Sentences with phrase «electrical current»

In a performance check, the scientists measured the amount of electrical current running through the films in low and high magnetic fields.

Researchers found running electrical current through someone's head helps — but it isn't the most practical solution.

There is a nearly perfect mapping of the various heat flow equations with those of electrical current flows.

Should there be an «increase or decrease of artificially generated electrical current» and your appliance is damaged as result, you would be paid out by your renters insurance policy.

This causes resistance and the conversion of electrical current into heat, which is why electronic appliances become warm during use.

The device uses electrical current to assess body fluid volume.

Such currents occur during plasma disruptions and channel large amounts of electrical current from the plasma to the vessel walls.

Half of the people received a sham (fake stimulation), while the other half received a mild electrical current which activates neurons in the targeted region.

When a high voltage of electrical current runs through the body, it can result in death, cardiac arrest, nerve damage, electrical burns, brain damage, paralysis and other injuries.

How it works: You hold on for a few seconds while it sends weak electrical currents into your body (you won't feel anything).

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.

Another problem is that new cars have much larger demands for electrical current, so batteries must produce more juice but with the same physical volume.

When the magnetic field enters the brain it creates a small electrical current.

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

In their experiments, the researchers found that the device delivers electrical current levels that are two orders of magnitude larger than those reported in similar systems.

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

When the platinum film is completely flat, the cracks are closed and the edges are in contact, allowing electrical currents to run through the entire film.

But now he and colleagues have shown that a natural electrical current jump - starts normal eye development in frogs.

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

This pressure gradient in turn produces a temperature differential on the surface, which prompts production of a tiny electrical current.

Researchers will probably also need to figure out ways to push higher electrical currents through the molecular wires to make magnetic sensors that can compete with current technology.

The electric - sports - car startup said the new transmission will be paired with a higher - voltage power electronics module, which will deliver more electrical currents into the system.

Light beams can do things that wires carrying electricity can not: they can carry more information and they do not interfere with one another as electrical currents do.

The regeneration of the reef is done by sending low - voltage electrical currents into wire structures beneath the water.

But scientists do think they've found a way to generate a «particularly powerful» electrical current out of tomato waste.

These work by sending a small, harmless electrical current through the body to detect fat and lean tissue.

Changes in electrical current move different combinations of pigment particles to the surface of the true - color electronic paper display.

This protects the things you own against common perils such as fire, water, theft, vandalism, and artificially generated electrical current.

Magnetic field, on the hand, arises whenever an electrical appliance is actively using electrical current.

No mechanical moving parts would be required — only weak electrical currents, which saves energy.

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

The usual metal cases suffer from loss of electrical current when charging wirelessly, while thicker cases, which will have contain electricity better, will add unnecessary bulk to smartphones.

NDCX II is a linear accelerator (linac) that operates on the principle of induction, in which electrical current in one winding induces a varying magnetic field in the second winding and thus transfers energy to a new current, as in a transformer.

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

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).

Another limitation is that materials genomics has been hitherto applied almost exclusively to what engineers call functional materials — compounds that can perform a task such as absorbing light in a solar cell or letting electrical current pass in transistor.

Scientists seeking to understand the intricacies of high - temperature superconductivity — the ability of certain materials to carry electrical current with no energy loss — have been particularly puzzled by a mysterious phase that emerges as charge carriers are added that appears to compete with superconductivity.

Ampere: The unit of measurement of electrical current produced in a circuit by 1 volt acting through a resistance of 1 Ohm.

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.

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.

They discovered that light - induced electrical currents rise much more sharply at the intersection of carbon nanotubes and silicon, compared to the intersection of silicon and a metal, as in traditional photodiode devices.

The resulting electrical current travels via underground cables to a substation, where it is converted to a higher voltage for the larger electricity transmission or distribution grid.

There is a sensory branch of the vagus in the outer ear and, by sending electrical current down the nerves and into the brain, researchers were able to influence outflows from the brain that regulate the heart.

(Also, cloud - to - ground lightning involves electrical currents on the order of tens of thousands of amps.

• The scanning tunnelling microscope measures changes in electrical current between the probe tip and the atoms on a sample surface.

If free to move around, the vortices dissipate energy, thereby destroying the superconductor's ability to carry electrical current without energy loss.

The researchers engineered frog eggs to express the 17 abnormal forms of KCNQ1, then measured how the cells transmitted electrical currents.