Articles tagged with Mechanical Engineering
Researchers at SeoulNational University of Science & Technology propose two new designs for energy-efficient vibration energy harvesters that boost power output and efficiency. The designs use a repulsive magnet pair, yoke, and optimized coil placement to maximize magnetic flux change, leading to higher power generation.
Cricket frogs use a combination of underwater push and leg movement to propel themselves out of the water, resulting in a 'belly flop' motion. This discovery could lead to advancements in bio-inspired robotics and water testing systems.
Researchers at Binghamton University have developed a new paper-based biosensor system that uses bacterial spores to monitor glucose levels in sweat, eliminating the need for finger-stick devices. The system is shelf-stable, self-replicating, and can endure harsh environments, making it a promising alternative for diabetes management.
Researchers at Osaka Metropolitan University developed a simple method to measure deformations in thin membrane materials using photogrammetry and a single camera. This technology can accurately detect wrinkle size and wavelength, enabling more efficient spacecraft operations.
MIT engineers developed a nanofiltration process to capture aluminum ions from cryolite waste, reducing hazardous waste and improving efficiency. The membrane selectively captured over 99% of aluminum ions, enabling the recovery of aluminum and reducing the need for new mining.
Researchers from Singapore, Japan and US developed an advanced swarm navigation algorithm for cyborg insects that prevents them from getting stuck in challenging terrain. The new algorithm represents a significant advance in swarm robotics and could pave the way for applications in disaster relief and search-and-rescue missions.
A UVA professor has made new discoveries about electron kinetic behavior within plasma beams, potentially revealing the 'shape' of future space technology. The findings could lead to more efficient and reliable electric propulsion systems for long-duration space missions.
The research team developed a gripper (MOGrip) that can transfer multiple objects simultaneously, reducing process time by 34% and travel distance by 71%. Inspired by human multi-object grasping strategy, MOGrip features in-hand translation capability and decoupling links for simplified control.
Researchers at Tokyo University of Agriculture and Technology developed an explainable AI model to classify videos of splashing and non-splashing drops. The model achieved a success rate of 92% for low-viscosity liquid and 100% for high-viscosity liquid, revealing key differences in droplet behavior during impact stages.
Researchers at Texas A&M University have uncovered a mechanism behind cancer progression: the stiffening of tumor cell's environment. This spreading causes increased cell proliferation and tumor growth.
Researchers at Texas A&M University have developed a skin-like material that can mimic human skin textures and elasticity, simulating conditions for bacterial growth. The Ecoflex-based skin replicas can be used to test wearable sensors and improve catheter designs, potentially reducing the risk of catheter-related bloodstream infections.
Researchers from Texas A&M University have introduced a novel thermodynamic concept called the 'centotectic,' which investigates the stability of liquids in extreme conditions. The study provides critical information for determining the habitability of icy moons like Europa, with potential implications for planetary exploration efforts.
Researchers developed a groundbreaking method to produce ultrathin and ultra-flexible diamond membranes with unprecedented efficiency. These versatile materials enable the creation of innovative devices in fields such as electronics, photonics, mechanics, thermics, acoustics, and quantum technologies.
Researchers create SciAgents framework to autonomously generate and evaluate promising research hypotheses in biologically inspired materials. The framework uses graph reasoning methods to organize relationships between scientific concepts, mimicking biological systems.
Researchers at Stanford University have designed a comfortable, flexible knit sleeve that simulates realistic touch using pressure-based haptics. The Haptiknit sleeve provides more accurate tactile feedback than vibration-based devices, allowing for smoother navigation, military communication, and rehabilitation.
Researchers create multilayered chip design that doesn't require silicon wafer substrates, allowing for better communication and computation between layers. This breakthrough enables the construction of fast and powerful AI hardware comparable to supercomputers.
Researchers at UC3M are conducting a pioneering study on how morphological differences between men and women affect road safety systems, specifically seat belts. The study aims to improve protection for vehicle occupants regardless of gender, as anatomical and behavioural differences may lead to increased risk of injury.
Researchers developed an ultra-compact transparent ultrasonic transducer for simultaneous high-resolution ultrasound and photoacoustic imaging. This technology improves diagnostic sensitivity by providing detailed information about tissue vasculature, thereby enhancing early cancer detection.
The Journal of Intelligent and Connected Vehicles has been officially included in the ESCI, a core collection of the Web of Science under Clarivate Analytics. The journal's CiteScoreTracker 2024 is currently at 11.0, indicating its growing impact factor.
Researchers at Case Western Reserve University have developed high-performance, low-cost zinc-sulfur batteries with enhanced energy capacity, improved conductivity and stability. These advancements address long-standing safety concerns and enable smaller, longer-lasting designs.
A new noninvasive imaging method developed by MIT researchers can penetrate deeper into living tissue than previous techniques, producing richer and more detailed images. This breakthrough enhances biological research capabilities, enabling scientists to study immune responses and develop new medicines with greater accuracy.
The researchers created a 'metasheet' with an elastic polymer and embedded magnetic microparticles that can move like a wave when controlled by a magnetic field. This technology has potential for use in confined spaces, allowing objects to be lifted and moved without physical contact.
The Center for Marine Autonomy and Robotics develops advanced underwater robots and autonomy algorithms, enabling intelligent operation without human oversight. The research team has received $7.4 million in grants to continue their mission, advancing unconventional marine platforms and enhancing AUV capabilities.
Researchers develop ultrasound-based method to control cell growth and orientation in cultured muscle cells. The technique uses ultrasonication to promote differentiation of myoblasts into myotubes, offering a promising alternative to current methods.
Researchers developed a soft robot with fins shaped like manta rays, capable of swimming up and down throughout the water column. The robot uses spontaneous snapping-induced jet flows to achieve high speeds and maneuverability.
Mechanical engineering professor Debora Lyn Porter is using a $990,000 grant to research growing fungi into patterns called biotemplating. The goal is to create materials with high strength-to-weight ratio and biodegradability, suitable for aerospace and clothing production.
A new type of gastric balloon has been designed to help people lose weight by making them feel too full to overeat. The balloon can be inflated and deflated as needed, and animal studies have shown that it can reduce food intake by 60 percent before meals.
Researchers found that female locust's digging valves wear down significantly despite being used only 3-4 times in a lifetime. The study demonstrates the 'good enough' principle in evolution, where extra resources are not invested in organs with specific purposes performed adequately.
The SNU researchers developed a comprehensive air purification system that removes fine dust, CO2, and volatile organic compounds using water-based purification. The system mimics the gas exchange principles of the human respiratory and circulatory systems, providing a sustainable alternative to existing filtration systems.
Researchers at Johns Hopkins University Applied Physics Laboratory have created a shape-shifting antenna that can change its shape based on temperature, transforming communications capabilities. The technology has transformative potential in military, scientific and commercial applications, enabling dynamic RF band adaptability.
Researchers developed a platform to produce mature, uniform organoids using a three-dimensional engineered membrane. This breakthrough enables consistent quality and improved efficiency for practical applications in clinical trials and drug development.
The MIT team fabricated a simple water filter modeled after the mobula ray's plankton-filtering features and studied its performance. They found that the ray's filtering features are broadly similar to industrial cross-flow filters, which could inform design of water treatment systems.
Researchers develop hybrid materials to enhance optical signal conversion in transceivers, increasing data transmission rates while reducing energy consumption. The ATHENS project combines silicon with other materials to overcome limitations in pure silicon components.
Researchers developed an ingestible capsule that releases a burst of drugs into the stomach or other organs, eliminating the need for injections. The capsule uses compressed carbon dioxide or tightly coiled springs to propel liquid drugs out, targeting specific parts of the digestive tract.
Stanford researchers developed a method to describe food texture with striking similarity to human taste testers using mechanical testing and machine learning. The study found that some plant-based products can already reproduce the whole texture spectrum of animal meats.
Researchers created a new electrode design that increases the efficiency of converting CO2 into ethylene, a valuable chemical product. The electrochemical system can now be scaled up for industrial applications without significant energy or cost losses.
Team Bath Heart, a team of students from the University of Bath, has won the second world Heart Hackathon title with their innovative artificial heart device. The team's prototype, which uses wireless charging and 3D printing, was praised for its novelty, progress, and presentation.
A new study by MIT engineers reveals that exercise can stimulate nerve growth, with neurons growing four times farther in the presence of myokines released during muscle contractions. Physical effects of exercise, such as repeated stretching and pulling, also promote nerve growth, challenging previous biochemical-only theories.
The university introduces Bachelor of Engineering in Robotics and Double Major Bachelor of Engineering Science in Process Engineering and Synthetic Chemistry to address global demand for roboticists. The programs incorporate AI-related elements and are designed to provide students with a unique skill set.
A new PACT system offers rapid imaging of living organisms, enabling the tracking of whole-body dynamics and disease progression. The system achieves spatial resolution of approximately 212 micrometers and enables the visualization of oxygen saturation across complex biological systems.
A team of researchers at Vanderbilt University has developed robotic sensory cilia that can monitor mucus conditions in human airways, detecting infection, obstruction, and disease severity. The technology leverages external magnetic fields to sense mucus viscosity and layer thickness, paving the way for real-time monitoring and early ...
Researchers at Pohang University of Science & Technology (POSTECH) developed a smart insect screen-inspired film that regulates solar heat and lowers interior temperatures. The breakthrough, published in Advanced Functional Materials, achieves both transparency and radiative cooling performance.
Researchers have developed sensors that can detect changes in water flow, warning operators of hazardous conditions in the deep ocean. The technology has potential to save lives by giving technicians time to reach safety.
The University of Tennessee and Lockheed Martin have expanded their master research agreement to address national security challenges. The partnership will support advanced technologies such as hypersonics, materials, and energy systems, while also providing experiential learning opportunities for students.
Researchers investigated the effect of tool corner radius on chip formation in Zr-based bulk metallic glass (BMG) machining. The study found that increasing the corner radius leads to an increase in serrated frequency and secondary shear bands within individual sections, affecting surface quality.
Researchers successfully fabricate subwavelength nanostructures on Au nanofilm using laser direct-writing system, achieving minimum linewidth of 83.6 nm and repeatable linewidth of approximately 167.8 nm. The mechanism involves melting of the Au nanofilm due to locally excited surface plasmon polaritons.
The project aims to identify and fabricate optimized first-wall materials using advanced computer simulations enhanced by machine learning, accelerating the discovery of new materials by 100-fold. The research will leverage synthesis, irradiation, and testing facilities to conduct a high-impact materials discovery campaign.
Yihao Zheng and his team are developing a fiber-optic probe that analyzes artery blockages in the brain and guides procedures for blockage removal. The technology uses light and advanced calculations to determine the properties of blood clots, enabling doctors to make informed decisions about how to remove them.
University of Texas at Dallas researchers have designed a 3D-printed femur that can help doctors prepare for surgeries and develop treatments for bone tumors. The bone replica is made of polylactic acid, a bio-based polymer, and performed as well as a human femur in biomechanical tests.
Researchers developed a novel technique using liquid metal microdroplets to create stair-like structures forming vias that connect circuit layers without drilled holes. This approach enables rapid and parallel fabrication of soft electronic components, overcoming challenges in conventional rigid electronics.
The tube spinning process offers distinct advantages, including lower forming load, heightened accuracy, and surface finish. It has been applied to various materials, such as magnesium alloy, aluminum alloy, and composite materials, to form hollow rotary components.
A literature review identifies factors influencing material microstructure evolution during Arc wire-based DED. Novel techniques like interlayer forging and ultrasonic impact enhance material properties, reducing defects and improving microstructure.
High-performance manufacturing (HPM) is a solution to meet the challenges of loading, transmission, conduction, energy conversion and stealth requirements in critical sectors. HPM advocates for a design and manufacturing approach based on scientific modeling and precise control.
Brian Leard, a PhD student at Lehigh University, has been awarded a prestigious DOE grant to conduct research at the DIII-D National Fusion Facility. He aims to develop simulation codes that can optimize actuator operation and improve the accuracy of plasma physics predictions.
Researchers use tongue and groove technique inspired by ancient East Asian wooden structures to create advanced ceramic microparticles with unprecedented complexity and precision. These particles can be used in various applications across microelectronics, aerospace, energy, and medical engineering.
A team of scientists conducted a systematic review of tool wear monitoring based on audible sound signals, highlighting four promising research directions. They found that the use of microphone sensors presents a promising strategy due to its ease of installation and adaptability in measurement.
Researchers have developed functional interlocking metasurfaces that offer more structural strength and stability than traditional techniques like bolts and adhesives. These metasurfaces can selectively disengage and re-engage on demand while maintaining consistent joint strength.
Researchers have developed an octopus-inspired adhesive that can quickly grab and controllably release challenging underwater objects. The adhesive achieves high attachment strength on various surfaces, including rough and curved ones, within a fraction of a second.
A new study of bubbles on electrode surfaces could help improve the efficiency of electrochemical processes by understanding how blocking effects work. The findings show that only a smaller area of direct contact is blocked from its electrochemical activity, not the entire surface shadowed by each bubble.
The system removes salt from water at a pace that closely follows changes in solar energy, maximizing the utility of solar power. It produces large quantities of clean water despite variations in sunlight throughout the day, making it an attractive solution for communities with limited access to seawater and grid power.