Sentences with phrase «by electric currents»

And the finding may also help researchers circumvent superconductivity interference from magnetic fields induced by electric currents.
The earth's magnetic field is created by electric currents in an ocean of molten iron at its core.
The initial shock was, of course, followed by electric currents of anger that coursed through my son's little body.
«The key to this metamaterial and metadevice is vanadium dioxide, a phase change crystal with a phase transition that is triggered by temperatures created by an electric current,» said Lei Kang, research associate in electrical engineering, Penn State.
What's more, skyrmions can easily move through a material, pushed along by an electric current.
Pushed by an electric current, the magnetic whorls would travel to a sensor to be read.
In April neuroscientist Liane Young and her colleagues at MIT and Harvard University reported that they had altered people's moral judgments using transcranial magnetic stimulation, a procedure that briefly disrupts neural processing with a magnetic field induced by electric current.
The migration of those ions is accompanied by an electric current flowing through wires that are connected to the upper and lower molten metal layers, the battery's electrodes.
Each point of light is a single light - emitting diode (LED) powered by an electric current, which is switched on and off by a transistor.
Physicist Stuart Parkin and his colleagues at the IBM Almaden Research Center in San Jose, Calif., set out to determine just how magnetized regions move along nanowires when driven by electric current.
The researchers were using a technique where a mixture of proteins is separated within a gel by electric current, transferred to a polymer sheet, and probed with antibodies.
The Audi magnetic ride adaptive damper system with its magnetorheological fluid - filled dampers that can be influenced by an electric current is available as an option.

Not exact matches

By stretching the fibers nearly 40 feet long, the new material produced up to 1,000 volts of electric current.
This is the Duchenne, named after a French physiologist who recreated it by applying electric currents to his subjects» faces.
A wristwatch monitor was approved by the FDA in 2001, but patients said the low level electric currents pulling fluid from their skin was painful, and it was buggy.
But a number of questions will also be asked by shareholders, Buffett disciples that feed the electric current which will no doubt run through Omaha on Saturday.
The New York Times reports that China is taking a hard line on the two specific requests made by the Trump administration: to cut the US bilateral trade deficit by $ 100bn from the current $ 375bn, as well as limits to state support for advanced technologies like artificial intelligence, semiconductors, electric cars, and commercial aircraft, all part of the Made in China 2025 programme.
The Yard will provide additional space for train car maintenance, inspections and servicing for the electric fleet and thus allow the LIRR to increase service during the AM rush by almost 50 percent, adding eight westbound trains to the current AM schedule.
The bill, introduced by Assembly Majority Leader Joseph Morelle (D - Rochester), would allow the electric car maker to expand to 20 stores from its current roster of five, it said.
Residents across Long Island whose wallets continue to be squeezed by electric rates higher than nearly anywhere else in the country didn't need to read a 34 - page audit to know that current costs are unsustainable and unacceptable.
In three randomized trials, treatment of chronic low back pain with radiofrequency denervation, a procedure that can be performed with different techniques including the application of an electric current to the pain - conducting nerve, resulted in either no improvement or no clinically important improvement in chronic low back pain, according to a study published by JAMA.
They did this by using electric field tomography — sequentially running small amounts of current through the electrodes in pairs and noting any voltage differences.
Artificial «leaves» designed by Chong Liu and colleagues collect solar energy to generate electric current.
The lenses feature what is called an electrochromic polymer that changes hue in the presence of an electric current and that's provided by a tiny battery.
Extrapolating from his experience with a small eel, Catania estimates that a human struck on the trunk by a larger, 1.8 - meter - long electric eel might endure a current of 0.24 amperes, or 63 watts of power.
This is achieved by running a weak electric current through it while it is in light mode.
«Geomagnetically - induced currents on system infrastructure have the potential to result in widespread tripping of key transmission lines and irreversible physical damage to large transformers,» a 2009 report by the North American Electric Reliability Corp. (NERC) and the Energy Department says.
The movement of free electrons and the gaps created by those loosed particles generate an electric current.
When the researchers switched the electric current off by deoxygenating the water, thereby removing the electron acceptor at the sediment surface, the depth of the hydrogen sulfide layer in the sediment rose in less than an hour, as deeper microbes could no longer consume it.
More than 80 % of the incident visible sunlight was photoelectrically converted by this composite system into electric current available for the hydrogen generation,» says Schedel - Niedrig.
The devices work by sending electric currents to receptors in the skin, which interpret them as real sensations.
The electric eel generates large electric currents by way of a highly specialized nervous system that has the capacity to synchronize the activity of disc - shaped, electricity - producing cells packed into a specialized electric organ.
Because the cells are oriented inside the electric organ like a series of batteries piled into a flashlight, the current generated by an activated cell «shocks» any inactive neighbor into action, setting off an avalanche of activation that runs its course in just two milliseconds or so.
In the conventional Magnetherm process, the molten slag is heated by passing an electric current through it.
The collective flipping of large numbers of metallic nanowire atoms, forced by a large number of electrons in the electric current, moves the domain wall — and the data bits it separates — along.
Because solar storms enhance the electric currents that let this magnetosphere - ionosphere lightning take place, this type of energy transfer is much more likely when Earth's magnetic field is jostled by a solar event.
In the famous Miller - Urey experiment of the 1950s, researchers produced a rich soup of amino acids by running an electric current through flasks containing elements of a primitive Earth, thus showing how precursor chemicals could have formed here.
Those pixels are converted to an electric current that is sent to the business end of the plastic strip — a 12 - by - 12 grid of electrodes that rests on my tongue.
Scientists have converted a gentle flow of gas directly into an electric current by flowing common gases like oxygen, nitrogen, or argon over a special kind of semiconductor.
Besides direct application of heat, heat energy can be stored by passing an electric current through the material or irradiating it with light, enabling the repeated absorption and release of heat energy by a variety of methods.
In addition, this material stores heat energy by various approaches such as (b) electric current flow or (c) light - irradiation.
«The electrical signal is thus not based on an electric current but is caused by a mechanical force,» points out Thomas Heimburg.
In 1952, Hodgkin and Huxley introduced a model in which nerve signals were described as an electric current along the nerve produced by the flow of ions.
The new model accurately reproduces the electric current as well as the energy dissipated by the cell, in turn enabling calculation of its temperature.
In a thermo - photovoltaic device, external heat causes the material to glow, emitting light that is converted into an electric current by an absorbing photovoltaic element.
Today's electronic devices are powered by transistors, which are tiny silicon structures that rely on negatively charged electrons moving through the silicon, forming an electric current.
It converts the light into an electric current which is registered by the X-ray apparatus.
In July a report from MIT, On the Road in 2035, found that if a market for lightweight hybrid and plug - in hybrid electric vehicles were developed, the United States could cut its gas consumption by 68 billion gallons — about half our current fuel use — within 27 years.
By measuring the relationships between electric current, voltage and the pull of gravity, scientists can determine a number of fundamental values, including Planck's constant.
About a dozen possible next - generation candidates exist, including tunnel FETs (field effect transistors, in which the output current is controlled by a variable electric field), carbon nanotubes, superconductors and fundamentally new approaches, such as quantum computing and brain - inspired computing.
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