Articles tagged with Electrical Engineering
Researchers at University of California - Riverside observe time crystals in a system not isolated from its environment, achieving a major breakthrough. The all-optical time crystal uses a disk-shaped magnesium fluoride glass resonator and has potential applications in accurate measurements and precision timekeeping.
Researchers developed GaN-based CMOS logic circuits that can reduce power consumption in power conversion systems by 20-30%. The technology offers improved thermal management and energy efficiency, making it suitable for high-performance applications like data centers and autonomous driving.
Researchers at Surrey and the Federal University of Pelotas developed a low-cost, environmentally friendly way to produce flexible supercapacitors. The new technology can significantly extend the lifespan of Internet of Things devices, such as smartwatches and fitness trackers.
A comprehensive guideline for exploring nanoscale flexoelectricity via AFM tip pressing has been developed by a joint team of researchers. The method allows for the control of flexoelectricity in nanometer-sized materials, showing potential applications as generators and actuators in nanoscale units.
A new study by NYU Tandon professor Nikhil Gupta explores the recyclability of lithium-ion and lead-acid batteries, highlighting the need for a circular economy approach. While lead acid batteries have a high recycling efficiency, lithium-ion batteries pose significant challenges due to their rapidly evolving chemistry and cell design.
MIT researchers develop a method to test feature-attribution methods for machine-learning models. They find that even the most popular methods often miss important features in an image and some perform as poorly as a random baseline. This has major implications for high-stakes situations like medical diagnoses.
The new sensor grids offer 100 times higher resolution than existing technology, allowing for more precise identification of seizure origins and preservation of healthy brain tissue. Longer term, the technology holds potential for permanent implantation to improve life quality for people with paralysis or neurodegenerative diseases.
The University of Surrey researchers have developed a method to generate up to 3.1% biaxial strain and 8.5% uniaxial strain in single-crystal silicon using ion implantation, which could lead to the development of germanium lasers and near-infrared sensors for smartphones.
Researchers at the University of Surrey have successfully demonstrated the use of multimodal transistors in artificial neural networks, achieving practically identical classification accuracy as pure ReLU implementations. The study paves the way for thin-film decision and classification circuits, which could be used in more complex AI ...
New research introduces adaptable smart window design that can heat or cool a house. The film changes its properties to absorb sunlight in winter and reflect it in summer, reducing energy consumption by 20-34%.
Surrey experts identify overlooked factors contributing to inefficient TFTs, suggesting optimization opportunities for SGTs. They share crucial electrostatic properties secret ingredient for successful transistor realization.
Researchers at NTU Singapore have developed biodegradable zinc batteries made of cellulose paper that can power flexible electronics and biomedical sensors. The batteries are non-toxic, do not require aluminum or plastic casings, and can be buried in soil to break down within weeks.
Researchers at the University of Missouri have developed a free online resource that speeds up data analysis of human genomes three times faster than current methods. This enables scientists to see how an individual's genome makes them susceptible to different diseases in different ways, ultimately reducing associated costs and increas...
Researchers have developed a new two-photon microscope that provides subcellular resolution of multiple brain regions, enabling monitoring of neural circuitry in mammals. The microscope has the largest field of view and imaging speed to capture changes in neuron activity during behavior.
A new fluid has been created that can be molded and patterned using light, with potential applications in adaptive optics, mass transport, and microfluidics manufacturing. The fluid's surface tension is dependent on temperature, making it susceptible to laser manipulation.
Researchers at UC Santa Barbara successfully reconstructed a Bloch wavefunction from physical measurements, shedding light on electron behavior in materials. The team's method, using a terahertz laser and infrared excitation, overcomes previous challenges in measuring wavelike properties.
Lignocellulose, a plant-based material, can be used to create light-reactive surfaces for windows or materials that react to certain chemicals. By customizing lignocellulose, researchers can improve light absorption and achieve better operating efficiency in solar cells.
A new nine-state regional coalition will develop and provide hands-on training, exercises, and materials for students and professionals to protect critical infrastructure from computer attacks. The coalition aims to grow a skilled workforce in the region's rural areas.
Scientists at Osaka Prefecture University developed a novel method for creating uniform, electrically conductive nanosheets using oil and water interfaces. The approach resulted in highly organized three-dimensional nanostructures with high electrical conductivity, offering potential applications in energy devices and sensors.
The AI optimization improves the motor's power factor, reducing disruptions to the power grid. The optimized motor shows excellent performance, with improved efficiency and increased torque while drawing less current.
Researchers at Kobe University have developed a novel power control system for wireless power transfer, enabling precise and efficient energy transfer while reducing circuit components and costs. The system uses resonant frequency tracking and load impedance regulation to minimize power losses.
Researchers aim to create a flexible security feature that learns from past cyberattacks and requires minimal human intervention. They'll collaborate with device developers to share solutions and improve future responses to attacks.
Researchers at WVU aim to characterize autism patients' behaviors using behavior-tracking technology. They plan to use artificial intelligence to identify traits associated with ASD, which could lead to more accurate diagnoses and personalized interventions. The study also has the potential to improve early detection in young children.
By reading electrical signals in a bird's brain, researchers can predict specific syllables and when they will be sung. This breakthrough technology has the potential to develop vocal prostheses for humans with speech disorders.
Researchers at UC San Diego developed a new UWB system that enables precise 3D localization and tracking for applications like VR, sports analytics, and autonomous robots. The system uses low power and achieves latency of just one millisecond.
Researchers developed a high-precision THz time-domain ellipsometry system to characterize wide-gap semiconductors. The system can measure carrier densities up to 10^20 cm^-3 with superior accuracy and precision, resolving a long-standing challenge in the field.
A study by Purdue University and collaborators has found a way to demonstrate habituation and sensitization in nickel oxide, a quantum material that mimics the sea slug's most essential intelligence features. This discovery could lead to building hardware-based AI with improved efficiency and reduced energy consumption.
The Center for Integration of Modern Optoelectronic Materials on Demand will develop new semiconductor materials and scalable manufacturing processes for applications in displays, sensors, and quantum communication. The center aims to connect academic research with industrial and governmental needs, educating a diverse STEM workforce.
Researchers developed electrically-driven soft valves to control hydraulic soft actuators, enabling faster and more powerful control of macro- and small-scale hydraulic actuators. The breakthrough allows for unprecedented motion control of soft robots with internal volume ranging from hundreds of microliters to tens of milliliters.
Researchers from the University of Tsukuba have discovered that ultraviolet light can modulate oxide ion transport in a perovskite crystal at room temperature. This enables the enhancement of future battery and fuel cell functionality by increasing energy storage and output efficiency.
A research team at POSTECH has developed a stretchable anisotropic conductive film that connects flexible electronic devices. The film enables high-resolution circuits connection, low-temperature processing, and production scalability for deformable devices and displays.
A team of researchers from Osaka University and international partners used intense mid-infrared laser pulses to alter magnetic anisotropy in a weak ferromagnet. They found that electronic excitation, rather than lattice heating, was responsible for the ultrafast change, enabling faster spintronics devices. This breakthrough has signif...
Researchers have discovered a new material that can produce beautiful optical phenomena, including concentric rainbows. The technology has potential applications in aiding autonomous vehicles in recognizing traffic signs, particularly in real-world conditions.
Researchers at Karlsruhe Institute of Technology have developed a record-breaking lithium-metal battery with an energy density of 560 Wh/kg, retaining 88% capacity after 1000 cycles. The battery features a nickel-rich cathode and a dual-anion ionic liquid electrolyte, which significantly improves stability.
Researchers developed a new memory device that uses perovskite to store and visually transmit data, achieving parallel and synchronous reading of data through electrical and optical methods. The device has the potential for numerous applications in next-generation technologies.
Researchers at UC San Diego developed a system that splits a single millimeter wave beam into multiple paths to improve reliability and throughput. The technology achieved high speeds of up to 800 Mbps with 100% reliability, even in outdoor tests over distances of 262 feet.
Researchers at RMIT University have developed a wave energy converter that doubles the power harvested from ocean waves, overcoming technical challenges and unlocking vast untapped potential. The dual-turbine design is cost-effective and requires no special syncing technology.
Researchers at Nagoya City University find a fourfold increase in surface deuterium atoms on nanocrystalline silicon, paving the way for sustainable deuterium enrichment protocols. The efficient exchange reaction could lead to more durable semiconductor technology and potentially purify tritium contaminated water.
A University of Texas at Arlington electrical engineering graduate student has been awarded a prestigious Phi Kappa Phi Fellowship to focus on developing advanced robotic control systems. The fellow will utilize the award to pursue research in mechatronics and automation.
A research team at Kansas State University is working on a three-year project to monitor a cancerous tumor's immune state to assess immunotherapy interventions. The goal is to drive more tumors into a favorable state, ultimately contributing to improved cancer immunotherapy treatment.
Researchers at Rice University have developed a model of how internal states and external stimuli shape the behavior of hydra, a tiny, jellyfish-like creature. By studying their neural networks, scientists can gain insights into fundamental principles that may apply to more complex animals.
The UCLA-led team has devised a solution to enhance wavelength-conversion efficiency by exploring semiconductor surface states. Incoming light is bent using a nanoantenna array, allowing for easy and efficient conversion of wavelengths.
Researchers from Shinshu University have successfully confined and protected magnetic skyrmions using patterns of modified magnetic properties. This method offers a promising approach for building reliable channels for confinement, accumulation, and transport of skyrmions as information carriers.
The NTU team created flexible UV light sensors that are 25 times more responsive and 330 times more sensitive than existing sensors. These sensors can be used in wearable devices to monitor personal UV exposure and reduce the risk of skin cancer.
Researchers at North Carolina State University demonstrated a low-cost technique for recycling nanowires from electronic devices. The method involves dissolving the polymer matrix containing the nanowire network and separating the nanowires using ultrasound, allowing for their reuse in new devices. After four life cycles, the nanowires...
Researchers created a quadruple fusion optical and ultrasound imaging system, integrating four modalities: ultrasound, photoacoustic, optical coherence tomography, and fluorescence imaging. The system uses a transparent ultrasound transducer to produce high-quality images without limitations.
Tinnitus is a common hearing disorder affecting 7-8% of the population, causing irritability, depression, and even suicidal thoughts. Researchers review its pathophysiology, health impacts, and innovative engineering approaches to suppress its effects.
The Ramanujan Machine generates mathematical conjectures without proof, imitating Ramanujan's intuition using AI and computer automation. It has already produced known formulas for pi, Euler's number, and other constants, as well as several unknown conjectures.
Researchers from FAU's College of Engineering and Computer Science are developing new theory and methods to curate training data sets for AI learning and screen real-time operational data for safe field deployment. The project aims to identify faulty, unusual and irregular information for AI operations.
Researchers at University of Missouri are developing an AI-powered detection system to identify and prevent deepfakes. The system will learn from a small number of examples and self-evolve to detect evolving techniques, providing real-time alerts to smartphone users.
A Rutgers study suggests that 5G wireless networks may impact the accuracy of weather forecasts. The study found that even low levels of 5G radiation can affect precipitation and temperature predictions by up to 0.9 millimeters and 2.34 degrees Fahrenheit, respectively.
The five-year accelerated bachelor's and master's degree program provides curricular and co-curricular support to increase diverse STEM research population, addressing growing need for more underrepresented groups in engineering and AI.
Florida Atlantic University will develop an innovative curriculum for graduate students in data science and analytics, addressing a lack of integrative knowledge in the field. The program aims to equip students with technical depth, data visualization skills, and expertise in AI and industry applications.
Rice University researchers are developing an open-source platform to turbo-charge the research process of inventing novel machine-learning based techniques for intelligent wireless network management and optimization. The 3DML platform will provide agile and flexible tools to manage and protect complex wireless networks.
Lobachevsky University scientists have developed new ways to modify the structure of aluminium alloys, improving their performance. They used induction casting in vacuum and plastic deformation technologies to create homogeneous highly plastic structures that maintain high strength, thermal resistance, and electrical conductivity.
A team of researchers from Florida Atlantic University has developed an AI-powered COVID-19 knowledge base to better understand the spread of the virus. The knowledge base will be used to create a predictive tool that assesses an individual's risk level based on demographics, policies, and social behavior.
Researchers at the University of Cincinnati are exploring potential security weaknesses in voice-activated speakers like Alexa and Google Home. They found that hackers can exploit devices using a passive attack called 'voice command fingerprinting', which involves eavesdropping on data transferred between the smart speaker and the clou...
A team of researchers led by Gang Tan aims to create parsers that provide provable guarantees about safety and are resistant to bugs. The SPARTA system focuses on securely opening PDFs, but the goal is to apply this technology to other formats as well.
A novel point-of-care testing device that detects COVID-19 through genetic material may provide early diagnosis and control the spread of the disease. The device's potential benefits include a turnaround time of under 45 minutes, making it an urgent solution for capacity enhancement in testing COVID-19.
Gautam Das, associate dean for research at UTA, recognized for his contributions to search and ranking in databases and deep web querying. His work on DBXplorer has been widely cited by researchers worldwide.