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UrduHemispherical array of ultrasound transducers lifts objects off reflective surfaces
Tag: ELECTRICAL ENGINEERING/ELECTRONICS
Cascaded metasurfaces for dynamic control of THz wavefronts
Dynamic control of THz wavefronts demonstrated by rotating layers of cascaded metasurfaces
Doctoral student bridges gap between electronics and optics
New chip can revolutionize the current data rate for processors using microwave photonics
Global approach is needed on battery regulation
New European Union regulations on batteries could offer a huge boost to the global decarbonisation mission – but only if it leverages its political and economic weight to ensure a fairer global marketplace. According to a team of scientists and…
‘Wrapping’ anodes in 3D carbon nanosheets: The next big thing in li-ion battery technology
Study finds that anchoring manganese selenide nanoparticles, an anode material, in 3D carbon nanosheets prevents their expansion in lithium-ion batteries
“Magic-angle” trilayer graphene may be a rare, magnet-proof superconductor
New findings might help inform the design of more powerful MRI machines or robust quantum computers.
Origami comes to life with new shape-changing materials
Imagine opening up a book of nature photos only to see a kaleidoscope of graceful butterflies flutter out from the page. Such fanciful storybooks might soon be possible thanks to the work of a team of designers and engineers at…
Main attraction: Scientists create world’s thinnest magnet
A one-atom thin 2D magnet could advance new applications in computing and electronics
Solar cells: Layer of three crystals produces a thousand times more power
The photovoltaic effect of ferroelectric crystals can be increased by a factor of 1,000 if three different materials are arranged periodically in a lattice. This has been revealed in a study by researchers at Martin Luther University Halle-Wittenberg (MLU). They…
Study: Wireless radiation exposure for children is set too high
Levels should be hundreds of times lower than current federal limits
Bonding’s next top model — Projecting bond properties with machine learning
Tokyo, Japan – Designing materials that have the necessary properties to fulfill specific functions is a challenge faced by researchers working in areas from catalysis to solar cells. To speed up development processes, modeling approaches can be used to predict…
NASA returns Hubble Space Telescope to science operations
NASA has returned the science instruments on the Hubble Space Telescope to operational status, and the collection of science data will now resume. This will be the first science data collected since the payload computer experienced a problem on June…
An automated flight control system for drone swarms has been developed
“The project’s main objective is to integrate a certain degree of automation, so that an operator can control a small fleet of up to 10 drones from a single ground station,” says Luis E. Moreno, LABYRINTH’s coordinator and researcher at…
Following cancer progress in real time
UH researcher receives $2.7M grant to develop test with ‘unprecedented early detection power’
Air-powered computer memory helps soft robot control movements
‘Airhead’ robot uses pneumatic RAM to play piano
UBCO researchers light the way to cleaner water
Fluorescence lighting helps detect impurities in water
Scientists take first snapshots of ultrafast switching in a quantum electronic device
They discover a short-lived state that could lead to faster and more energy-efficient computing devices
Unlocking efficient light-energy conversion with stable coordination nanosheets
Scientists design a high-performance, self-powered, UV photodetector using 2D nanosheets that show record photocurrent stability under air exposure
Introduction to 6G vision and technology
The book starts with a general vision of 6G technology, which includes the motivation that drives 6G research, the international organizations working on 6G standardization and recent progress in 6G research. It also provides details about the millimetre wave and…
Solar radio signals could be used to monitor melting ice sheets
The sun provides a daunting source of electromagnetic disarray – chaotic, random energy emitted by the massive ball of gas arrives to Earth in a wide spectrum of radio frequencies. But in that randomness, Stanford researchers have discovered the makings…
The rat’s whiskers: multidisciplinary research reveals how we sense texture
Mathematicians and neuroscientists achieve breakthrough in understanding how whiskers ‘amplify’ texture
This device harvests power from your sweaty fingertips while you sleep
Feeling extra sweaty from a summer heat wave? Don’t worry–not all your perspiration has to go to waste. In a paper publishing July 13 in the journal Joule , researchers have developed a new device that harvests energy from the…
Demonstration of World Record: 319 Tb/s Transmission over 3,001 km with 4-core fiber
>120 nm signal bandwidth comprising 552 WDM channels and using both-doped fiber and Raman amplification
With $3M grant, UArizona-led center to advance at-home health care technology
A multi-institution team led by the University of Arizona aims to develop clinically validated wearable technologies to remotely monitor patient health
Unlocking radiation-free quantum technology with graphene
“Heavy fermions” are an appealing theoretical way to produce quantum entangled phenomena, but until recently have been observed mostly in dangerously radioactive compounds. A new paper shows it is possible to make them in subtly modified graphene
New radio receiver opens wider window to radio universe
Researchers have used the latest wireless technology to develop a new radio receiver for astronomy. The receiver is capable of capturing radio waves at frequencies over a range several times wider than conventional ones, and can detect radio waves emitted…
Instant COVID sensor to prevent outbreaks and protect communities
Sensor detects COVID-19 and variants on people’s breath, even when they are asymptomatic
The pressure is off and high temperature superconductivity remains
Development of a new pressure-quench technique demonstrates superconductivity in iron selenide crystals sans pressure
DGIST launched ‘Institute of Next-generation Semiconductor convergence Technology (INST)’
DGIST opened INST to support the creation and further commercialization of next-generation semiconductor convergence technologies. President Young Kuk, DGIST, as well as other prominent administrators and academic members, attended the opening ceremony. Since 2011, DGIST has established the “Seven Core…
A universal approach to tailoring soft robots
An integrated design optimisation and fabrication workflow opens new opportunities for tailoring the mechanical properties of soft machines.
Beyond 5G: Wireless communications may get a boost from ultra-short collimating metalens
Screens may be larger on smartphones now, but nearly every other component is designed to be thinner, flatter and tinier than ever before. The engineering requires a shift from shapely, and bulky lenses to the development of miniaturized, two-dimensional metalenses.…
Plant patch enables continuous monitoring for crop diseases
Researchers from North Carolina State University have developed a patch that plants can “wear” to monitor continuously for plant diseases or other stresses, such as crop damage or extreme heat. “We’ve created a wearable sensor that monitors plant stress and…
Wildfire detection takes flight
Networks of ground-based sensors paired with airborne drones could give firefighters a critical edge when battling wildfires, KAUST researchers have found. The sensor/unmanned aerial vehicle (UAV) network could significantly shorten the time taken to detect a wildfire, giving firefighters a…
Non-stop signal achieved in high-power Er3+-doped mid-infrared lasers
The Mid-infrared lasers (MIR) with high peak power and high repetition rate operating in the range of 2.7~3 μm have important application in laser surgery and optical parametric oscillator (OPO). A recent study conducted by SUN Dunlu’s research group at…
Stress-free path to stress-free metallic films paves the way for next-gen circuitry
Optimized sputtering technique helps minimize stress in tungsten thin films
Energy production at Mutriku remains constant even if the wave force increases
The EOLO group has developed a statistical model that relates the power generation of the Mutriku wave farm to wave energy
Engineer’s graphene additive manufacturing research makes journal’s cover story
MANHATTAN, KANSAS — Research led by Kansas State University’s Suprem Das, assistant professor of industrial and manufacturing systems engineering, in collaboration with Christopher Sorensen, university distinguished professor of physics, shows potential ways to manufacture graphene-based nano-inks for additive manufacturing of…
Insect-sized robot navigates mazes with the agility of a cheetah
This flexible, durable robot can traverse complex terrain and quickly swerve to avoid obstacles, qualities that could one make it an asset for search and rescue operations
New chatbot can explain apps and show you how they access hardware or data
Hey GUI helps you find information on apps and their user interfaces with a simple conversation rather than complex tools or code
The first commercially scalable integrated laser and microcomb on a single chip
A laser breakthrough
Skin in the game: Transformative approach uses the human body to recharge smartwatches
UMass Amherst team designs prototype charging system for wearable devices
Identifying a topological fingerprint
Anomalous planar Hall effect (APHE) the ‘smoking gun’ for topological magnetic monopole
Transforming the layered ferromagnet F5GT for future spintronics
Record-high electron doping in a layered ferromagnet
Machine learning for solar energy is supercomputer kryptonite
Scientists have found a way to predict the band gap of photovoltaics materials in milliseconds with a conventional PC, potentially leaving the world’s most powerful and expensive processing machines gathering dust
Mining precious rare-earth elements from coal fly ash with a reusable ionic liquid
Rare-earth elements are in many everyday products, such as smart phones, LED lights and batteries. However, only a few locations have large enough deposits worth mining, resulting in global supply chain tensions. So, there’s a push toward recycling them from…
Cold weather cost New England electric customers nearly $1.8 billion in one month; A new study suggests ways to mitigate fuel shortages
In New England, constraints in the supply of natural gas have led to nearly a quarter of all unscheduled power plant outages. In a new study, researchers used data from power plant failures in the 2010s to develop a supply…
AI system-on-chip runs on solar power
AI is used in an array of extremely useful applications, such as predicting a machine’s lifetime through its vibrations, monitoring the cardiac activity of patients and incorporating facial recognition capabilities into video surveillance systems. The downside is that AI-based technology…
The vision: Tailored optical stimulation for the blind
Stimulation of the nervous system with neurotechnology has opened up new avenues for treating human disorders, such as prosthetic arms and legs that restore the sense of touch in amputees, prosthetic fingertips that provide detailed sensory feedback with varying touch…
Pioneering chemistry approach could lead to more robust soft electronics
RESEARCH TRIANGLE PARK, N.C. — A new approach to studying conjugated polymers made it possible for an Army-funded research team to measure, for the first time, the individual molecules’ mechanical and kinetic properties during polymerization reaction. The insights gained could…
Researchers translate a bird’s brain activity into song
Study demonstrates the possibilities of a future speech prosthesis for humans