A newly developed holographic light collector boosts solar panel efficiency for an energy conversion increase of approximately five percent over the course of a year
Tag: ELECTRICAL ENGINEERING/ELECTRONICS
Generating electricity from heat using the spin Seebeck device
Thermoelectric (TE) conversion offers a carbon-free power generation from geothermal, waste, body or solar heat, and shows promise to be the next-generation energy conversion technology. At the core of such TE conversion, there lies an all solid-state thermoelectric device which…
Pristine quantum criticality found
Study: Quantum fluctuations may give rise to topological phases of matter
Integrated cyber attack analysis platform “NIRVANA Kai” supports IPv6
Succeeded in real-time visualization of packets flowing in the vast address space of IPv6
Researchers create world’s most power-efficient high-speed ADC microchip
Analag-to-digital converters are a key component of nearly every piece of electronic equipment
New findings help in protecting divertor without degrading core plasma
The high-power and long-pulse operation of tokamak will cause excessive particle flux and heat load on the divertor target plate. The surface of the target plate will be subject to intense sputtering, and the thermal load of the target plate…
Research of microring lasers shows prospects of optical applications in electronics
A paper by Kazan Federal University appeared in IET Microwaves, Antennas & Propagation
TPU scientists: Effective application of power transformers to reduce cost of electrical energy
Scientists from Tomsk Polytechnic University and Université Grenoble Alpes (France) have proposed a more accurate method for loading capability assessment of power transformers. As an example, the scientists defined the loading capability of the power transformer in Tomsk and Grenoble.…
A safer, greener way to make solar cells: researchers find replacement for toxic solvent
Scientists at SPECIFIC Innovation and Knowledge Centre, Swansea University, have found a way to replace the toxic, unsustainable solvents currently needed to make the next generation of solar technology. Printed carbon perovskite solar cells have been described as a likely…
NUS engineers harvest WiFi signals to power small electronics
Researchers have devised a method, using spin-torque oscillators, to harness wireless signals and convert them into energy to power small electronics
University of Surrey delivers novel methods to improve the range and safety of e-vehicles
A University of Surrey project has revealed innovative methods that could dramatically improve the performance of future electrical vehicles (e-vehicles). As part of the European Union’s STEVE* project, Surrey has developed several pioneering approaches to torque vectoring in electric vehicles.…
New material could create ‘neurons’ and ‘synapses’ for new computers
Classic computers use binary values (0/1) to perform. By contrast, our brain cells can use more values to operate, making them more energy-efficient than computers. This is why scientists are interested in neuromorphic (brain-like) computing. Physicists from the University of…
Scientists debut most efficient ‘optical rectennas,’ devices that harvest power from heat
Scientists at the University of Colorado Boulder have tapped into a poltergeist-like property of electrons to design devices that can capture excess heat from their environment–and turn it into usable electricity. The researchers have described their new “optical rectennas” in…
Scientists debut most efficient ‘optical rectennas,’ devices that harvest power from heat
Scientists at the University of Colorado Boulder have tapped into a poltergeist-like property of electrons to design devices that can capture excess heat from their environment–and turn it into usable electricity. The researchers have described their new “optical rectennas” in…
Novel intelligent vehicles guarantee water source for 2022 Olympic Winter Games
As the 2022 Beijing Olympic Winter Games is approaching, it’s urgent to secure the water quality of Guanting Reservoir, one of the water resources of the Games. Recently, researchers from the Institute of Solid State Physics (ISSP), Hefei Institutes of…
‘Bite’ defects revealed in bottom-up graphene nanoribbons
Graphene nanoribbons (GNRs), narrow strips of single-layer graphene, have interesting physical, electrical, thermal, and optical properties because of the interplay between their crystal and electronic structures. These novel characteristics have pushed them to the forefront in the search for ways…
New algorithm uses a hologram to control trapped ions
Researchers have discovered the most precise way to control individual ions using holographic optical engineering technology. The new technology uses the first known holographic optical engineering device to control trapped ion qubits. This technology promises to help create more precise…
Scientists at NREL report new synapse-like phototransistor
Researchers at the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) developed a breakthrough in energy-efficient phototransistors. Such devices could eventually help computers process visual information more like the human brain and be used as sensors in things like…
Electric vehicle batteries: The older they get, the safer they are
As part of the project “SafeBattery”, a team from Graz University of Technology (TU Graz) has been investigating the behaviour of lithium-based batteries in electric cars under crash loads for the past four years. “The performance of new battery cells…
Renewable energy sources: On the way towards large-scale thermal storage systems
KIT and partners conduct research into inexpensive and highly efficient thermal storage systems of the next generation
Blockchain as ‘TechQuity’: How tech solutions have the power to help the homeless
AUSTIN, Texas — For people experiencing homelessness, missing proof of identity can be a major barrier to receiving critical services, from housing to food assistance to health care. Physical documents such as driver’s licenses are highly susceptible to loss, theft…
Reducing blue light with a new type of LED that won’t keep you up all night
To be more energy efficient, many people have replaced their incandescent lights with light-emitting diode (LED) bulbs. However, those currently on the market emit a lot of blue light, which has been linked to eye troubles and sleep disturbances. Now,…
Nontoxic, flexible energy converters could power wearable devices
Nontoxic, nanotube-based thermoelectric generation converts uneven heat distribution from wearables to electrical energy for their next cycle of operation.
Germany grants the Optics University Center and Campus at Leibniz University Hannover
German Science Council recommends an investment of 54.2 million Euro to build the research building OPTICUM
Researchers demonstrate fully recyclable printed electronics
New technique reclaims nearly 100% of all-carbon-based transistors while retaining future functionality of the materials
Smart sensors to provide real time data for optimized operation of district heating grid
Researchers from the universities in Aarhus and Aalborg are working closely with leading companies to develop intelligent, battery-less sensors that communicate wirelessly to an autonomous cloud-based monitoring system
Boosting fiber optics communications with advanced quantum-enhanced receiver
Technology could avert capacity crunch by enhancing bandwidth while reducing energy consumption
Combining light, superconductors could boost AI capabilities
Optoelectronic integration at low temperatures using superconductors may be easier than at room temperatures using semiconductors.
City, University of London joins forces with Engineers Without Borders UK
The strategic university partnership is aimed at embedding global and social responsibility into education and student experience.
New tech builds ultralow-loss integrated photonic circuits
Encoding information into light, and transmitting it through optical fibers lies at the core of optical communications. With an incredibly low loss of 0.2 dB/km, optical fibers made from silica have laid the foundations of today’s global telecommunication networks and…
Transparent nanolayers for more solar power
Nanostructured material and a new cell design pave the way for the production of silicon solar cells with more than 26 percent efficiency
New method measures super-fast, free electron laser pulses
Using photoionization as an ultrafast, optical shutter, slow visible-light cameras can measure femtosecond extreme ultraviolet laser pulses
Finnish Quantum Institute announced
InstituteQ will coordinate research, education and innovation across Finland
Graphene: Everything under control
Research team demonstrates control mechanism for quantum material
Story tips: Mighty Mo material, fueling retooling, goods on the move, doubling concrete and more
Manufacturing – Mighty Mo Oak Ridge National Laboratory scientists proved molybdenum titanium carbide, a refractory metal alloy that can withstand extreme temperature environments, can also be crack free and dense when produced with electron beam powder bed fusion. Their finding…
A new, positive approach could be the key to next-generation, transparent electronics
Filling a crucial gap in the materials spectrum
New batteries give jolt to renewables, energy storage
ITHACA, N.Y. – The cost of harvesting solar energy has dropped so much in recent years that it’s giving traditional energy sources a run for their money. However, the challenges of energy storage – which require the capacity to bank…
Is battery recycling environmentally friendly?
Researchers conduct life-cycle assessment to determine the actual carbon footprint of recycling electric car batteries
Record GE Gas Power gift honors engineering legend, drives diversity in STEM fields
In an effort to bridge the gap between talent and opportunity, GE Gas Power today announced it is establishing a historic annual scholarship to support underrepresented minorities and women on campus – the largest in the history of Clemson’s College…
NTU Singapore scientists design ‘smart’ device to harvest daylight
Device can be used to illuminate dark, underground spaces in daytime
How many countries are ready for nuclear-powered electricity?
A study of 126 nations suggests that many lack the capacity to safely deploy nuclear power on their own
World’s largest public scenario database for testing and assuring safe autonomous vehicle
The Safety PoolTM Scenario Database, the largest public repository of scenarios for testing autonomous vehicles in the world, has been launched today by WMG at the University of Warwick, and Deepen AI
Study shows promise of quantum computing using factory-made silicon chips
A single qubit on a standard silicon transistor chip has been successfully demonstrated as “quantum capable” in a new study by the UCL spinout Quantum Motion, led by researchers at UCL and Oxford University.
Even without a brain, Penn Engineering’s metal-eating robots can search for food
When it comes to powering mobile robots, batteries present a problematic paradox: the more energy they contain, the more they weigh, and thus the more energy the robot needs to move. Energy harvesters, like solar panels, might work for some…
Biggest “local” 5G network in Japan comes to Tokyo Metropolitan University
Tokyo Metropolitan University (TMU) is constantly striving to maintain a cutting-edge research environment, not just to keep its place among the top universities in the world, but to promote research that resolves the big issues of big cities. As part…
Experimental hearing implant succeeds in registering brain waves
Researchers at KU Leuven (Belgium) have succeeded for the first time in measuring brain waves directly via a cochlear implant. These brainwaves indicate in an objective way how good or bad a person’s hearing is. The research results are important…
Breaking records like baking bread
Alloying, the process of mixing metals in different ratios, has been a known method for creating materials with enhanced properties for thousands of years, ever since copper and tin were combined to form the much harder bronze. Despite its age,…
Sussex scientists develop ultra-thin terahertz source
Physicists from the University of Sussex have developed an extremely thin, large-area semiconductor surface source of terahertz, composed of just a few atomic layers and compatible with existing electronic platforms. Terahertz sources emit brief light pulses oscillating at ‘trillion of…
Laser lights the way
A new way to observe laser interactions could improve laser-based manufacture
Deciphering the secrets of printed electronics
We live in a world where we want our electronics to be flexible, bendable and stretchable apart from being intelligent. Printed electronics technology has emerged as the main route to enable this vision.