar-powered floating robot that combines photocatalysis, evaporation, and autonomous navigation for efficient water purification. The system uses a hybrid material and responds efficiently to sunlight across a broad spectrum.
The US National Science Foundation-funded ZEUS facility at the University of Michigan has roughly doubled the peak power of any other laser in the country with its first official experiment reaching 2 petawatts. Research at ZEUS will have applications in medicine, national security, materials science and astrophysics.
The study, published in PNAS, discovered a new type of behavior called 'countersnapping' where structures shrink when pulled. This finding has exciting applications in soft robotics, vibration control systems, and wearable exosuits, enabling one-way sliding motion, materials that switch stiffness on demand, and structures that dampen e...
Researchers at TU Wien have discovered a material called murunskite that combines properties of cuprates and pnictides in unexpected ways. Despite the random arrangement of its atoms, murunskite exhibits surprisingly ordered magnetic properties at high temperatures.
The University of Texas at Arlington's nursing and physics team has developed a system to study alpha radiation, improving the effectiveness of radiation therapy. The team's research was recognized with the Best in Physics award at the American Association of Physicists in Medicine's annual meeting.
Researchers developed soft robots that use airflow and simple design to move efficiently without centralized control. The robots' self-oscillating limbs can perform rapid stepping motions and adapt to environmental changes.
A research team from AMOLF created a soft robot that moves with surprising coordination and autonomy, thanks to the principle of physical synchronization. The robot's soft tubes oscillate to create rhythmic locomotion gaits, adapting to obstacles and environments without central control.
Research published in Communications Physics found that eggs are more likely to survive drops when oriented horizontally, contradicting a common classroom science experiment assumption. The study's findings suggest that the shell of an egg can better withstand impact when dropped side-on due to its flexibility around the equator.
A new UK Multidisciplinary Centre for Neuromorphic Computing will be led by Aston University and funded by EPSRC. The centre aims to develop brain-inspired computing technologies to address digital infrastructure's sustainability challenges, leveraging collaborations with industry partners.
Researchers have used machine learning to study the melting of layered materials, discovering a complex two-step process that contradicts prior theories. The team identified changes in topological excitations as the key to understanding the unexpected melting behavior, enabling predictions up to 12 material layers.
A new end-to-end framework, DarkAD, enhances anomaly detection in low-light environments by introducing a feature adapter that reduces noise and amplifies critical features. The model outperforms other state-of-the-art models in detecting subtle anomalies with high accuracy and speed.
Researchers can now study microstructures inside metals, ceramics, and rocks with X-rays in a standard laboratory without needing a particle accelerator. The new technique, lab-3DXRD, enables quick analysis of samples and prototypes, providing more opportunities for students.
Researchers have unveiled the secrets of deconfined quantum critical points (DQCPs), breaking away from conventional physics and offering a fresh perspective on quantum matter. The study reveals anomalous logarithmic behaviors and identifies a critical threshold value, suggesting DQCPs can resemble continuous phase transitions.
Researchers at Ateneo de Manila University create hydrophobic surfaces using electrospun polymer fibers to hold water droplets in a dome shape, allowing for dynamic adjustment of magnifying power. This discovery has potential practical applications in science classrooms, remote areas, and research labs.
Scientists studied charge transport through organic light-emitting diodes using electronic sum-frequency generation spectroscopy. The study found changes in spectral signal intensities when applying voltages, indicating different internal charge flow across the organic layers.
Researchers analyzed massive audio recordings to create a dictionary of short melodies in English-language prosody, assigning functions and meanings. They discovered hundreds of basic patterns with linguistic functions, including conveying attitudes such as curiosity or surprise, and identified syntactic rules governing their order.
Researchers explore evaluation methods for sensitivity limits of quantum magnetometers, revealing intrinsic connections and relationships between quantum characteristics. The study advances theoretical development in quantum magnetometry and experimental optimization.
Physicists at Harvard SEAS have created a compact, on-chip mid-infrared pulse generator that can emit short bursts of light without external components. This device has the potential to speed up gas sensor development and create new medical imaging tools.
Researchers from Waseda University used machine learning to enhance the performance of photomechanical crystals, achieving up to 3.7 times greater force output compared to previously reported values. This breakthrough has significant implications for remote-controlled actuators, medical devices, and energy-efficient systems.
The team fabricated a probabilistic bit device based on manganite nanowires, achieving full control of its probabilistic characteristics with nanoampere-level currents. This p-bit exhibited exceptional computational potential in Bayesian inference tasks, outperforming existing similar probabilistic bits.
Scientists investigate whether living neurons can transport light through their axons, which would significantly change current models of the nervous system. If successful, it could have major implications for treating brain diseases and healing the brain.
Ryan Amberger, a Ph.D. candidate in physics at Texas A&M University, has been selected for a 2025 Los Alamos-Texas A&M Fellowship to conduct dissertation research on nuclear astrophysics. He aims to improve understanding of the s-process by studying neutron cross sections.
Harvard physicists develop an optical vortex beam that twists and changes shape, resembling spiral shapes found in nature. The 'optical rotatum' has potential applications in controlling small particles and micro-manipulation, and its creation is made possible with a single liquid crystal display.
Researchers have directly observed a superradiant phase transition (SRPT) in a magnetic crystal, overcoming a long-standing limitation in theoretical physics. The phenomenon occurs when two groups of quantum particles fluctuate collectively without external triggers, forming a new state of matter with unique properties.