Sentences with phrase «with electrical current»

But like a dynamic driver, that diaphragm contains extremely thin wires with electrical current flowing through it, which regulates its back - and - forth vibration.
are caused by contact with an electrical current, which can occur when active electrical wires are exposed to water, from a charge out of an electrical socket, or lightning.
Rather, its narrative is a compilation of external observations of human behavior, the curator's ongoing personal quest to achieve homeostasis, the notebooks of French philosopher Albert Camus, the musings of British psychoanalytical writer Adam Phillips, and even a recent study finding that, to an overwhelming degree, people would rather shock themselves with an electrical current than sit in quiet contemplation for even 15 minutes.
In the process, the donor cells are merged with egg cells extracted from other dogs, zapped with an electrical current to spur splitting, then implanted in more dogs who serve as surrogates, carrying the embryos to pregnancy.
With an electrical current, the diode emits a bright light around the small bulb.
A man is shocked with an electrical current, smashed behind a door and later falls from a balcony.
Because you can also do some less, you can do some like anti-inflammation things with the electrical current to that are profound.
Although other research has demonstrated that brain stimulation with electrical current or electromagnetic waves can affect brain activity, it's remained controversial because it's not been reproducible.
Then, in an attempt to confirm a hypothesis that lightning may have triggered the origin of life, they zapped the mixture with an electrical current.
UNSW Sydney chemists have invented a new, cheap catalyst for splitting water with an electrical current to efficiently produce clean hydrogen fuel.
Holonyak's team at the University of Illinois at Urbana - Champaign devised a transistor that is also an ultratiny laser, producing a narrow beam of light simultaneously with electrical current.
When driven with electrical current, electrons and positively charged holes become confined in the dots and recombine to emit light — a property that can be exploited to make lasers.
Well, for starters, most panko is made from a simple white bread (which is cooked with electrical currents, so it doesn't develop a crust).

Not exact matches

The basics: It can be charged with a DC or AC electrical current, and can fully charge in 50 minutes when hooked up to a DC current outputting 150 kW.
Each element is activated by an electrical current which, when applied, heats the ink in contact with the element.
New research from an international group led by Min Zhao, professor of ophthalmology and of dermatology at the University of California, Davis, shows that, in animal models of diabetes, slow healing is associated with weaker electrical currents in wounds.
If the sight of the current between the prongs and the loud electrical sound don't scare away an attacker, you can simply touch them with it and send a jolt through his or her body.
Superconductors are materials that, when chilled, allow electrical current to flow freely, with zero resistance.
«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.
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.
A major change in the magnetic field would have wide - reaching ramifications; the magnetic field stimulates currents in anything with long wires, including the electrical grid.
The internal resistance, or opposition to electrical current flow, may be different for a human arm than for an animal with scales or fur, like a crocodile or a dog, Catania notes.
Catania placed his arm in a tank with a 40 - centimeter - long electric eel (relatively small as eels go) and determined, in amperes, the electrical current that flowed into him when the eel struck.
«One way to know is by understanding how electrons move around in these materials so we can develop new ways of manipulating them — for example, with light instead of electrical current as conventional computers do.»
In Vader's device, an electrically - pulsed magnetic field permeates liquid metal in an ejection chamber and creates circulating electrical currents that interact with the magnetic field to produce a pressure that squeezes a droplet out of the ejector nozzle.
Before the collision could happen, as scientists were trying to ramp up the current and energy, something went wrong with a connection of the bus bar between magnets, creating an electrical arc that punctured the helium enclosure and caused large quantities of liquid helium to be released (helium is necessary to cool the superconducting magnets that guide the beams around the ring).
The same thing happens with temperature flows where the current goes from the hotter body to the colder one, or in electrical systems.
This study will include 36 people with spinal cord injuries who will be treated with epidural stimulation — a technique in which a device is used to apply electrical current to the spinal cord.
They first isolated a buckyball on a metal surface with a scanning tunneling microscope (STM), which images the atomic contours of a surface by measuring changes in the electrical current that travels between the surface and an ultrasharp tip that scans across it.
The protons then react with oxygen to generate electrical current.
They will design improved cluster systems with better electrical performances (e.g. higher on / off current ratio, different accessible states), and increase the number of atoms in the cluster core while maintaining the atomic precision and uniformity of the compound.
Researchers have found a way to trigger the innate, but previously hidden, ability of graphene to act as a superconductor — meaning that it can be made to carry an electrical current with zero resistance.
Sensors made with atomically thin layers of MoS2 revealed better selectivity to certain gases owing to the electron energy band gap in this material, which resulted in strong suppression of electrical current upon exposure to some of the gases.
In the recessive deafness model, gene therapy with TMC1 restored the ability of sensory hair cells to respond to sound — producing a measurable electrical current — and also restored activity in the auditory portion of the brainstem.
When superconducting materials are cooled, they can carry a current with zero electrical resistance without losing any energy.
That contrasts sharply with other ephemeral events at similar altitudes, which glimmer into being when electrical current travels upward from lightning clouds at altitudes of about 10 km.
«However, we envision that in some magnetic materials, the electrical current could flow with little or no resistance in a direction parallel with the material's internal magnetic field.
Electrical current is injected into the device, tunnelling from single - layer graphene, through few - layer boron nitride acting as a tunnel barrier, and into the mono - or bi-layer TMD material, such as tungsten diselenide (WSe2), where electrons recombine with holes to emit single photons.
Creating an electrical current with a gas is possible in part because when gas strikes an inclined surface, it produces a pressure gradient, similar to the effect that keeps airplanes in the air.
People who received electrical current with an oscillation frequency of 40 Hz were lucid in more than 70 % of their reported dreams, the team reports online today in Nature Neuroscience.
While his approach is grounded in current human clinical practice with surface recording arrays, the large scale and requirements of the NESD program require a dramatic departure from prior electrical approaches to brain interfaces.
Researchers have shown that certain superconductors — materials that carry electrical current with zero resistance at very low temperatures — can also carry currents of «spin».
By testing cycling time to task failure (TTF) in a group of 12 active participants in a placebo controlled study, Dr Mauger discovered that stimulating the brain by passing a mild electrical current (transcranial direct current stimulation or tDCS) over the scalp to stimulate it increased the activity of the area associated with muscle contraction.
The principle is the same as a lightbulb, but with more electrical current involved.
Their analysis unraveled the structural origin of the simultaneous enhancement of two superconducting properties of the iron - based superconductor: the temperature at which the material becomes able to conduct electrical current with no energy loss and the amount of current the material can carry without losing this ability.
Now, a team of scientists has come up with a way to double the amount of electrical current an iron - based material can carry without losing its superconducting properties, while increasing the material's critical temperature.
The ideal TE material combines high electrical conductivity, allowing the current to flow, with low thermal conductivity, which prevents the temperature gradient from evening out.
With their current work, the MIT researchers have enabled the control of the phase and electrical properties of this class of materials in a practical way, by applying an electrical charge.
The cells» size made it easier to measure electrical currents across an ORC's outer membrane by puncturing it with a thin glass tube called a micropipette.
In the new report published in Nature Materials, the Los Alamos team demonstrates that using their «designer» quantum dots, they can achieve light amplification in a nanocrystal solid with direct - current electrical pumping.
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