Articles tagged with Mechanical Engineering
Researchers have developed a novel 3D printing strategy that preserves the folding structure and molecular function of various biopolymers, enabling precise control over size and geometry at submicron resolution. The technique allows for the production of 3D biopolymeric architectures with functional integrity and biofunctions.
Researchers have developed an organoid-based method to assess the potency of glycoconjugate vaccines, speeding up the vaccine development process. This method uses tissue from a single mouse to create hundreds of immune organoids, allowing for the assessment of dozens or even hundreds of vaccine candidates in just four days.
A new study has introduced a technique to effectively and efficiently mitigate risks by misperception of image recognition AI used in automated driving systems. Researchers have developed DNN repair methods that explore sets of parameters responsible for each misperception type, leading to more effective risk mitigation.
Scientists have discovered how sandgrouse hold water in their feathers, enabling males to fly long distances and retain enough water for chicks. The unique feather structure uses capillary action to absorb and retain water.
Researchers at the University of Bath have successfully created antimicrobial ferroelectric composite materials using a novel 3D printing process. These materials can eradicate E coli bacteria within 15 minutes, with potential applications in heart valves, stents, and bone implants.
Scientists from NTU Singapore have developed a sustainable cooling method for servers in data centers, reducing energy consumption and CO2 emissions by up to 26%. The new spray cooling system can handle high computing power servers in smaller spaces, leading to significant space savings and energy efficiency.
A WPI researcher is leading a three-year project to investigate the effects of stretching and blood flow on cardiovascular cells in tissue-engineered heart valves. The project aims to expand understanding of mechanical forces that propel cells in the body, with potential applications in other fields like cancer and wound healing.
Researchers have developed a novel autonomous, submersible, 3D holographic microscope and imaging system to study marine particles and plankton in their natural environment. The AUTOHOLO system achieved 90% accuracy in detecting red tide blooms at varying concentrations, enabling near real-time monitoring and tracking of bloom phases.
WVU engineers developed a new electrode cuff called MouseFlex to test electric current treatments, overcoming previous challenges with stability and durability. The device can withstand high electrical stimulation and may benefit patients with conditions like rheumatoid arthritis and drug-resistant epilepsy.
Researchers developed a robotic finger with high-resolution sensors that capture data along the entire length of each finger. The three-fingered robotic hand can identify objects after just one grasp, with 85% accuracy, using tactile sensing and machine-learning algorithms.
A research team from Pohang University of Science & Technology has engineered an artificial kidney to detect adverse drug reactions and provide personalized treatment. The team successfully fabricated a glomerular microvessel-on-a-chip that recapitulates the kidney's filtering function and evaluates its response to various toxins.
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.
Researchers have developed a functional polymeric binder for stable, high-capacity anode material that can increase the current EV range at least 10-fold. The new polymer utilizes hydrogen bonding and Coulombic forces to control volumetric expansion, resulting in a thick high-capacity electrode and maximum energy density.
A new study reveals that contaminated bubble bursting produces aerosols with smaller sizes, greater number of drops, and higher ejection speeds. This finding has significant implications for public health and environmental impact.
A team of researchers from POSTECH and Georgia Tech developed a biohybrid 3D printed heart model with integrated sensors to monitor drug-induced cardiotoxicity. The platform enables real-time, continuous monitoring of heart contractions, facilitating the testing of acute and chronic pharmacological effects.
Researchers developed innovative contrast-enhancing agents to tackle limitations of photoacoustic imaging, including low SNR, image contrast, and targeted delivery. The study suggests promising strategies such as photoswitching agents, near-infrared-II agents, and micromotor agents.
The University of Texas at El Paso has joined a $2.5 million NASA-led project to develop 3D-printed rechargeable batteries using lunar and Martian regolith. Researchers will utilize additive manufacturing processes, such as material extrusion and vat photopolymerization, to produce shape-conformable batteries for space applications.
Researchers utilize liquid crystal droplets to visualize electric field distribution within microelectrodes, revealing rotational and translational behaviors under applied voltage. The technique provides high spatial resolution and detection accuracy, enabling defect location analysis.
Advances in drilling technology are unlocking geothermal energy's full potential, with supercritical water offering an efficient energy source. Improved drilling methods aim to overcome the financial barrier of deep geothermal exploration, enabling a step-change in power output.
Researchers at the University of Missouri are acquiring a new transmission electron microscope (TEM) with a $800,000 grant from the National Science Foundation. The TEM will allow them to conduct experiments in real-time and gain a greater understanding of material structure at an atomic level.
Researchers at Pohang University of Science & Technology (POSTECH) created a multifunctional vortex beam capable of operating with a wide range of light frequencies using a metasurface. The breakthrough technology has the potential to store more information at the same frequency, paving the way for 6G communication systems.
Jefferson Lab has appointed Tim Michalski as its new Engineering Division Manager, overseeing the division's 200 staff members supporting key projects. With extensive experience in engineering and management, Michalski aims to incorporate best practices from previous organizations to drive success.
Researchers developed a new approach to suturing based on the mechanics and spacing of a hitchhiker plant's attachment system, promising to balance forces across sutures and reduce failure rates in surgical procedures. The findings were published in Proceedings of the Royal Society A.
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 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 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 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.
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.
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.
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 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.
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.
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.
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.
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 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.