Sentences with phrase «electrical discharge»

"Electrical discharge" refers to the sudden release of electricity that occurs when charged particles flow through a conductor like a wire. It often creates a visible flash or spark and can produce various effects like light, heat, or sound. Full definition
Lightning is a natural electrical discharge — but scientists are still scratching their heads trying to figure out what triggers it.
When the difference in electric potential between positive and negative charges becomes large enough, a sudden electrical discharge (lightning) will occur.
It is recorded in some ancient texts that Mars and Venus both had close encounters with the Earth, resulting in massive electrical discharges between planets as they sought to equalize potentials.
Unrelenting electrical discharges from neurons force a patient's limbs to contract and release without pause.
They have identified patterns of electrical discharges in the brain that they term «brain irritability» that are associated with higher likelihood of having a seizure.
Epilepsy involves brain seizures due to abnormal electrical discharges of the brain, and I spent my entire undergraduate years working in a lab that studied epilepsy.
One well - known model for the beginnings of life on Earth posits that terrestrial life sprang from complex molecules such as amino acids and sugars produced by electrical discharges in a primeval atmosphere replete with gases such as methane, hydrogen, ammonia and water.
Approximately 3 million people in the United States have epilepsy, a neurological disease in which abnormal electrical discharges in the brain produce sudden episodes of altered or diminished consciousness, involuntary movements or convulsions.
Reporting in the Nov. 14 issue of the journal Science, University of California, Berkeley, climate scientist David Romps and his colleagues look at predictions of precipitation and cloud buoyancy in 11 different climate models and conclude that their combined effect will generate more frequent electrical discharges to the ground.
Immediately after a concussion, all the cells in the brain fire at once — a massive electrical discharge «like a miniseizure,» he says — indiscriminately releasing an excitatory neurotransmitter called glutamate, which in turn triggers brain cells to release potassium.
Sprites are large - scale electrical discharges occurring high above a thunderstorm cloud, giving rise to a varied range of intricate shapes, occurring roughly 30 to 60 miles above the Earth's surface.
Some fish, such as the electric ray (Torpedo nobiliana), stun their prey with huge electrical discharges, while others sense their surroundings with a stream of weak pulses — sometimes more than 1000 a second.
Electrical discharges illuminate the air and shake the floor around the Z - machine, a fusion experiment in New Mexico.
Researchers at the Max Planck Institute for Plasma Physics and the Humboldt University, both in Berlin, have used underwater electrical discharges to generate luminous plasma clouds resembling ball lightning that last for nearly half a second and are up to 20 centimetres across.
Geophysicist Hans Stenbaek - Nielsen of the University of Alaska, Fairbanks, captured one of those bright meteors with a high - speed camera that he uses to study auroras and the high - altitude electrical discharges called sprites.
Ever since Benjamin Franklin's time lightning has been understood to be a large electrical discharge similar to that seen when a conductive object (like a metal doorknob) is touched after a static electric charge is picked up (by feet scuffing across carpet, for example).
One output of the booster is wired to the device's shell — or «grounded,» in technical speak — while the other goes to an array of 12 fine, stainless steel needles that create a rapidly pulsing electrical discharge.
casting block and a 2 mm diameter rod that is electrical discharge machining (EDM) cut out of the sample.
After a large body of research on the synthesis of simple organic compounds accumulated in the 19th century (see figure above), W. Löb achieved the chemical syntheses of simple amino acids such as glycine by exposing wet formamide to a silent electrical discharge and to ultraviolet light (4).
Current rescue therapies for life - threatening arrhythmias ignore the pathological electro - anatomical substrate and base their efficacy on a generalized electrical discharge.
Rather, aura photography (also known as Kirlian photography after the Russian inventor of the process) is a non-camera technique in which a «high - voltage, high - frequency electrical discharge is applied across a grounded object,» and the «air glow» or «aura» yielded is recorded onto the film.
[35] Research suggests schisandra may actually influence electrical discharges in the brain.
Erratic electrical discharge from the brain doesn't allow for the efficient distribution of oxygen and glucose to the cells of the brain.
Lightning Fields is a series of dramatic photographs produced through the play of violent electrical discharges on photographic film.
Ozone is formed from dioxygen by the action of ultraviolet light and also atmospheric electrical discharges, and is present in low concentrations throughout the Earth's atmosphere.
A comprehensive coverage plan will also have your items safeguarded against any unexpected perils that could spring from your building itself, such as electrical discharges and plumbing bursts.
The observed effect may well be due to electrical discharge between water droplets.
According to Wikipedia, ozone is «a colorless unstable toxic gas with a pungent odor and powerful oxidizing properties, formed from oxygen by electrical discharges or ultraviolet light.
In addition, electrical discharges from the tops of thunderstorms into the ionosphere, called transient luminous events, have been observed.
Reporting in the Nov. 14 issue of the journal Science, climate scientist David Romps of Lawrence Berkeley National Laboratory and the University of California, Berkeley, and his colleagues look at predictions of precipitation and cloud buoyancy in 11 different climate models and conclude that their combined effect will generate more frequent electrical discharges to the ground.
The instrument would be implanted in the brain of an epileptic and detect patterns of electrical discharge.
«One of the necessary conditions for a battery to be rechargeable is that the underlying chemical changes that occur during an electrical discharge from the cell must be efficiently reversed when an opposite electrical potential is applied across the cell.
But these prototypes are limited: Either they need an external power source to generate the many kilovolts required for the electrical discharge, or they need an external gas supply and regulation to sustain the plasma.
Produced in electrical discharges, these gases of free electrons and ions have already been shown to destroy pathogens, help heal wounds, and selectively kill cancer cells.
Thunderbolt Hits: We have a better understanding of the physics of lightning, but these electrical discharges are still highly dangerous.
Solar charging and electrical discharging, according to a UW researcher, can be repeated for many cycles with little efficiency loss.
Of the fishes able to generate an electrical discharge, electric eels are by far the champions, producing up to 600 volts!
Simultaneously, electrical discharges «drilled» thin plasma channels within the crust, producing other nuclear reactions and additional heat.
The exoplanet HAT - P - 11b is too close to its host star to actually see visible light flashes, but an infrared telescope may be able to detect hydrogen cyanide from its electrical discharge.
These zircons and their contents probably formed in the plasma channels «drilled» by the electrical discharges at the beginning of the flood.
It creates light from an electrical discharge between two electrodes in a gas - filled arc tube.
Lightning is an electrical discharge between clouds, or between clouds and the ground.
Lightning of course refers to an electrical discharge, but it is also tied to inspiration and epiphanies, a theme of the game.
Created in the darkroom with the help of a Van de Graaff generator, sheets of unexposed film are subjected to electrical discharges, creating sparks of light that scar the film with patterns reminiscent of organic life forms and tree - filled landscapes.
Get a full charged car battery, short circuit it and you get an electrical discharge of the arc - mode type — intense emission of light and no different to the light being emitted by the sun from its photosphere.
Lightning is an electrical discharge between clouds, or between clouds and the ground.
West Side Manhattan renters insurance will give you coverage against the perils of fire, lightning, windstorms and theft, in addition to troubles caused by electrical discharges and frozen or ruptured plumbing.
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