Sentences with phrase «of electric current»

Then pulses of electric current are passed through her brain via electrodes positioned on her head.
Those technologies include the «driver» used to crush the fuel capsule, such as lasers, heavy ion beams, or powerful pulses of electric current.
Using electrical measurements he collected during the eel attacks, Catania came up with an equation to estimate the amount of electric current flowing from the eel into his arm.
Cluster pioneered measurements of electric currents in space, revealed the nature of black aurorae, and discovered that plasma — a gas of charged particles surrounding Earth — makes «waves».
Scientists simply input two parameters into the equation: separation distance, and certain material properties of each object — namely, the maximum amount of electric current that can build up in a given material.
But the definition of one fundamental physical quantity — the ampere, the unit of electric current — falls somewhat short of that ideal.
Or if the inventor of the telegraph applied for a patent covering any use of electric current for communication.
«There shouldn't be any use of electric current,» says Director Claire Nouvian.
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.
When he and his team replaced the light - sensitive components of a solar cell with a very thin layer of the perovskite, the illuminated cell pumped out a little bit of electric current.
Scientists at PPPL have produced self - consistent computer simulations that capture the evolution of an electric current inside fusion plasma without using a central electromagnet, or solenoid.
Scientists at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) have produced self - consistent computer simulations that capture the evolution of an electric current inside fusion plasma without using a central electromagnet, or solenoid.
The peril of electric current should be clarified not to include damage to most electronics.
VORTEX FOUND Newly observed swirls of electric current in a high - temperature superconductor (shown in an artist's conception) may indicate that the unusual material fits within the standard theoretical picture.
By stretching the fibers nearly 40 feet long, the new material produced up to 1,000 volts of electric current.
And the same holds true for oscillations of electric currents and electric fields which the brain produces.
When placed in a magnetic field, many superconductors display swirling vortices of electric current — a hallmark of the standard superconductivity theory.
«Conventional computers use the starting and stopping of electric currents at gates to communicate.
This compound mediates the transfer of electrons from the biological membranes to the electrical circuit, enabling the creation of an electric current in the cell.
Superconducting materials exhibit an invaluable feature when cooled below a critical temperature — they allow the transport of an electric current without loss.
How would Michael Faraday have described his «project»: «To conduct a series of experiments with the purpose of discovering the induction of an electric current»?
When sunshine strikes a solar cell, some of the electrons in the cell take on energy but quickly lose most of it as thermal energy rather than breaking loose to become part of an electric current.
Otto Overbeck claimed to have the answer: wire yourself up to his «Rejuvenator», plug in the battery and enjoy the scintillating buzz of an electric current that slowly restores your body's youthful vigour.
For example, photons are the fundamental constituent of light and electrons of electric current.
Summers underwent regular physical therapy sessions during which researchers passed pulses of electric current through the electrodes to stimulate neurons in the spinal cord.
When hooked up to an electronic sensor, the pad converts signals from the sensor into small pulses of electric current across the grid, which the tongue «reads» as a pattern of tingles.
When one attempts to recharge a battery by reversing the direction of electric current flow, the opposite takes place: a reduction reaction proceeds at the negative electrode, and an oxidation reaction takes place at the positive electrode.
The action of electric currents driven by moving gas later amplified the field inside galaxies by a «dynamo effect».
Smaller species send out slight tingles of electric current that detect the fish's surroundings in murky nighttime water.
The team also found the moment of conversion resulted in a sudden reduction of electric current, suggesting diamene could have interesting electronic and spintronic properties.
The turbulence was uncovered using just two of the four Cluster satellites and showed for the first time that the solar wind plasma is extremely structured at this high resolution with turbulent swirls bordered by a sheet of electric current just 20 kilometres across.
Most missions studying the magnetosphere focus their efforts around the equator where much of the electric currents flow.
Based on the fact that nothing can grab hold of your attention as effectively as an electric shock, Pavlok have created the first «behavior change wearable» that will jolt you with 340 V of electric current whenever you choose not to follow your fitness plan (or any other plan, for that matter).
Proper flow of electricity relies on adequate hydration and minerals because these are both conductors of electric current.
But it quickly becomes apparent that director Alfonso Gomez - Rejon has no idea what to do with the true story of Thomas Edison versus George Westinghouse and their fight to bring their respective systems of electric current to the U.S.. It's a movie that has a clear conflict but couldn't find a theme with two hands a flashlight.
Each time a network is activated — the information recalled for review or use — the connections become stronger and faster (speed through a circuit is largely determined by the layers of myelin coating that are built up around the axons — this is also in response to the flow of the electric current of information transport when the circuit is activated).
Brake Energy Regeneration, which is also a standard feature, ensures that the generation of electric current for the onboard electrical systems concentrates on the overrun and braking phases.
The idea that animal's bodies were vessels of electric current — and that dead animal tissue might be brought back to life if the electrical charge could be restored (think of it like jump - starting a car battery)-- caught the imagination of the scientific community, as well as the public.
E Ink's approach differed from Gyricon in that instead of the electric current rotating individual color spheres in a film, the change in the electric charge would rotate small color particles within each sphere, allowing for more refined images and better grayscale.
An electrocardiogram (EKG or ECG) is a tracing of the electric currents generated by the heart.
It's the first time this room - sized installation — in which lightbulbs flash on and off inside a grid of wire - mesh cages, to the amplified whine of the electric current — has been shown in Europe.
You imagine that the mere cost of the electric current this exhibit demands has to be exorbitant.
17 December 2010 — 6 March 2011 Gallery 7 Current Disturbance is a room - filling environment made from stacked wire cages, light bulbs and the amplified sound of electric currents.
The frequency of electric current in the United States is supposed to be stable at 60 cycles a second, but if the supply from a wind farm or solar plant changes suddenly, or demand shifts, frequency gets out of whack.
But most importantly, plasma double layers only appear when there is an electric current flow between objects — electrically inert objects don't seem to develop plasma double layers, so this means that when a plasma DL is observed, then its a effect of an electric current between two objects.
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