Sentences with phrase «electrical current flows»

electrical current flows to starter engine etc) doesn't make it any less likely that the car will start, it just makes the process appear to be less certain.

An organic light - emitting diode, or OLED, glows orange when electrical current flows through it.

Take electricity: When an electrical current flows in one wire, a mutual friction drags current in a nearby wire.

In TDCS, electrical current flows continuously between electrodes placed on different parts of the scalp, activating neurons in one area and quieting them in another.

In electrolysis, electrical current flows through a metallic electrode immersed in water.

The window's opacity to visible light and solar energy varies when an electrical current flows between the oxide layers.

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.

Another component senses changes in the electrical current flowing through the generated sweat, which measures alcohol levels and sends them to the user's cell phone.»

As the name implies, the technique involves electrical currents flowing through electrodes in random pulses, activating neurons in multiple brain areas.

The tether changes its orbit thanks to an electrical current flowing through the wires, which creates an electromagnetic field that attracts the debris and pushes the net away from Earth's geomagnetic field.

The researchers flipped the spins of the hydrogen nuclei to control electrical current flowing though the OLED, making the current stronger or weaker.

While such a device is called a plasma cutter, it is really an electrical arc cutter (or welder), as the plasma actually acts as a conductor to let an electrical current flow through it.

Current treatment methods used are transcranial direct current simulation (tDCS)-- which is application of a low intensity direct (constant) current between two electrodes on the head, and transcranial alternating current simulation (tACS)-- which sees a constant electrical current flow back and forth.

Current treatment methods used are transcranial direct current simulation (tDCS)- which is application of a low intensity direct (constant) current between two electrodes on the head, and transcranial alternating current simulation (tACS)- which sees a constant electrical current flow back and forth.

To do so, they used an existing model that describes radiative heat transfer as electrical currents flowing within two objects.

In the past, researchers have focused on maximizing the electrical current flowing inside of the solar cell, rather than maximizing the number of photons emitted when light hits the surface of the cell.

The MESSENGER observations and data from the two earlier Mariner 10 flybys are consistent enough to describe a dipolar field with an active electrical dynamo in which the magnetic field is produced by electrical currents flowing in an outer core of molten metal (more discussion and images from MESSENGER's January 2008 flyby).

Tests showed that any electrical current flowing through the graphene - infused rubber bands was very strongly affected if the band was stretched.

Only the areas where you touch does the electrical current flow.

The lungs aren't equipped to handle large electrical currents flowing through them.

But like a dynamic driver, that diaphragm contains extremely thin wires with electrical current flowing through it, which regulates its back - and - forth vibration.

Not exact matches

Cell membranes act as barriers to current flow into the cells, so the electrical field is confined to the interstitial space.

In much the same way that power lines are affected, long connected structures can experience large voltage differentials from one area to the next, leading to the flow of unwanted electrical current.

Superconductors are materials that, when chilled, allow electrical current to flow freely, with zero resistance.

A team led by Jonathan Kelner at MIT found a way to speed things up by representing paths as electrical resistors and flow as 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.

In the electrical currents that flow in the microcircuits of today's gadgets, the electrons behave like particles and follow classical, predictable laws of heat transfer.

Researchers are proposing a new technology that controls the flow of heat the way electronic devices control electrical current.

Researchers are proposing a new technology that might control the flow of heat the way electronic devices control electrical current, an advance that could have applications in a diverse range of fields from electronics to textiles.

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.

The same thing happens with temperature flows where the current goes from the hotter body to the colder one, or in electrical systems.

Shannon perceived an analogy between Boole's logical propositions and the flow of current in electrical circuits.

When Joachim and Gimzewski moved the STM tip down, slightly flattening their buckyball, the molecule's electrical resistance dropped 100-fold, allowing the current to flow more easily from the STM tip to the metal surface.

The wires rapidly absorbed the gas and swelled slightly, which closed miniscule gaps and allowed an electrical current to flow more easily.

They found that when a negative electrical potential is applied to skin on various parts of the arm, creating a current, that stretch of skin exhibits a low resistance to a subsequent current flowing through the skin.

A small electrical voltage applied to one electrode — called the «gate» — increases the electrical conductivity between two other electrodes, allowing a large current to flow from one to the other.

Chua's equations suggested that a memristor's electrical resistance, or conductivity, would not be constant, like a lightbulb's, but dynamic, and determined by the history of the current that had flowed through the device.

«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.

Finally, Yoichi Ando and colleagues at the Central Research Institute of the Electric Power Industry in Tokyo, Japan, report that in nonsuperconducting LSCO and YBCO, the electrical resistance is smaller for current flowing in the direction in which the stripes are thought to run.

If the direction of the magnetic fields is rapidly switched back and forth (i.e., high frequency) then electrical currents only flow along the outer edge of the metal, which is where the biofilm is.

An even bigger puzzle is how the huge current of a lightning bolt ever begins to flow when air is an electrical insulator.

Above a certain critical temperature, the electrons can move relatively easily through the material enabling the flow of electrical current.

This so - called transcranial magnetic stimulation (TMS) triggers the flow of small electrical currents in neural circuits beneath the coils.

What most people care about when it comes to the electrical outlet is that the current flows.

Memristors are electrical components that limit or regulate the flow of electrical current in a circuit and can remember the amount of charge that was flowing through it and retain the data, even when the power is turned off.

Large geomagnetic storms can cause unwanted currents to flow through electrical power grids.

Nevertheless, so far no one has been able to demonstrate reliably and quantitatively the flow of electrical current through long DNA molecules.

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.

Electronic transistors, which act as miniature switches for controlling the flow of electrical current, underpin modern - day microelectronics and computers.

A spin wave can be thought of as similar to an ocean wave, which keeps water molecules in essentially the same place while the energy is carried through the water, as opposed to an electric current, which can be envisioned as water flowing through a pipe, said principal investigator Kang L. Wang, UCLA's Raytheon Professor of Electrical Engineering and director of the Western Institute of Nanoelectronics (WIN).