Articles tagged with Mechanical Engineering
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers developed an in situ technique to observe material behavior under various stresses, including shear stress. This allows for precise understanding of how materials respond and identify preferred slip planes.
Ali Beheshti conducts a tribological study of IN625 and Ni-Cu alloys subjected to laser peening, aiming to enhance mechanical strength and resistance to fatigue, corrosion, and wear. The project will provide crucial insights for the Navy fleet operating in harsh environments.
Researchers have developed a smart contact lens capable of implementing AR-based navigation using a novel electrochromic display technology. The device uses Prussian blue to display directions to the user in real-time, overcame limitations of existing AR devices.
Researchers at Carnegie Mellon University have created a soft material with metal-like conductivity and self-healing properties that can support digital electronics and motors. The material has been demonstrated in various applications, including powering motors and enabling reconfigurable circuits.
The team has developed a coupled dipole method-based photonic dispersion solver (CDPDS) online, enabling fast computation and accessibility to general users. The CDPDS provides band dispersions and topological phases of one-dimensional and two-dimensional photonic crystals, making it suitable for rapid simulations and modeling.
A team of POSTECH researchers has developed a deep learning-based multimodal fusion network for segmentation and classification of breast cancers using B-mode and strain elastography ultrasound images. The method achieved high accuracy in distinguishing benign from malignant lesions, outperforming conventional methods.
A HKU Mechanical Engineering team has developed a new generation of lithium-ion batteries that are safer, more powerful and have a longer lifespan. The innovative design uses single-ion conducting polymer electrolytes that can conduct electricity faster than traditional liquid electrolytes.
Researchers at Carnegie Mellon University have developed a latch control system that enables grasshopping robots to perform efficiently on soft substrates. The team discovered that the latch can not only regulate energy output but also mediate energy transfer between the robot and its environment, leading to improved jump performance.
A team of biologists and engineers created a miniature facility called the Acoustic Gym to study exercise in tiny worms. They found that swimming exercises reduced neurodegeneration in genetically engineered worms with Parkinson's-like symptoms, which could lead to new treatments for humans.
A multidisciplinary team developed a physiologically accurate model of octopus arm muscles, providing insight into biological and design challenges. The model enables energy-shaping control, simplifying arm control design and enabling life-like motion in soft robots.
A novel air filter made from corn protein has been developed that can capture small particulates and toxic chemicals like formaldehyde. The filter, which uses functional groups to grab molecules, shows promise for improving air quality in regions with poor air pollution.
A POSTECH research team has developed a deep-learning approach to enhance resolution and speed in photoacoustic computed tomography (PACT) imaging. The technique enables high-resolution, real-time whole-body imaging of animals and monitors tissue movement in the heart, kidney, and brain.
A new 'multisensory pseudo-haptic' technology delivers believable tactile experiences in virtual environments by combining visual feedback from a VR headset with tactile sensations from a mechanical wristbracelet. This innovation keeps hands free, enabling long-term wear and more realistic user experiences.
Researchers have developed a procedure to create custom, 3D-printed heart replicas that accurately mimic a patient's specific heart form and function. These replicas can be controlled to mimic the pumping action of the real heart, allowing clinicians to test various treatment options for individual patients.
Researchers at HKU Engineering have developed a new type of continuous Marangoni transport system that generates highly ordered Fermat's spiral patterns. The system utilizes an aqueous two-phase system, inspiring potential biological applications and novel methods for fibre fabrication.
Researchers at City University of Hong Kong develop a self-charging electrostatic face mask that can continuously replenish its electrostatic charge through the user's breathing. The mask provides high-efficiency airborne particle removal with 95.8% effectiveness after 60 hours of testing.
Researchers create 'Lego-like' BIND interface to assemble stretchable devices with excellent mechanical and electrical performance. The interface allows for easy connection of modules, enabling the development of highly functional wearable devices or soft robots.
The study introduces a new design paradigm for electromagnetics using compliant mechanisms, which can change operating frequencies without hinges or bearings. This technology surpasses origami designs in robustness and long-term reliability.
Engineers at MIT and Caltech have developed an ingestible sensor that can track its location as it moves through the digestive tract, revealing where slowdowns in digestion may occur. The sensor uses a magnetic field produced by an electromagnetic coil outside the body to calculate its position.
A new clinical trial will assess the efficacy of an AI-powered massage robot, EMMA, in managing chronic low back pain. The study aims to explore the effectiveness of robotic Tuina therapy in alleviating pain and improving health outcomes.
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.
The team developed a way to stack red, green, and blue light-emitting diodes to create vertical, multicolored pixels, enabling higher-resolution displays. This technique could enable fully immersive virtual reality experiences and improve digital screens' sharpness and resolution.
Researchers developed a haptics-based automated driving system that encourages continuous engagement between drivers and automation. The system achieves this through three functionalities: interaction, arbitration, and inclusion, resulting in increased safety and comfort for human drivers.
Researchers have created a set of computational models to predict the structure, mechanical properties, and functional performance outcomes of granular hydrogels. The new framework could make it easier to design materials that can be injected for different types of applications.
A Korean joint research team has developed a new tissue adhesive that restores damaged corneas by filling them and exposing them to light, potentially treating cornea ulcers without surgical interventions. The new sealant integrates well with adjacent tissues and promotes scar-free corneal tissue reconstruction.
Researchers at KAIST developed a quadrupedal robot control technology that enables robots to walk robustly on deformable terrain like sandy beaches. The technology uses artificial neural networks to simulate ground characteristics and adapt to changing environments, allowing the robot to maintain balance and perform high-speed walking.
Engineers design miniature robots that can rapidly shift between liquid and solid states, with magnetic properties, to overcome traditional robot limitations. The new material is used to remove foreign objects, deliver drugs, and assemble parts in hard-to-reach spaces, opening up new possibilities for medical and engineering applications.
A CU research team has developed a method to transform medical images into incredibly detailed 3D models on the computer, which can be printed and used for surgical planning. The approach uses custom software to convert scan data into volumetric pixels, allowing for more accurate representations of human anatomy.
Researchers developed a new tool using vortex ultrasound to break down blood clots in the brain, which eliminated clots more quickly than existing techniques. The approach works by inducing shear stress on the blood clot, reducing risk of hemorrhage in the brain.
Purdue University researchers employ a cellular signal processing system to analyze the migration of cancer cells, identifying the impact of chemical cues and fluid flow on cell movement. The study's findings have significant implications for understanding cancer metastasis and the development of more effective treatments.
Researchers have identified the need for standardization of performance indices and a single frame for normalization methods to address concerns with bioelectrochemical systems. The study proposes strategies for up-scaling BES technologies, enabling resource recovery through on-site treatment of wastewater at an efficiency comparable t...
Engineers at MIT and Georgia Tech have developed a faster and simpler way to model intrusion through any soft, flowable material. The new method uses Resistive Force Theory (RFT) and adapt it to 3D, predicting forces needed to push objects through sand, gravel, or other soft media in real-time.
Researchers at MIT have developed a method to fabricate ever-smaller transistors from 2D materials by growing them on existing silicon wafers. The new method, called nonepitaxial, single-crystalline growth, enables the production of pure, defect-free 2D materials with excellent conductivity.
A team of researchers has made two technical breakthroughs to grow high-quality 2D materials, overcoming challenges such as securing single crystallinity and preventing irregular thickness. Their method enables the growth of single-domain heterojunction TMDs at wafer scale, paving the way for next-generation electronics.
A new digital twin of laser-directed energy deposition repair technology has been developed to improve industrial sustainability. The system automatically determines optimum forming conditions, reducing metal powder waste and increasing the effectiveness of the repair process.
A new understanding of how particle shape controls grain flow can help engineers plan for downstream impacts of restoring a river or removing a dam. The MIT team's better formula estimates bed load transport by considering a grain's drag and friction, rather than its exact shape.
Researchers at Aston University discovered that mechanical vibrations can improve balance control and strengthen calf muscles. The study, published in Scientific Reports, suggests that whole-body vibration could be used to reduce falls and hospital bed days in older people.
A UVA research team developed a real-time detection method for keyhole pore generation in laser powder bed fusion, achieving a 100% prediction rate. This approach expands additive manufacturing capabilities for aerospace and other industries relying on strong metal parts.
Researchers from the University of Science and Technology of China designed a hybrid architecture to enhance resistance in a wide range of impact velocities. The study found that nacre-like structures perform well under low-speed loads but dissipate less energy than laminated structures at higher speeds.
Researchers from Okayama University developed a novel mechanical compression method to squeeze maximum benefits from plant biomass. The technique reduces energy consumption by eliminating the need for thermal drying, making it ideal for on-site operation and locally grown plants.
Researchers developed a semi-submersible vehicle that can travel quickly with low drag and a low profile, making it ideal for military, commercial, and research purposes. The vessel's design allows it to collect and transmit data while minimizing energy expenditure.
Researchers at North Carolina State University have developed a highly sensitive and stretchable strain sensor that can detect minor changes in strain with great range of motion. The sensor's innovative design features a patterned cut network that enables it to withstand significant deformation without sacrificing sensitivity.
M.A.R.V.E.L.'s magnetic soles made of Electro-Permanent Magnet (EPM) and Magneto-Rheological Elastomer (MRE) enable fast movement on uneven surfaces. The robot can climb at speeds of up to 70 cm/s on walls and 50 cm/s on ceilings, making it the world's fastest walking climbing robot.
Researchers at POSTECH have created a humidity-responsive display that changes brightness and color depending on humidity levels, allowing for infinite imaging capabilities. The technology uses polyvinyl alcohol (PVA) and single-step nanoimprinting to achieve high-tunability of holographic images.
Texas A&M researchers have developed a method to embed hidden magnetic tags in metal parts, providing a new tool to combat counterfeited goods. The technique uses metal additive manufacturing to create unique identifiers that can be read using a magnetic sensor device.
The UTSA-led Consortium on Nuclear Security Technologies (CONNECT) has received a five-year, $5 million grant from the U.S. Department of Energy's National Nuclear Security Administration. The program aims to educate and train the next generation of scientists and engineers in nuclear security, with a focus on underrepresented students.
Researchers found that providing language descriptions of tools can accelerate a simulated robotic arm's learning of tool manipulation. The team used GPT-3 to obtain tool descriptions and showed improved performance in tasks such as pushing, lifting, sweeping, and hammering with new tools.
University of Illinois researchers derived the depth profile of electric double layers using statistical analysis and electrostatic calculations. They developed a new method, CP-3D-AFM, to experimentally quantify the charge distribution at electrode-electrolyte interfaces.
The research team successfully transplanted a stem cell sheet onto the heart, promoting angiogenesis and improving cardiac function. The technique has improved integration and engraftment rates, addressing challenges in patch-based treatments for myocardial infarction.
A high-precision 3D printing method has been developed to produce polarisation-encoded 3D anticounterfeiting labels with increased data encryption density. The new label can encrypt more digital information than a traditional 2D label.
Researchers used a novel modeling method to study hummingbird wing movement, revealing previously unknown principles of actuation. They found that hummingbirds' primary muscles pull wings in three directions: up and down, back and forth, and twisting. This discovery has implications for technological development of agile aerial systems.
Researchers discovered that eye movements can reveal valuable information about how humans make decisions. The study found that the speed and vigor of eye movements increased as participants considered their options before making a choice.
A pilot study conducted at Brigham and Women's Hospital found that a low-cost computer vision system was feasible and well-received by employees. The system accurately detected mask adherence 100% of the time, with most participants experiencing a positive interaction.
A University of Houston researcher has developed a method to describe complex systems using the least number of variables possible, reducing complexity from millions to just one. This advancement speeds up science with efficiency and ability to understand and predict natural system behavior.
Researchers developed a simple and accurate method for markerless gait analysis, combining RGB camera-based pose estimation with IMU sensor data. The new technique outperformed existing methods in measuring gait parameters and joint angles, showing significant promise for clinical settings and diverse applications.
Researchers create a soft robot that can detect damage and heal itself using stretchable fiber-optic sensors and polyurethane urea elastomer. The SHeaLDS technology provides a damage-resistant robot that can self-heal from cuts, and the researchers plan to integrate it with machine learning algorithms for more tasks.
Lehigh University has received nearly $1.75 million in funding from the US Department of Energy to support fusion energy research, specifically for ITER's long-pulse scenarios. The project aims to prepare ITER for operation and address critical research questions related to plasma control.
University of Minnesota researchers have developed a contactless manipulation method using ultrasound waves, which can move larger objects without physical contact. This technique uses metamaterial physics to steer objects in desired directions, enabling control through sound reflection.
Researchers developed a novel 3D printing technique to fabricate complex metal–plastic composite structures with arbitrarily complex shapes. The process, called MM-DLP3DP, allows for the creation of precise metal patterns and high-quality metal coatings, enabling the development of highly integrated and customizable microelectronics.
Researchers at University of Pennsylvania School of Engineering and Applied Science developed a new electrostatically controlled clutch that enables soft robotic hands to hold 4 pounds, 40 times more than before. The clutch uses a fracture-mechanics-based model to achieve this feat while requiring only 125 volts of electricity.