Current Electric Field News and Events

Current Electric Field News and Events, Electric Field News Articles.
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Magnetic effect without a magnet
Electric current is deflected by a magnetic field - this leads to the so-called Hall effect. A surprising discovery has now been made at TU Wien: an exotic metal was examined and a giant Hall effect was found to be produced by the material, in the total absence of any magnetic field. (2021-02-22)

Optical frequency combs found a new dimension
Scientists from EPFL and IBM Research Europe have demonstrated the generation of tunable and coherent frequency combs in a pair of hybridised optical microresonators. (2021-02-20)

Sounding rocket CLASP2 elucidates solar magnetic field
Cooperative operations between a solar observation satellite and a sounding-rocket telescope have measured the magnetic field strength in the photosphere and chromosphere above an active solar plage region. This is the first time that the magnetic field in the chromosphere has been charted all the way up to its top. This finding brings us closer to understanding how energy is transferred between layers of the Sun. (2021-02-19)

Should Uber and Lyft be electrifying more vehicles?
Increases in air pollution and greenhouse gas emissions caused by ridesourcing impact human health and the environment--what happens when companies shoulder that cost? (2021-02-19)

Selective concentration of cationic species
POSTECH Professor Geunbae Lim Develops a Multiscale-Porous Anion Exchange Membrane. (2021-02-18)

RUDN University physicists analyzed the role of gravity in elementary particles formation
Gravity might play a bigger role in the formation of elementary particles than scientists used to believe. A team of physicists from RUDN University obtained some solutions of semi-classical models that describe particle-like waves. They also calculated the ratio between the gravitational interaction of particles and the interaction of their charges. (2021-02-17)

Electricity source determines benefits of electrifying China's vehicles
Researchers have concluded air quality and public health benefits of EVs -- as well as their ability to reduce carbon emissions -- in China are dependent on the type of transport electrified and the composition of the electric grid. (2021-02-16)

Electric transmission operators could benefit from temperature-dependent resource adequacy modeling
A new paper contributes to these ongoing reliability considerations by using a unique data set to determine how both low and high temperatures reduce the reliability of coal, gas, diesel, hydroelectric, and nuclear power generators and thus affect the amount of generation markets should contract for. The paper, ''Resource Adequacy Implications of Temperature-dependent Electric Generator Availability,'' by researchers at Carnegie Mellon University, was published in Applied Energy. (2021-02-12)

A new quantum switch for electronics
A Russian physicist and his international colleagues studied a quantum point contact (QCP) between two conductors with external oscillating fields applied to the contact. They found that, for some types of contacts, an increase in the oscillation frequency above a critical value reduced the current to zero - a promising mechanism that can help create nanoelectronics components. (2021-02-11)

Solar awnings over parking lots help companies and customers
Michigan Tech engineers look into the untapped potential of parking lots in a study that investigates the energy-related benefits of developing charging stations powered with solar canopies built into the parking infrastructure of large-scale retailers like Walmart. (2021-02-10)

Electric cable bacteria breathe oxygen with unheard efficiency
Electric cable bacteria breathe oxygen with unheard efficiency. Ten years ago, researchers at Aarhus University, Denmark, reported the discovery of centimeter-long cable bacteria, that live by conducting an electric current from one end to the other. Now the researchers document that a few cells operate with extremely high oxygen consumption while the rest of the cells process food and grow without oxygen. An outstanding way of life. (2021-02-10)

Shining a light on the true value of solar power
Utility companies have worried that solar panels drive up electric costs for the people who don't have panels. Michigan Tech renewable energy researchers show the opposite is actually true -- grid-tied solar photovoltaic (PV) owners are actually subsidizing their non-PV neighbors. (2021-02-09)

NTUsg researchers develop flexible piezoelectric crystal
A team of researchers led by Nanyang Technological University, Singapore (NTU Singapore) has developed a new material, that when electricity is applied to it, can flex and bend forty times more than other materials in the same class, opening the way to better micro machines. (2021-02-08)

Two-phase material with surprising properties
Some materials can couple electrical and mechanical properties - this can lead to astonishing effects: New materials have been developed, consisting of both crystalline and amorphous regions. In these special polymers, the electro-mechanical coupling suddenly disappers - scientits at TU Wien have found out how. (2021-02-08)

Synchronization of brain hemispheres changes what we hear
Most of the time, our brain receives different input from each of our ears, but we nevertheless perceive speech as unified sounds. This process takes place through synchronization of the areas of the brain involved with the help of gamma waves, neurolinguists at the University of Zurich have now discovered. Their findings may lead to new treatment approaches for tinnitus. (2021-02-08)

Mathematics developed new classes of stellar dynamics systems solutions
The Vlasov-Poisson equations describe many important physical phenomena such as the distribution of gravitating particles in the interstellar space, high-temperature plasma kinetics, and the Landau damping effect. A joint team of scientists from the Mathematical Institute of RUDN University and the Mathematical Institute of the University of Munich suggested a new method to obtain stationary solutions for a system of Vlasov-Poisson equations in a three-dimensional case. (2021-02-05)

Harvard scientists use trilayer graphene to observe more robust superconductivity
Harvard scientists report successfully stacking three sheets of graphene and then twisting each of them at a magic angle to produce a three-layered structure that is not only capable of superconductivity but does so more robustly and at higher temperatures than many of the double-stacked graphene. (2021-02-04)

How do electrons close to Earth reach almost the speed of light?
In the Van Allen radiation belts, electrons can reach almost speed of light. Hayley Allison and Yuri Shprits, German Research Centre for Geosciences, have revealed conditions for such strong accelerations. They had demonstrated in 2020: during solar storm plasma waves play a crucial role. However, it remained unclear why ultra-relativistic electron energies are not achieved in all solar storms. In Science Advances they now show: extreme depletions of the background plasma density are crucial. (2021-02-02)

Batteries that can be assembled in ambient air
POSTECH-Ulsan College joint research team develops a multi-functional separator membrane that traps impurities in the air. Opens the possibility of a battery manufacturing environment that reduces processing costs without a dry room. (2021-02-01)

Salt battery design overcomes bump in the road to help electric cars go the extra mile
Using salt as a key ingredient, Chinese and British researchers have designed a new type of rechargeable battery that could accelerate the shift to greener, electric transport on our roads. (2021-02-01)

Physicists create tunable superconductivity in twisted graphene 'nanosandwich'
MIT physicists have created tunable superconductivity in 'magic-angle' trilayer graphene. The structure may reveal conditions necessary for high-temperature superconductivity. The work was led by researchers in the Jarillo-Herrero research group. (2021-02-01)

Skoltech imaging resources used in international experiment with new photocatalysts
Skoltech researchers helped their colleagues from Japan, Germany, the United States, and China study the crystal structure and optical properties of a new class of two-dimensional compounds, which can be used as effective visible-light-responsive photocatalysts for energy and chemical conversion. They used the Advanced Imaging Core Facility equipment for imaging and structural analysis. (2021-02-01)

Double delight: New synthetic transmembrane ion channel can be activated in two ways
Scientists at Tokyo Institute of Technology (Tokyo Tech) and University of Tokyo, Japan, have, for the first time, synthesized a novel artificial transmembrane ion channel--modelled on a naturally found transmembrane channel involved in neuron signaling--that responds to both chemical and electrical stimuli. Given its overall properties, this artificial channel opens doors to novel fundamental research into cellular transport and signaling, new possibilities in drug development, and the potential for new types of biosensors. (2021-02-01)

Tesla's advantage: EVs cannot succeed without developing parallel supercharging networks
What has Tesla done right and where have other electric vehicle makers gone wrong? (2021-02-01)

Synthesizing valuable chemicals from contaminated soil
Scientists at Johannes Gutenberg University Mainz (JGU) and ETH Zurich have developed a process to produce commodity chemicals in a much less hazardous way than was previously possible. In the current issue of Science, the researchers report that they have been able to utilize electrolysis, i.e., the application of an electric current, to obtain chemicals known as dichloro and dibromo compounds, which can then be used to synthesize commodity chemicals. (2021-01-29)

New ion trap to create the world's most accurate mass spectrometer
Mass spectrometers are widely used to analyze highly complex chemical and biological mixtures. Skoltech scientists have developed a new version of a mass spectrometer that uses rotation frequencies of ionized molecules in strong magnetic fields to measure masses with higher accuracy (FT ICR). The team has designed an ion trap that ensures the utmost resolving power in ultra-strong magnetic fields. (2021-01-28)

New concept for rocket thruster exploits the mechanism behind solar flares
A new type of rocket thruster that could take humankind to Mars and beyond has been proposed by a physicist at PPPL. The device would apply magnetic fields to cause particles of plasma to shoot out the back of a rocket and propel the craft forward. (2021-01-28)

Otago study examines attitudes toward climate change risk
A University of Otago study explored factors which influence Americans' levels of concern over climate change, providing discussion on how those factors could impact mitigation efforts. (2021-01-28)

Ions in molten salts can go 'against the flow'
In a new article published in the scientific journal Communications Chemistry, a research group at Uppsala University show, using computer simulations, that ions do not always behave as expected. In their research on molten salts, they were able to see that, in some cases, the ions in the salt mixture they were studying affect one another so much that they may even move in the ''wrong'' direction - that is, towards an electrode with the same charge. (2021-01-27)

A benchmark for single-electron circuits
Manipulating individual electrons with the goal of employing quantum effects offers new possibilities in electronics. In order to gain new insights into the physical origin and into metrological aspects of the small, but inevitable fundamental uncertainties governed by the rules of quantum mechanics, scientists from the Physikalisch-Technische Bundesanstalt(PTB) and the University of Latvia have collaborated to develop a statistical testing methodology. Their results have been published in the journal Nature Communications. (2021-01-26)

Charged up: revolutionizing rechargeable sodium-ion batteries with 'doped' carbon anodes
Rechargeable batteries like lithium-ion batteries (LIBs) are seeing a surge in demand as technologies like electric propulsion ships and other vehicles become increasingly popular. However, lithium is costly, which has driven the search for other options. Sodium-ion batteries (SIBs) are a more sustainable alternative but are thermodynamically unstable with graphite--the usual anode material. Now, researchers in Korea have developed a ''heteroatom-doped'' (modified) carbon-based anode that helps SIBs to surpass the performance of LIBs. (2021-01-25)

AI trained to read electric vehicle charging station reviews to find infrastructure gaps
Although electric vehicles that reduce greenhouse gas emissions attract many drivers, the lack of confidence in charging services deters others. Building a reliable network of charging stations is difficult in part because it's challenging to aggregate data from independent station operators. But now, researchers reporting January 22 in the journal Patterns have developed an AI that can analyze user reviews of these stations, allowing it to accurately identify places where there are insufficient or out-of-service stations. (2021-01-22)

A professor from RUDN University developed new liquid crystals
A professor from RUDN University together with his Indian colleagues synthesized and studied new dibenzophenazine-based liquid crystals that could potentially be used in optoelectronics and solar panels. (2021-01-22)

Researchers make domestic high-performance bipolar membranes possible
A team led by Prof. XU Tongwen and Prof WU Liang from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) adopted an in-situ growth idea to construct a stable and efficient membrane (2021-01-21)

RUDN University neurosurgeon created a method to collect mental activity data of software developers
A neurosurgeon from RUDN University studied the mental activity of developers at work. In his novel method, he combined mobile EEG devices and software that analyzes neurophysiological data. (2021-01-21)

How to get more electric cars on the road
MIT researchers reveal the kinds of infrastructure improvements that would make the biggest difference in increasing the number of electric cars on the road, a key step toward reducing greenhouse gas emissions from transportation. (2021-01-21)

Blockchain technology to optimize P2P energy trading
A research team of Tokyo Institute of Technology, in collaboration with Mitsubishi Electric Corporation, has developed a new technology an original blockchain technology that can optimize peer-to-peer (P2P) energy trading. The technology is expected to contribute to more effective use of surplus electricity from renewable energy by creating trading environments that flexibly respond to shared trading needs, particularly to maximize the amount of surplus electricity available in the market at any given time. (2021-01-19)

Alcohols exhibit quantum effects
Skoltech scientists and their colleagues from the Russian Quantum Center revealed a significant role of nuclear quantum effects in the polarization of alcohol in an external electric field. The new research provides insight into the properties of liquid dielectrics. The core assumption of the model pertains to a novel understanding of dielectric polarization phenomena in polar liquids by means of nuclear quantum effects. (2021-01-19)

Inexpensive battery charges rapidly for electric vehicles, reduces range anxiety
Range anxiety, the fear of running out of power before being able to recharge an electric vehicle, may be a thing of the past, according to a team of Penn State engineers who are looking at lithium iron phosphate batteries that have a range of 250 miles with the ability to charge in 10 minutes. (2021-01-18)

A massive advance in spectrometry
Kanazawa University scientists use computer simulations of charged molecules to help improve the accuracy of mass spectrometers. By understanding the collisions between ions that reduce excess charges, this work may lead to more sensitive radiocarbon dating and medical testing. (2021-01-18)

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