Articles tagged with Mechanics
The researchers propose a hybrid organic–inorganic gas sensor design that enhances gas sensing performance while maintaining sensing speed. The proposed design outperforms conventional sensors in terms of chemical sensitivity to NO2, showcasing impressive durability and higher potential for long-term installation.
Researchers at Xi'an Jiaotong-Liverpool University have developed a sensitive and robust pH sensor that can detect pH variation in just a few microliters of samples. The new sensor uses novel materials and methods to overcome the current method's limitations, which are not sensitive enough or fragile for commercial-scale use.
New plant cell walls exhibit significantly different mechanical properties compared to surrounding parental walls, enabling cells to alter their local shape and influence the growth of plant organs. Researchers have discovered that new cell walls in some plants are 1.5 times stiffer than the parental cell walls.
The 76th annual meeting of the American Physical Society's Division of Fluid Dynamics will bring together over 3,500 scientists from around the world to present new research on fluid dynamics. The conference will feature a scientific program with over 3,200 presentations and a gallery of fluid motion visual arts competition.
Researchers at Stevens Institute of Technology use a 350-year-old mechanical theorem to explain complex behaviors of light waves, showing a direct relationship between entanglement and polarization. This connection enables the deduction of hard-to-measure optical properties from simpler light intensity measurements.
Researchers at Hebrew University of Jerusalem discovered supershear tensile cracks that surpass classical speed limits and transition to near-supersonic velocities. These findings challenge traditional understanding of fracture mechanics, offering new avenues for studying material properties.
Scientists designed materials with mechanical memory by introducing frustration into their structure, resulting in a new type of order. This breakthrough could be used to create robotic arms and wheels with predictable bending mechanisms, as well as more efficient quantum computers.
Researchers comprehensively reviewed recent discoveries in 2D material mechanics, highlighting elastic properties, failure, and interfacial behaviors. Computational advancements are crucial for understanding dynamic behaviors and practical applications.
Researchers at the University of Missouri have developed a smart material prototype that can control the direction and intensity of energy waves. This breakthrough could have significant implications for various fields, including military and commercial applications.
Tiny California blackworms tangle themselves to perform biological functions, but can untangle in mere milliseconds. Researchers have discovered the mathematics behind this process, revealing how helical gaits and topological principles enable the worms' superpower.
A novel, low-cost sensor system utilizing force-sensing resistor technology has been developed by Pusan National University researchers for real-time pipeline monitoring. The system demonstrated a 99.4% correlation with commercial sensors, enabling accurate detection of pipeline damages.
A team of researchers from Vietnam and Korea investigated the collapse of a spherical bubble near an oscillating wall using a two-phase flow model. The study revealed significant jet formation, higher pressure peaks, and faster collapse times compared to fixed wall scenarios.
Researchers at the University of Missouri have designed a soft and breathable material that can be worn on the skin without causing discomfort. The material, made from liquid-metal elastomer composite, has integrated antibacterial and antiviral properties to prevent the formation of harmful pathogens.
Researchers studied how shrimp legs minimize drag while swimming and how fruit flies use flapping wings to 'sniff out' smells for navigation. They also explored how honeybees fly in windy conditions, finding that windy conditions don't affect flight performance but increase evasive maneuvers.
Studies investigate the impact of temperature, speed, and materials on chocolate fountain flow, as well as oil and vinegar separation in vinaigrettes. A framework also describes the fluid dynamics involved in squeezing sauces out of bottles.
Researchers at UNO and UNL are using machine learning to investigate the metabolic cost of different phases of the gait cycle across different age groups. The goal is to create practical applications for gait rehabilitation, such as designing improved assistive devices.
John Kershner, a Lehigh University PhD candidate, has been awarded a Fulbright research grant to continue his work on owl-inspired aero-acoustics in Germany. He will collaborate with researchers at Brandenburg Technical University and the DLR to experimentally test these designs.
Concentrated solar power (CSP) plants use wet cooling methods to dissipate waste heat, but this can lead to significant water loss. A new study developed a radiative cooling system with cold storage that reduces water consumption by up to 85% in hot regions.
The Max Delbrück Center researcher is investigating the mechanism of how the heart responds to environmental factors and adjusts its elastic properties. He plans to develop technologies for single-cell mechanics, -transcriptomics, -proteomics to enable higher rates of throughput for multi-omics approaches.
Researchers at University of Missouri and University of Chicago develop an artificial material that can respond to its environment, make decisions, and perform actions not directed by humans. The material uses a computer chip to control information processing and convert energy into mechanical energy.
Researchers from The University of Electro-Communications and Tokyo University of Agriculture and Technology found that sintering porous media inside heat transfer tubes increases the area available for heat exchange, reducing thermal resistance and enhancing heat transfer performance. Heat transfer in these tubes is five times greater...
Researchers discovered that bacteria enter corn plants through natural openings at the leaf's edge, causing Goss's wilt. High concentrations of bacteria lead to freckles and disease symptoms.
A study by Arizona State University researchers reveals that the coordination between facial growth and chewing muscle mechanics determines when adult molars emerge. The study found that human molars come in at a later age due to slow jaw growth and short faces, which creates a mechanically safe space for molar emergence.
Research reveals that humans take shorter strides than chimpanzees due to reduced pelvic rotation, extending their stride by only 5.4 times compared to the mini wiggles performed when walking. This discovery challenges the long-held assumption that humans have evolved the longest possible stride for efficiency.
Researchers at Nagoya City University have detected strongly entangled pair of protons on a nanocrystalline silicon surface. This breakthrough could enable the creation of more qubits and ultra-fast processing for supercomputing applications, revolutionizing quantum computing.
Researchers at Skoltech developed a mathematical model for thermoplastic composite materials, reducing conservatism in strength calculations. The model allows for virtual testing of structures, minimizing manufacturing costs while ensuring safety and quality requirements.
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 new study published in Frontiers in Sports and Active Living found that advanced shoe technology from Nike reduced running times for both elite male and female competitors. Female elite athletes experienced the largest improvements, with seasonal best times decreasing by 1.7 to 2.3 percent between 2016 and 2019.
Scientists at the University of Pittsburgh have identified a new, primary phase of blood vessel restructuring that begins immediately after an aneurysm forms. This immediate adaptation enables the vessel to better handle new loads and reduces the risk of rupture.
Researchers at Penn State have developed graphene-based memory resistors that mimic the brain's neural networks and offer high precision neuromorphic computing. The new technology can control up to 16 possible memory states, compared to two in most existing memristors.
Researchers at Penn State have developed a gel-based 3D bioprinting method that can create complex shapes and tissues with precise cell placement. The yield stress gel allows for the self-healing of the gel structure, enabling the creation of free-form, complex shapes.
New research investigates how viruses trick cells into forming lipid rafts, allowing them to enter and infect the human body. The study suggests that understanding this process could lead to innovative approaches to fight viral infections.
New research reveals that the shape and architecture of collagen and elastin fibers in lungs affects their elasticity. Crimped fibers exhibit greater flexibility, while straight fibers are stiffer.
Researchers at SMART developed a new confocal reflectance interferometric microscope to study nuclear membrane mechanics in intact cells. This label-free technology has the potential to revolutionize our understanding of metastatic cancers and genetic illnesses, enabling the identification of stem cells for therapeutic applications.
Gnashing teeth's secret strength lies in the microarchitecture of brittle materials, where adding small defects can increase glass strength 200 times over. Researchers developed two models to describe fracture propagation and contact mechanics, paving the way for stronger ceramics, biomedical implants, and building materials.
Steve WaiChing Sun, a civil engineering professor at Columbia University, has won a National Science Foundation CAREER award to develop an augmented intelligence approach for predicting material failures. His tool uses deep reinforcement learning to generate accurate predictions and improve complex analyses and designs for infrastructure.
Researchers use human T cells to create unbreakable encryption keys, solving a problem in mathematical algorithms that relies on one-way functions. The approach is designed to protect against increasingly powerful computers and quantum computing.
Scientists at Oregon State University analyzed 44 years of seismic data and found clear evidence that tremors of magnitude 6.5 or larger trigger other quakes of magnitude 5.0 or larger.
Long-Qing Chen, a renowned professor at Penn State, has been awarded the Humboldt Research Award for his significant contributions to materials science and engineering. He plans to establish international collaborations and learn about European cultures through a one-year research project in Germany.
Research by Robert Cialdini reveals six universal principles of influence: reciprocity, commitment, social proof, authority, liking and scarcity. These principles can be used ethically to change behavior and achieve desirable outcomes.
Researchers at Virginia Tech have made breakthrough discovery on optimizing dew droplet size to improve efficiency of removing condensation. By fine-tuning surface nanoscopic topography, they found that droplets can be made small enough to jump off surfaces as early as 2 micrometers.
Biologist Carl-Philipp Heisenberg has been awarded an ERC advanced grant to study the interplay between gene regulatory networks and physical processes in embryonic development. His research will focus on gastrulation, a critical phase of embryonic development where cells are transformed into distinct layers.
Researchers at UT Austin have developed a new brain mapping technique to study how people update their knowledge and form new ideas. The study found that the hippocampus and prefrontal cortex work together to update conceptual knowledge, providing insight into the mechanics of learning.
A study of elite adolescent pitchers found that fatigue significantly impacted pitching mechanics, causing pain and potentially leading to injuries. Core and leg strength were identified as key components in preventing such injuries through targeted training programs.
Demirel is using proteins to coat biomedical swabs, enabling gene analysis from tiny amounts of blood or biological samples. The project has market potential in forensics, genetics and medicine industries.
The new journal aims to bridge the gap in publication options for the mechanics community, featuring short articles on cutting-edge research in various disciplines. It is edited by three distinguished scientists and offers immediate publication of papers without waiting for other articles.
Researchers at Linköping University have demonstrated that geckos and spiders lose grip due to the effect of heat on van der Waals forces. This phenomenon has significant industrial benefits, particularly in the production of graphene, where detachment from the substrate is crucial.
The PandaX experiment at the China Jinping underground laboratory is using a liquid xenon dual-phase technology to detect dark matter and neutrinoless double beta decay. The facility has been optimized for low background radiation, with a shielded environment protecting against cosmic muons.
Researchers have mapped the exploration area and analyzed geological characteristics, producing a 1°×1° geologic map near the landing site. They identified two basaltic units with distinct formation mechanisms, shedding light on the lunar surface's composition.
The special issue covers 17 review articles on various spintronics topics, including magneto-electronics and semiconductor spintronics. It aims to introduce the framework of spintronics and stimulate new ideas by showcasing domestic research results.
Research at Michigan State University found that even brief interruptions can significantly impact accuracy on complex tasks. The study, which involved 300 participants and a sequence-based procedure, discovered that interruptions lasting just three seconds doubled the error rate. This finding has significant implications for professio...
Researchers create a dynamic gel made of DNA that mechanically responds to stimuli in the same way cells do. The DNA gel's movement runs on ATP, allowing for faster and stronger mechanics than other smart gels based on synthetic polymers.
A 'nanoclutch' has been designed to regulate the speed of nanomotors, allowing for stepless control. The device uses electrowetting forces and charged carbon nanotubes to transmit torque between tubes.
Researchers are developing a new traffic modeling system that incorporates individual human behavior traits to forecast transportation needs. The VASTO model simulates habitual patterns with real-time reactions and will allow planners to see what would happen if traffic is rerouted or construction is proposed.
Researchers explore scaling relationships of slow slip events and compare them to similar laws for earthquakes, highlighting the need for further study to understand fault mechanics. A newly defined propeller-like geometry of southern San Andreas Fault may require re-thinking ground motion assessments.
A new method visualizes mechanical forces on cell surfaces in real-time, providing detailed view of forces as they occur. The technique has potential to diagnose and treat diseases related to cellular mechanics.
Researchers from North Carolina State University developed a system to measure brand personality appeal (BPA), allowing companies to understand how favorably their brand is viewed by consumers. The BPA framework assesses three components: favorability, originality, and clarity, grading brands on their overall appeal.
Bicycle balance relies on a mixture of physical effects linked to mass distribution, not gyroscopic or caster effects. Researchers built a riderless bike that balanced itself without these effects.
Researchers at JILA disprove the popular theory that DNA's backbone needs a small gap or loose ends to extend by 70% when subjected to 65 picoNewtons of force. The new study uses a novel test structure to demonstrate that the mechanism behind overstretching is the same for both nicked and intact DNA molecules.
The National Science Foundation has recognized three projects with Breakthrough Awards: an artificial retina restoring sight to the blind; a system using controlled rocking to help buildings withstand earthquakes; and a low-cost medical microscope for detecting malaria-infected blood cells.