Articles tagged with Voltage
Researchers from OIST have developed a novel technique to record the activity of single neurons in awake animals, allowing for the detection of even the smallest changes in voltage. This breakthrough enables the study of how neurons function in living organisms, providing insights into brain function and behavior.
A new microscopy technique allows researchers to visualize liquids at the nanoscale level, revealing unique properties of water and heavy water. The technique uses a specialized sample holder to trap tiny amounts of liquid, enabling high-resolution imaging and spectroscopy techniques.
Physicists at the University of Tokyo have discovered a new method to generate electricity in special materials called Weyl magnets, exploiting temperature gradients. This could lead to the creation of low-power, low-maintenance electronic devices.
Researchers propose a new method to protect power grid systems from cyber-attacks by utilizing PMUs and machine learning algorithms to identify real oscillations. This approach can help prevent catastrophic failures caused by GPS spoofing attacks
A new tri-layer structure made of Cr2O3, YIG, and Pt enables significant control over the transmission of spin current at room temperature. This discovery is a major breakthrough in spintronics, paving the way for more efficient information processing devices.
Researchers have developed molecular nanoswitches that can switch between two states using an applied voltage, enabling the development of novel electro-optical devices. This breakthrough could replace silicon-based components with organic molecules, reducing component sizes in electronics.
Scientists have developed a way to alter external factors like voltage to control the transport of molecules through biological channels. The study, published in EPJ E, shows that applying an electric current can overcome energy barriers and facilitate molecule transfer.
Researchers found that mutations create a hole in the voltage sensor of muscle cells, allowing sodium ions to leak and trigger muscle weakness. A new class of compounds may block this pore and prevent or treat hypokalemic periodic paralysis.
Researchers have discovered a non-canonical pathway that triggers the opening or closing of ion channels through a zipper-like mechanism. This finding offers insights into how these channels regulate vital processes such as heartbeat and pain transmission.
Researchers at the University of Washington have developed a wireless flying robotic insect called RoboFly that can take independent flaps. The insect uses a laser beam to power its wings and is controlled by a microcontroller that mimics the fluttering of a real insect's wings.
Researchers at the University of Illinois have isolated a protein supercomplex from a bacterial membrane that generates a voltage across the bacterial membrane, enabling efficient ATP production. The study's findings will inform future efforts to obtain the atomic structures of large membrane protein supercomplexes.
Carbon nanotubes are proving to be highly versatile for all types of spaceflight applications, including analyzing the chemical properties of rocks and soil on airless bodies. The nanotechnology works as envisioned, emitting enough electrons to excite samples and offering significant improvements over existing instruments.
Using Raman spectroscopy, researchers have followed electrons through individual cable bacteria and found that voltage loss prevents efficient functioning beyond 3 cm into the sediment. The bacteria can distribute energy between cells using cytochromes, but lose electrical potential when electrons are unloaded to oxygen.
A novel voltage signal has been observed in a hybrid metal nanowire-superconductor structure, where the voltage peak appears at the proximity-induced superconducting transition temperature and is proportional to the cooling rate. This finding offers a new method for detecting superconductivity without damaging or dissipating current.
Scientists at University of Warwick discovered that physically deforming semiconductors used in commercial solar cells can generate a non-centrosymmetric structure, allowing for the bulk photovoltaic effect. This could potentially increase power generation efficiency by overcoming the Shockley-Queisser Limit.
A new study reveals the existence of a pseudogap state in 1T-TiSe2, which shares similarities with high-Tc cuprates. The discovery indicates that CDW and superconductivity do not compete in this material, providing insight into the superconducting mechanism and its interplay with CDW.
Researchers at Cornell University have made a breakthrough in controlling atomically thin magnets using an electric field, opening the door to more powerful and efficient data storage. This technology has the potential to replace current methods that consume electrical power and create heat.
Researchers have developed a new cathode material that uses cation-mixing to improve sodium storage, leading to superior rate capability, high energy efficiency, and excellent cycling performance. The
Researchers detected tDCS-generated electric fields (EFs) deep in the brain using DBS electrodes in patients with Parkinson's disease. The study provided dose-dependent and montage-specific evidence that scalp-applied current penetrates the brain, challenging previous assumptions.
Researchers at Saarland University developed a new self-optimizing conveyor technology that adapts to the size, weight, and desired speed of materials. The technology uses silicone polymer-based artificial muscles to transport dry bulk materials with sensor capabilities.
Researchers at Saarland University develop a new generation of electroactive polymers, which can act as sensors and actuators, requiring minimal energy and resources. The technology has potential applications in various industries, including self-metering valves, motorless pumps, and tactile aids for touchscreens.
Researchers at Chalmers University of Technology have developed a fabric that converts kinetic energy into electric power. The textile generates electricity when stretched or exposed to pressure, and can currently light an LED, send wireless signals, or drive small electric units.
Researchers have discovered that Piezo channels are highly sensitive to changes in membrane voltage, which helps cells protect themselves from mechanical overstimulation. This mechanism has been found to exist in humans, mice, flies, and fish, and is even more pronounced in older species.
Tufts University biologists computationally model and manipulate electrical patterns in developing frog embryos to prevent nicotine-induced defects. They identify a hyperpolarization-activated channel that restores normal bioelectric patterns, rescuing embryos from brain defects.
Researchers at MIT have created a fluorescent sensor that allows them to image neurons' electrical communications without electrodes. This breakthrough could enable the study of brain activity in millisecond-by-millisecond detail, revolutionizing our understanding of neural behavior and cognition.
Researchers developed an electric eel-inspired device that produced 110 volts from gels filled with varying strengths of salt water, leveraging ion gradients across hydrogels. The team hopes to increase the current and develop a power source for implantable devices utilizing existing human body ionic gradients.
Researchers at Columbia University have developed a flexible spine-like lithium-ion battery with high energy density, stable voltage, and excellent mechanical properties. The battery's design is inspired by the human spine and provides remarkable flexibility and durability, making it a promising candidate for wearable electronics.
Researchers at NIST have built a superconducting switch that learns like a biological system, connecting processors and storing memories in future computers operating like the human brain. The synapse can process incoming electrical spikes to customize spiking output signals, using less energy than the human brain.
Researchers have discovered a new material that slows down the decay of hot electrons in solar cells, allowing for more energy to be harvested. This could lead to a significant increase in solar cell efficiency, from 33% to 66%, and make a major contribution to providing clean and sustainable energy.
The researchers have designed non-planar vertical semiconductor fin-like structures that are laterally interconnected to form wavy transistor arrays. This design widens the transistors by 70% without expanding their occupied pixel area, doubling the transistor performance.
Researchers at Aalto University have developed a new breed of 'memristors' that can store data for more than 10 years without power and work with low voltages. These ferroelectric tunnel junctions have the potential to revolutionize neuromorphic computing and enable efficient IoT processing.
Researchers at Shinshu University have designed a wearable robot that utilizes plasticized polyvinyl chloride (PVC) gel to provide assistance for individuals with weakened muscles and mobility issues. The system consists of mesh electrodes and applied voltage, enabling natural movement while decreasing muscular activity.
Researchers at Stanford University and national labs uncover mechanism behind voltage loss in lithium-rich cathodes, paving the way for optimized performance. The discovery could enable batteries to store more energy, allowing electric cars to travel longer distances between charges.
Researchers at MIT developed a new design for gallium nitride power devices that can handle higher voltages, potentially reducing energy waste in electric vehicles, data centers and the power grid. The device uses a bladelike fin design to confine current, improving efficiency and heat dissipation.
Researchers at KAIST developed ultra-flexible organic flash memory that can be applied to non-conventional substrates like plastics and papers. The memory technology exhibits a significantly-long projected retention rate with programming voltages on par with industrial standards.
Researchers developed an electronic skin that glows when subjected to high-pressure, mimicking the Atolla jellyfish's bioluminescent response. This innovation improves prosthetics and robotics by detecting a wider range of pressures, addressing the limitations of current technologies.
Researchers at North Carolina State University have discovered that applying low voltage to gallium indium can induce the formation of unique fractal patterns. The discovery has significant implications for controlling liquid metals, as it allows for reversible and effective manipulation of surface tension.
The updated values of Planck Constant and others bring world closer to revised measurement system, ensuring uniformly precise measurements that scale smoothly from almost infinitesimal to enormous. The new definition will redefine the SI's seven base units, including kilogram, kelvin, and ampere.
Researchers successfully controlled electrons in graphene using a high-tech microscope, paving the way for novel electronic devices. This breakthrough could lead to ultra-fast transport of electrons with low energy loss in applications such as transistors and sensors.
Researchers at Universitat Autonoma de Barcelona discovered that reversing the orientation of polar crystals can reduce their indentation toughness, making them easier to dent. This effect can be achieved by applying an external voltage or simply turning the material upside down.
Researchers have successfully modelled electrons under extreme temperatures and densities, providing new insights into fusion experiments and potentially leading to a clean source of energy. The study solves a decades-old problem in physics by accurately simulating the thermodynamic properties of interacting electrons.
Researchers at Kumamoto University discovered that pressure can be generated by stacking graphene oxide nanosheets and that this pressure increases with heat treatment. The study found a maximum pressure of 38 x 10^6 Pa, which can be adjusted by changing the heat treatment temperature.
Researchers at Imperial College London have created a filter that can switch between reflecting and transmitting light by fine-tuning the distance between nanoparticles in a single layer. This development could lead to the creation of special materials with real-time tunable optical properties.
Researchers design a second-order sliding mode controller to eliminate frequency fluctuations and improve control of DC-DC buck converters. The new method retains robustness while allowing flexibility in the sliding line parameter.
Scientists demonstrate reversible manipulation of quantum interference in metal nanostructures by applying mechanical strain to deform the contact. This allows for the creation of a voltage switch with reliable performance over multiple cycles.
A team of researchers has developed a novel type of memory called magnetoelectric memory, which reduces energy consumption by a factor of 10,000. This breakthrough technology could enable instant device startup and lower energy costs in computing hardware applications.
Researchers developed a new inlet design for Hall thrusters that significantly increases thrust by creating a vortex in the discharge channel. The design improvement resulted in higher gas density and uniformity, leading to improved performance and increased specific impulse of up to 53.5%.
Researchers at the University of British Columbia developed a smart surface that can repel and absorb liquids, controlled by applying electric potential. The copper-based surface exhibits rapid and reversible changes in wetting behavior, making it suitable for various industrial and consumer applications.
Researchers from the University of Basel create a chip that maintains and transmits electron spin information over large distances using electrical voltages. The technique overcomes spin decay, allowing for targeted spin manipulation without information loss.
Harvard researchers develop a technique to control and measure spin voltage using atomic-sized defects in diamonds, allowing for measurements in chip-scale devices. This breakthrough enables the study of spintronics and exotic physics.
Researchers at Universitat Autonoma de Barcelona have developed a new nanoporous material that can increase magnetic domain orientation efficiency, reducing the energy needed to process data. This innovation has the potential to significantly improve computer energy efficiency and increase mobile device autonomy.
Researchers at NIST have made the most precise determination yet of Planck's constant, a fundamental value that will help redefine the kilogram. The new measurement has an uncertainty of just 13 parts per billion, exceeding international requirements for redefining the unit.
Researchers at the University of Waterloo developed a new sensor technology that can measure tiny objects with high accuracy, potentially leading to breakthroughs in medical diagnosis and gas detection. The sensor uses electromagnetism to determine mass, reducing interference and enabling wireless transmission of results.
Researchers at NIST have contributed to accurate new measurements of the Boltzmann constant using a novel technique called noise thermometry. This approach measures the random motion of electrons in a resistor, allowing for more precise temperature measurements and potentially better thermometers for industry.
A new millimeter-wave amplifier developed by Hiroshima University and Mie Fujitsu Semiconductor can operate at a power supply voltage of 0.5 V, significantly reducing energy consumption and increasing reliability. This technology has the potential to improve driver-assistance and self-driving capabilities in vehicles.
Researchers discovered laser-induced graphene is highly effective against bacteria and resists biofouling. When electrified, LIG kills bacteria through a combination of contact with its rough surface, electrical charge, and toxicity from hydrogen peroxide production.
A new quantum-circuit refrigerator has been invented by Mikko Möttönen and his team at Aalto University, which reduces errors in quantum computing. The device uses a nanoscale cooling mechanism to cool qubits, making them more reliable and powerful.
Researchers found that hot electrons can create a photovoltage about a thousand times larger than what is seen if there is no gap. The discovery shows the potential for nanoscale photodetectors to convert light into electricity and sensors or other sophisticated electronics.
Researchers developed a smart contact lens sensor that can monitor biomarkers for diabetes and glaucoma, allowing real-time health monitoring and wireless transmission of data. The sensor uses transparent and flexible materials, maintaining its characteristics even when deformed or exposed to human tears.
A study by Hokkaido University researchers found that voltage rhythms are synchronized across the entire suprachiasmatic nucleus (SCN), maintaining a tissue-wide rhythm. This discovery suggests that inter-cellular interactions within the SCN may be responsible for synchronizing voltage changes, separate from asynchronous calcium rhythms.