Articles tagged with Mechanical Engineering
Researchers have developed an integrated sensor capable of capturing and enhancing bio-signals, paving the way for potential treatments of brain disorders. The innovative technology uses inkjet printing to create a flexible substrate with a custom-made sensor.
A new laser-based sampling system allows for higher depth resolution, enabling scientists to reconstruct continuous annual temperature changes thousands of years ago. The LMS system overcomes previous limitations in sampling ice cores, preserving critical oxygen and hydrogen isotopes needed to infer past temperatures.
Researchers at Cornell University have created an insect-scale quadrupedal robot powered by combustion that can outrace, outlift, and outflex its electric-driven counterparts. The robot's actuators produce 9.5 newtons of force and operate at frequencies greater than 100 hertz.
The University of Texas at Dallas will develop and commercialize new battery technologies, enhance domestic raw material availability, and train workers for the expanding battery industry. The Energy Storage Systems Campus will leverage $200 million in private capital.
Researchers developed a groundbreaking soft valve technology that integrates sensors and control valves into soft robots, eliminating the need for electric components. This innovation enables safe operation underwater or in environments with sparks risks, reducing weight burdens and costs.
The Beckman Institute has received a $3.6 million NSF grant to acquire an automated system for designing and analyzing polymers. The system will accelerate the discovery of useful materials, especially in combination with artificial intelligence.
A digital twin of the bladder has been developed to simulate normal and bladder outlet obstruction (BOO)-affected function. The model will help researchers better understand the connection between changes in BOO bladder wall structure and functionality, enabling them to develop new treatments and predict treatment success rates.
Researchers at the University of Washington have developed small robotic devices that can change their shape in mid-air using a Miura-ori origami fold, enabling battery-free control over descent. The devices can transition from tumbling to falling states, allowing for precise landings in turbulent wind conditions.
Researchers at the University of Texas at Austin have developed a molecularly engineered hydrogel that can create clean water from hot air, using solar energy. The device produces up to 7 kilograms of water per kilogram of gel materials, with potential applications for drought-stricken areas and countries lacking access to clean water.
Researchers developed a self-decontaminating fabric that kills coronaviruses in under 5 seconds using Joule heating. The material can handle hundreds of uses with minimal waste, transforming the way personal protective equipment is made and used.
Researchers propose integrated metasurfaces that can be combined with standard optical components like LEDs and LCDs for commercialization. Collaboration between industry and academia is crucial for developing innovative optical platforms.
Researchers at Pohang University of Science & Technology have developed a sensor technology called computer vision-based optical strain (CVOS) that enhances durability and streamlines fabrication processes. This breakthrough enables the precise recognition of intricate bodily motions through a single sensor.
Researchers at Rice University developed wearable textile-based devices that utilize fluidic control to provide sophisticated haptic cues. The system enables users to navigate through real-world environments using tactile feedback, potentially enhancing visual and auditory inputs for those with impairments.
Prof. Zuankai WANG's innovative structured thermal armour (STA) resolves the Leidenfrost effect above 1,000°C, enabling efficient liquid cooling in extreme temperatures. This breakthrough applies to aero-engines, space-engines, nuclear reactors, and electronics devices, with far-reaching implications for chemistry and beyond.
Researchers discovered a unique optical signature in magnetic beads, which can be used to detect pathogens like Salmonella. This technique enables quick detection within less than an hour, potentially revolutionizing food and water testing.
Researchers at Texas A&M University have developed an isochoric vitrification technique that preserves and revives live coral fragments without forming ice. This breakthrough enables the collection of coral samples throughout the year, supporting conservation efforts to protect reefs and their diverse ecosystems.
Researchers develop adaptive fuzzy sliding mode controller to estimate unknown parameters and control nonlinear PAMs, showing improved tracking accuracy and adaptability compared to traditional methods.
Researchers developed a water-soluble nanoimprint mold to overcome challenges in metasurface fabrication. The novel approach enables high-resolution and high aspect ratio results at an affordable cost.
Researchers successfully recreated lung cancer patient's internal environment using hydrogel and 3D bioprinting, preserving specific lung cancer subtype and genetic mutation characteristics. The study enables precise drug evaluation and personalized treatment options for lung cancer patients with underlying diseases.
Scientists studied fluid dynamics to understand interfacial tension, a force affecting mixing of liquids. Their numerical simulation revealed a non-monotonic relationship between flow strength and hydrodynamic instability, overturning conventional wisdom.
A team of researchers has successfully created a high-performance graphene-dielectric interface using a novel technique called UV-assisted atomic layer deposition. This breakthrough results in uniform atomic layer deposition without compromising graphene's properties, leading to improved electrical performance and reduced defects.
University of Melbourne researchers developed a novel approach to 'tissue engineering' blood vessels by combining multiple materials and fabrication technologies. The method creates blood vessels with complex geometries like native blood vessels, offering a transformative solution for cardiovascular disease.
The Kennesaw State University's BRITE program aims to diversify the biomedical engineering field by recruiting students from underrepresented groups. Students will participate in clinical settings, receive faculty mentoring, and work on interdisciplinary research teams.
UVA professor Patrick Hopkins is developing a 'freeze ray' technology to cool electronics in spacecraft and high-altitude jets, which can't be cooled by nature due to the vacuum of space. The technology uses heat-generating plasma to create localized cooling, and has been granted $750,000 by the Air Force.
A Purdue University experiment is investigating how reduced gravity affects boiling and condensation, crucial for long-term space habitats. The research aims to provide data needed to answer decades-old questions about these phenomena in weightlessness.
Researchers have created a one-of-a-kind shape-shifting display that can generate scrolling text and fast enough to shake a chemistry beaker. The device uses soft robotic muscles that sense outside pressure, pop up to create patterns, and could potentially deliver the sense of touch in a digital age.
A new open-source software, NMSM Pipeline, enables clinicians and engineers to create personalized computer models of patient movement to optimize treatment designs. The software uses physics-based models to predict and optimize functional outcomes for patients with various mobility impairments.
Researchers at University of Houston develop prototype of fully stretchable fabric-based lithium-ion battery, addressing safety concerns and enabling new applications for wearable technology. The innovation uses conductive silver fabric as a platform and current collector, providing stable performance and safer properties.
Researchers develop energy-efficient chitinous films that can generate mechanical movement and produce electricity without external power. The films exhibit adaptability and molecular changes in response to environmental changes, enabling applications in engineering and biomedical fields.
Researchers investigated the fatigue behavior of 2D hybrid organic-inorganic perovskites (HOIPs), discovering they can survive over one billion cycles, outperforming most polymers under similar loading conditions. The study provides insights into designing and engineering these materials for long-term mechanical durability.
Researchers from Binghamton University found that collagen fibers in skin become more tightly packed together, leading to increased stiffness and tissue hardness. This study sheds light on the biological mechanisms behind sun-induced skin changes.
Researchers developed bio-piezoelectric smart scaffolds for next-generation bone tissue engineering, demonstrating potential for clinical applications. The scaffolds can reconstruct desired tissue EM through non-invasive ultrasonic stimulation, promoting cell adhesion and osteogenic differentiation.
Researchers at Rice University have created a new type of storage container that effectively prevents surface contamination for at least six weeks. The technology relies on an ultraclean wall with tiny bumps and divots, which attracts VOCs in air inside the containers.
Researchers developed a liquid nanofoam cushion that can absorb and dissipate high-force blows in collisions, reducing the risk of injury. The material is more flexible, comfortable to wear, and can be designed as lighter and smaller protective devices.
Research discusses challenges and future directions for porous metallic implant fabrication, focusing on microstructure, biocompatibility, and mechanical properties. The review aims to promote metabolite and nutrient exchange, bone ingrowth, and improved implant-tissue anchorage.
A research team at POSTECH successfully demonstrated the existence of bound states in the continuum using an acoustoelastic coupling structure. The phenomenon enables the confinement of elastic waves, similar to light particles, facilitating applications such as vibration focusing and energy harvesting.
An Aston University researcher has overturned a fundamental principle in construction by showing that a hanging chain and an arch are incompatible mechanical systems. This finding highlights the limitations of traditional analogies used to design and assess curved structures.
Researchers from Japan and Germany have created an eco-friendly light-emitting electrochemical cell using dendrimers combined with biomass-derived cellulose acetate as the electrolyte and a graphene electrode. The device has a long lifespan of over 1000 hours and is environmentally friendly.
Researchers at Cornell University developed a new method that uses machine learning to visualize nanotextures in thin-film materials. This technique overcomes the challenge of preserving the sample, allowing for dynamic study of thin films and discovery of new morphologies.
A recent study led by the University of Colorado Boulder found that burning from the Marshall Fire left a mark on buildings, with elevated concentrations of carcinogenic materials like polycyclic aromatic hydrocarbons (PAHs) detected in dust samples. The research aims to inform best practices for recovering after future wildfires.
A novel hydrogel has been developed to induce endometrial regeneration and elucidate its mechanism, offering new hope for patients struggling with infertility. The gel, made from uterus-derived decellularized extracellular matrix, successfully regenerated the endometrium in mice, creating a favorable environment for embryo implantation.
Researchers have developed a new material for single-molecule electronic switches, which can vary current at the nanoscale in response to external stimuli. The ladder-type molecular structure enhances stability and makes it promising for use in single-molecule electronics applications.
Researchers developed a soft robotic exoskeleton glove using AI to improve hand dexterity and classify song variations. The device provides real-time feedback and adjustments, making it easier for users to grasp correct movement techniques, with an accuracy of 97.13% in classifying correct and incorrect song versions.
The University of Pittsburgh researcher is working on a three-year project to harness the potential of liquid-solid interaction for biomedical engineering and suspension bridge construction. The study aims to precisely control microrobots through the bloodstream and prevent disasters like the Tacoma Narrows Bridge collapse.
A soft robotics glove with integrated sensors and AI can aid patients in relearning daily tasks after neurotrauma, including playing music. The glove provides hand guidance, amplifying dexterity and motor skills.
Researchers at Brown University have developed a krill-inspired robot called Pleobot, which emulates the swimming method of krill to navigate complex marine environments. The platform has the potential to enable scientists to understand how to engineer better robots for ocean navigation and exploration.
A research team at the Wyss Institute engineered a 3D model of extracellular matrix to study the impact of tissue mechanics on T cells. They found that viscoelasticity played a crucial role in shaping T cell traits and functions, enabling the creation of functionally distinct T cell populations for adoptive therapies.
The Lehigh University Industrial Assessment Center will conduct energy audits for manufacturing plants in the mid-Atlantic region, providing real-world training for students and professionals. The center aims to reduce industrial emissions and improve manufacturing competitiveness while enhancing workforce development in disadvantaged ...
Researchers at University of Nebraska-Lincoln are working on safeguarding US military base entry points against EV threats, focusing on high-speed ramming and zero-to-60 acceleration. The team will employ digital simulations and physical crash tests to refine barriers designed to withstand such impacts.
Researchers developed a new anode material that increases lithium-ion battery storage capacity by 1.5 times, allowing for fast charging in as little as six minutes. The innovation uses electron spin to enhance storage capacity and ferromagnetic properties.
Researchers at MIT have developed a superabsorbent material that can soak up record amounts of moisture from the air, even in dry conditions. The material is made by infusing hydrogel with lithium chloride and has shown to absorb and retain unprecedented amounts of water vapor.
Researchers at MIT have created a metal-free, Jell-O-like material that can conduct electricity similarly to conventional metals. The material is made into a printable ink, which the researchers patterned into flexible, rubbery electrodes.
Researchers have developed a meta-holographic display that generates holograms in both the visible and ultraviolet spectral regions. The breakthrough overcomes previous limitations and enables applications in security technologies such as anti-counterfeiting measures.
The Mori3 robot is a polygon shape-shifting robot designed for space travel, capable of morphing into any 3D object and adapting to various environments. Its versatility makes it an ideal candidate for communication and external repairs in spacecraft.
Researchers have published a first study on the mechanics of surgical knots, revealing a simple, robust emergent behavior vis-à-vis knot strength. The study analyzed 50-100 knots tied by a plastic surgeon and found relationships between knot strength and pretension, friction, and number of throws.
Researchers at the University of Illinois created a new system for desalination using microchannels in Prussian blue electrodes. The study found that adding these channels increased seawater desalination efficiency by five times, reaching salinity levels below freshwater thresholds.
Researchers at City University of Hong Kong developed a novel, wearable, olfaction feedback system with wireless capabilities for virtual reality. The system releases various odours using miniaturized odour generators and has been tested with an average success rate of 93 percent.
A research group has solved the long-standing mystery of how a quantized vortex interacts with a normal fluid in motion. They found that a specific model accounting for changes in the normal fluid and incorporating accurate mutual friction is most compatible with experimental results.
The study reveals the formation mechanism of a boundary lubrication film on the grinding interface, which reduces abrasive grain/workpiece contact area. Carbon group nanoparticles further enhance tribological performances, with reduced tangential grinding forces of 8.5-14.1%.
Researchers at Ulsan National Institute of Science and Technology have made a breakthrough in creating ultra-photostable avalanching nanoparticles that can perform unlimited photoswitching. This achievement has significant implications for fields like optical probes, 3D optical memory, and super-resolution microscopy.