Electrical Engineering
Articles tagged with Electrical Engineering
Ruthenium nano-TSV and all-dry SOI thinning advance backside power delivery
Boise State University researchers develop breakthrough technology to detect ‘forever chemicals’ faster, cheaper, and on-site
"Breaking the limits of OLED: Postech achieves low-votage freely color tunable ultra-pure laser emission"
Inspired by the brain, researchers build smarter, more efficient computer hardware
Recent advancements in the tribovoltaic effect for human motion energy harvesting and wearable self-powered sensing
Researchers developed a novel tribovoltaic effect-based strategy for human motion energy harvesting, enabling stable direct current output and simplifying system design. Advanced device designs enhance flexibility, durability, and adaptability to complex human motions, making it suitable for wearable applications.
UBCO breakthrough could transform future wireless networks
Researchers at UBC Okanagan have made a groundbreaking discovery in wireless communication by developing nonlinear intelligent surfaces that can process electromagnetic waves more efficiently. These surfaces mimic neurons in computerized neural networks, enabling complex signal transformations and improved communication reliability.
Researchers find smarter lighting could cut home energy use by 15%
Researchers found that improved lighting design combined with modern LED technology can reduce household energy use and enhance comfort. The study showed a 15.3% reduction in energy consumption by optimising lighting planning and positioning using software-based approaches.
In study of Taiwanese electronics firms, effects of offshoring on innovation were mixed
A study by Carnegie Mellon University found that offshoring of production in Taiwanese electronics firms had mixed outcomes on their innovative capabilities. In product categories that could be moved offshore more easily, innovation levels declined, but in other areas, research efforts were reallocated to boost innovation.
Ultraviolet light that fits on a chip
The Harvard-led team demonstrates a micron-scale photonic device that generates two orders of magnitude more UV light on a chip than previous approaches. By converting red light to UV light through frequency upconversion, the researchers create high-power, low-loss, compact UV sources.
SmartDJ lets users reshape audio experiences with simple words
Researchers have developed SmartDJ, an AI-powered editor that allows users to reshape audio experiences with simple words. The system uses language models and diffusion models to interpret high-level requests and generate edited outputs.
From air to tea: new sensor reveals invisible pollution in minutes
A new measurement technique using nanomembranes and infrared light detects tiny amounts of substances in minutes, reducing sampling time by 100-fold. The technology analyzes particles accumulating on a tiny membrane, heating it up when certain wavelengths are absorbed.
Scientists create a magnet with almost no magnetic field
Researchers at DTU have developed a new magnetic material that features a stable internal magnetic structure and almost no external magnetic field, above room temperature. This could enable faster components and lower energy consumption in spintronics.
How AI can help us count the ‘good’ viruses used in biopharmaceuticals
Researchers developed an AI-powered methodology to identify and count target viruses more efficiently than previous techniques. The new approach uses electrochemical impedance spectroscopy and machine learning to separate signals from noise, enabling quick and accurate readings across a wide range of titers.
How turbulences affect wind turbines
Researchers develop new concept to accurately model wind turbine loads, focusing on local gusts' impact on material fatigue. This enhances turbine design and efficiency by reducing uncertainties in load estimations.
Beyond silicon: the soft, dissolvable brain chips engineered to learn and vanish
Artificial synapses are built from soft, bio-friendly materials that operate like human brain synapses, merging data storage and computing into a single unit. Laboratory prototypes demonstrate immense capabilities, consuming energy on the scale of femtojoules.
Hannover Messe: Thin polymer films – the material behind a new generation of pumps
Researchers at Saarland University have developed a new class of miniature actuators using ultrathin silicone film-based pumps. The pumps can operate without motors, compressed air, or lubricants and can be switched on and off as needed.
Millimeter-scale resolution in fiber-optic sensing: single-ended technique advances infrastructure monitoring
Researchers develop signal-processing method to suppress distortions, achieving 6mm spatial resolution in single-ended Brillouin sensing. This enables early detection of damage or abnormal conditions in aging infrastructure.
New technique measures rare earth metals in living plants, boosting phytomining efforts
Researchers have developed a technique to detect and measure the concentration of rare-earth elements in plants without destroying them. The method uses fluorescence spectroscopy to distinguish between autofluorescence from plant matter and rare-earth element uptake.
HKU-led team develops privacy-preserving system for secure edge data analysis
The CLAP system integrates authentication and processing functions within a unified memristor-based platform, offering critical security protection for resource-constrained edge computing devices. It achieves remarkable energy efficiency gains and area reductions compared to conventional implementations.
Binghamton University graduate programs draw national attention in new ranking
Binghamton University has seen significant improvements in its graduate school rankings, with nearly three dozen programs earning national recognition. The university's Systems Science and Industrial Engineering program has been named the #31 Industrial and Systems Engineering graduate program in the US.
Pixelated BIC metasurfaces for terahertz integrated sensing and imaging
Researchers propose a novel THz metasurface-enabled platform for integrated sensing and imaging, overcoming limitations of slow sequential data acquisition. The system achieves 100% binary image reconstruction with nanosecond-scale accuracy, enabling real-time applications in security, semiconductor, and pharmaceutical sectors.
Artificial intelligence driven controllers imitating the human brain could strengthen the grid
A new study introduces AI-based control strategies that ensure local grids remain reliable and resilient. By utilizing Artificial Neural Networks, the system can predict and compensate for grid changes in real-time, outperforming traditional control methods.
Hannover Messe: Electronic switches made from smart polymer films – a first step towards flexible circuit boards
Scientists develop a new generation of energy-efficient transistors made from thin, lightweight electrically conducting films. The film-based switch can control the flow of electric current with high precision, enabling complex motion sequences or fixed positions.
Improving the energy and cost efficiency of hydrogen production – Hitachi Energy and the University of Vaasa begin research collaboration in Finland
Researchers focus on developing transformer efficiency and heat recovery to enhance hydrogen production energy efficiency. The goal is to significantly reduce electricity consumption by up to 35% and increase net efficiency to 85%.
UH engineer exposes structural weakness driving lithium-ion battery failure
Researchers have discovered that lithium dendrites in batteries are unexpectedly strong and brittle, causing short circuits and safety risks. The findings suggest that future battery design must change to improve safety and reliability of high-energy storage systems.
New chip design could boost efficiency of power management in data centers
Engineers at UC San Diego developed a new chip design that combines piezoelectric resonators with capacitors for efficient voltage conversion, achieving peak efficiency of 96.2% and delivering four times more output current than earlier designs.
Softens inside the body? The emergence of ‘transformation electrodes’
A Korean research team developed a spinal cord stimulator that softens upon contact with bodily fluids, mimicking surrounding nerve tissue. The device uses liquid metal and variable stiffness structures to achieve stable signal transmission and reduced costs.
The brain’s power could also help predict its decline
A team of researchers, led by Bistra Iordanova and Liang Zhan, are developing multiscale models of brain metabolism to predict cognitive decline and dementia. They will analyze data from brain imaging, blood flow, and neural activity to identify metabolic changes that affect brain function in aging.
When smell meets virtual reality: wearable olfactory device for a realistic VR experience
Researchers developed a wearable scent display that can blend up to eight fragrances in real time, enhancing immersive virtual experiences. The device uses advanced components to precisely control odor intensity and delivery.
Illinois Tech engineering professor Qing-Chang Zhong elected as AAAS fellow
Qing-Chang Zhong, Illinois Tech engineering professor, recognized for inventing synchronized-and-democratized (SYNDEM) architecture and pioneering virtual synchronous machines (VSM). His work reshapes how future power systems are conceived and operated to meet the demands of a rapidly evolving energy landscape.
Why solid-state batteries keep short circuiting
Researchers discovered that faster dendrite growth is associated with lower stress levels in a commonly used battery electrolyte material, revealing chemical reactions as a new culprit behind the problem. The study provides guidance for designing stronger electrolytes to make solid-state batteries successful.
Programmable ‘smart stamp’ transfers microscopic chips to build 3D circuits
Researchers develop programmable system to selectively pick up and place delicate electronic components, enabling mass production of defect-free displays and 3D microchips. The 'smart stamp' technology uses localized heating to control a polymer's stickiness, allowing precise transfer of semiconductor chips and other materials.
New framework bridges gaps in power grid operations with AI technology
A new framework, proposed by Professor Zongjie Wang, helps transmission and distribution operations work together to make holistic decisions without centralization. The method combines data from both systems using reduced distribution network models and AI-powered modeling to account for uncertainties and complexities.
Lead-free thin films turn everyday vibrations into electricity
Scientists at Osaka Metropolitan University developed high-performance lead-free piezoelectric thin films directly on standard silicon wafers. The films achieved the highest piezoelectric response ever reported for bismuth ferrite, enabling a fivefold improvement in energy conversion efficiency.
Escaping the bubble trap: Plant-inspired 3D electrodes unlock ultra-fast hydrogen production
Researchers have developed a 3D electrode inspired by an aquatic plant, which captures and transports gas bubbles to increase hydrogen production. The design achieved a current density eight times higher than common flat electrodes, collecting 53.9% more hydrogen.
Nanoscale hotspots in OLEDs may shorten their lifespans in phones, TVs
Researchers at the University of Michigan discovered that nanoscale hotspots in OLEDs can flicker, affecting device lifespans. These hotspots can cause uneven current flow, leading to faster burnout and reduced device performance.
Inside the light: How invisible electric fields drive device luminescence
Researchers at Osaka Metropolitan University discovered how shifting electric fields control light-emitting efficiency in devices like LEDs. By probing electron spin resonance, they found optimal electric field conditions for efficient recombination, leading to higher electroluminescence efficiency.
A dynamic twist of light’s ‘handedness’
The Harvard researchers' new device is elegantly designed to be tunable, with a bilayer design that becomes geometrically chiral and able to 'read' chiral light. By using the MEMS device to continuously vary the twist angle and interlayer spacing, the team showed they could tune the device's intrinsic ability to read different chiral l...
Brain-inspired device could lead to faster, more energy-efficient AI hardware
A brain-inspired hardware platform has been developed to improve pattern recognition speed, accuracy, and energy efficiency. The platform combines memory and computation on the same chip, allowing nodes to interact collectively like neurons in the brain.
More power, less heat: How metallic glasses are making motors more efficient
Researchers at Saarland University developed metallic glasses to reduce energy losses in electric motors, enabling more efficient operation. The new alloys minimize energy consumption in everyday devices, extending the range of e-scooters and drones.
Smart textiles with built-in “brain”: Shandong University team release fiber memristor-based physical reservoir computing system for ultra-low-power multi-modal sleep monitoring
The research team created a fiber memristor-based physical reservoir computing system that enables seamless, continuous, and unobtrusive sleep monitoring. The system achieved 94.8% accuracy in snore event detection, 95.4% in sleep stage classification, and 93.5% in multi-modal fusion tasks.
Engineers improve infrared devices using century-old materials
Researchers at Stanford University have developed a promising approach to using well-studied semiconductors to improve infrared light-emitting diodes and sensors. The new technology has the potential to lead to smaller, sleeker, and less expensive infrared devices with improved defect tolerance.
Electron microscopy shows ‘mouse bite’ defects in semiconductors
Cornell University researchers have used electron microscopy to detect 'mouse bite' defects in semiconductors, which can sabotage their performance. The imaging method has the potential to touch every form of modern electronics and could be a crucial tool for debugging and fault-finding in computer chips.
Beyond silicon: SKKU team presents Indium Selenide roadmap for ultra-low-power AI and quantum computing
Researchers have published a comprehensive technical roadmap for Indium Selenides, a key material for next-generation low-power and quantum computing. The study highlights the exceptional ballistic transport properties of InSe, enabling high-speed operation with significantly less energy.
IEEE honors Pitt’s Fang Peng with medal in power engineering
Fang Peng has made significant contributions to Z-source and modular multi-level converters for distribution and transmission networks. These technologies improve safety, flexibility, and performance in diverse energy sources. Peng's work aims to create resilient systems that can handle faults and prevent devastating wildfires.
SwRI and the NPSS Consortium release new version of NPSS® software with improved functionality
NPSS 3.3 offers new interfaces, features and data types to enhance model and component development times, supporting turbomachinery, air-breathing propulsion systems and hybrid electric systems. The software now includes FFI integration with external functions and built-in support for .CSV file format exports.
Test platforms for charging wireless cars now fit on a bench
Researchers at Tokyo Metropolitan University have created a rotating tabletop device to test dynamic wireless power transfer for electric vehicles. They successfully replicated conditions of a car moving at 40 kilometers per hour, promising accelerated research into next-gen charging.
NJIT faculty named Senior Members of the National Academy of Inventors
Two NJIT faculty members, Cesar Bandera and Sara Zapico, have been named Senior Members of the National Academy of Inventors for their demonstrated success in producing patented technologies with real-world impact. The class collectively holds over 2,000 US patents, making it the Academy's largest cohort to date.
When records are not enough
A team of scientists and industry experts investigated the challenges of developing new solar cells, including copper indium gallium diselenide and perovskite. They recommend focusing on material resilience, stability, and sustainability to ensure long-term success.
When smaller means better: analyzing how device scaling enhances memory performance
Researchers found that shrinking ferroelectric tunnel junctions significantly boosts their performance, producing larger resistance contrasts between 'ON' and 'OFF' states. This enables efficient and reliable memory technologies for emerging applications in AI, edge computing, and IoT.
Hair-width LEDs could replace lasers
New research demonstrates a micro–light-emitting diode (microLED) design that improves both efficiency and beam directionality. The redesigned microLEDs deliver substantially higher efficiency, converting more power into usable light compared to conventional designs.
University of Houston professor warns of nerve stimulation during MRI
Researchers found that implanted cuff electrodes can trigger unintended nerve stimulation during MRI, causing discomfort or pain. The study recommends more refined guidelines and careful safety considerations to mitigate this risk.
3D-printing platform from MIT researchers rapidly produces complex electric machines
MIT researchers create a 3D-printing platform that can produce complex electric machines in minutes, overcoming challenges of multiple functional materials. The platform enables the fabrication of customized electronic components with less waste, revolutionizing manufacturing and opening doors to new applications.
Distinguished researcher elected to National Academy of Engineering
Dr. Bruce Gnade, professor emeritus at the University of Texas at Dallas, has been elected as a member of the National Academy of Engineering for his contributions to advancing electronic materials and semiconductor device technologies. He is also recognized for his leadership in education and workforce development.
Microscopic laser can halve a computer’s energy use
Researchers at Technical University of Denmark developed a groundbreaking nanolaser that can halve a computer's energy consumption. This technology has the potential to revolutionize various industries, including information technology and healthcare, by enabling ultra-small and energy-efficient lasers.
University of Houston professor elected to National Academy of Engineering
Venkat Selvamanickam, a University of Houston engineering professor, has been recognized by the National Academy of Engineering for his contributions to industrial-scale advanced manufacturing processes for high-temperature superconductor wires. His work has transformed the energy industry and modernized electric grids, strengthening e...
Surgery for quantum bits
Scientists have developed a method to perform quantum operations between logical qubits while correcting for potential errors. The 'lattice surgery' technique involves splitting and merging surface-code squares to entangle two logical qubits, allowing for fault-tolerant quantum computing.
Terahertz microscope reveals the motion of superconducting electrons
Physicists have developed a new terahertz microscope that allows them to observe quantum vibrations in superconducting materials for the first time. The microscope enables researchers to study properties that could lead to room-temperature superconductors and identify materials that emit and receive terahertz radiation.
Three Illinois Tech engineering professors named IEEE fellows
Three Illinois Tech engineers recognized for their contributions to sustainable wireless communication and networking. Boris Pervan also received an award for his work on satellite navigation integrity. Thomas Wong honored for his research in high-frequency electronics and materials characterization.