Sentences with phrase «electric current through»

Basically, the scale sends a small, electric current through the lower half of your body, and its resistance is measured.
This field «induces» electric current through ferrous (magnetic) pots, which most aluminum pots are not.
You have to melt the bauxite in another mineral called cryolite, and then pass an electric current through it, separating the oxygen atoms from the aluminium.
The radiation is not absorbed throughout the full height of the atmosphere, passing through it rather like an electric current through a conductor.
Chlorine is manufactured commercially by running an electric current through salt water.
The device, known as a transcranial magnetic stimulator, is designed to send a strong electric current through a metal coil, which creates an intense magnetic field for about one millisecond.
The design borrows from the concept behind topological insulators — a kind of material that blocks electric current through its interior but lets electrons surf along its surface (SN: 5/22/10, p. 22).
Take the building blocks of proteins — amino acids — which are found on meteorites and can also be created in the lab simply by running an electric current through ammonia and other compounds.
Summers underwent regular physical therapy sessions during which researchers passed pulses of electric current through the electrodes to stimulate neurons in the spinal cord.
For example, typical testing methods show the behavior of the «majority carriers,» the predominant particles or vacancies whose movement produces an electric current through a material.
Besides direct application of heat, heat energy can be stored by passing an electric current through the material or irradiating it with light, enabling the repeated absorption and release of heat energy by a variety of methods.
In the famous Miller - Urey experiment of the 1950s, researchers produced a rich soup of amino acids by running an electric current through flasks containing elements of a primitive Earth, thus showing how precursor chemicals could have formed here.
In the conventional Magnetherm process, the molten slag is heated by passing an electric current through it.
They ran an electric current through a mix of ammonia, methane, and other gases believed at the time to have been present on early Earth.
He believes it could also play a role in a future large - scale hydrogen generator, which would collect the energy from sunlight in huge fields and then run that electric current through water to produce vast amounts of hydrogen to meet, for example, the demand from a future fleet of hydrogen - powered vehicles.
This is achieved by running a weak electric current through it while it is in light mode.
if you disolve a mixture of carbon dioxide, sulther dioxide and ammonia all of which occur naturally in water and then run a high voltahe electric current through it (i.e lightning) amino acids and nucleic acids will spontaneously form and breakdown as the chemicals react.
[23]... [T] he evidence is that much of this equipment is commonly used in university science laboratories and in other settings involving the production of magnetic fields using electric currents through coiled wires.

Not exact matches

All involve an electric current running through a coiled wire transmitter, which produces a localized magnetic field.
But a number of questions will also be asked by shareholders, Buffett disciples that feed the electric current which will no doubt run through Omaha on Saturday.
At times Dionysius seems to imply that grace flows from Christ through the ranks like an electric current, raising up all members to the divine likeness, willing or not.
Even now, in the church I go to, during Praise and Worship I could feel that I was maybe getting ready to speak in tongues, and I'd have to shut it off because I don't know what that church would do if I started screaming out in tongues in the back... It feels like a lot of energy coming through the top of your head — I'm going to sound like such a lunatic — and then your whole body is filled with this electric current.
Then pulses of electric current are passed through her brain via electrodes positioned on her head.
The initial shock was, of course, followed by electric currents of anger that coursed through my son's little body.
When salty ocean water flows through the magnetic field, an electric current is generated and this, in turn, induces a magnetic response in the deep region below Earth's crust — the mantle.
They did this by using electric field tomography — sequentially running small amounts of current through the electrodes in pairs and noting any voltage differences.
But electronics warm up as electric current courses through them.
How this dynamo was initiated and how it works is mysterious, but it seems that the circulation of liquid metal through a magnetic field (which must have begun eons ago) causes a feedback loop of electricity and magnetism and unleashes a powerful electric current hundreds of miles wide.
What's more, skyrmions can easily move through a material, pushed along by an electric current.
Here's how it works: When pressure from the outside squishes the two layers together, an electric current is created, running through the thickness of the material.
The material they were using, antimony sulfide, is a molten semiconductor, which normally would not allow for the kind of electrolytic process that is used to produce aluminum and some other metals through the application of an electric current.
Run an electric current from a photovoltaic device through this solution at a high enough voltage and it splits water.
When a vehicle drives over the loop, the steel in its body causes an electric current running through the loop to change momentarily.
The electrical current can also be channeled to form hydrogen gas through the addition of electric power from a small photovoltaic cell that absorbs the excess light.
In «A researcher reveals the shocking truth about electric eels» (SN: 10/14/17, p. 4), Mariah Quintanilla reported on a biologist who recorded the electrical current traveling through his own arm during an electric eel's attack.
Solid chips of metal about 20 nanometres across will slide through carbon nanotubes when an electric current is switched on.
Using electroporation — in Corn's words, «we run an electric current and make holes in the cells» — he'll inject the complex and replacement parts through the cells» protective membrane.
When electric current passes through the cell, positively charged ions from the compound are attracted to the negative coil and negatively charged ions are attracted to the positive coil, splitting the material and yielding its constituent elements along with new compounds.
Each individual nanowire is a semiconductor, which means that electric current moving through the wire can be switched on and off, Kim said.
The migration of those ions is accompanied by an electric current flowing through wires that are connected to the upper and lower molten metal layers, the battery's electrodes.
Inside the camera the focused light strikes the halides, sending an electric current flowing through the crystalline structure.
Quantum mechanics governs, for example, how fast — and if at all - electrons can move through a material and, thereby, determine whether the material is a metal which conducts an electric current or whether it is an insulator which can not conduct a current.
The composite material showed excellent heating properties, producing heat as electric current was passed through the silver nanowires, even when bent repeatedly or when rolled up into a tube.
Friedman's all - carbon, spintronic switch functions as a logic gate that relies on a basic tenet of electromagnetics: As an electric current moves through a wire, it creates a magnetic field that wraps around the wire.
Today's electronic devices are powered by transistors, which are tiny silicon structures that rely on negatively charged electrons moving through the silicon, forming an electric current.
This process could form the basis of a practical solar - energy storage system, Nocera says, in which electric current from a solar cell passes through water to the catalyst, breaking the water into oxygen and hydrogen through electrolysis.
«We've never had an asset that allowed us to measure any fundamental electrodynamic quantity, current or electric field through the entirety of a geomagnetic storm and see what happens.»
The electric current from a flexible battery placed near the knuckle flows through the conductor and powers the LED just below the fingernail.
The organic compounds in an OLED system emit light when an electric current is passed through them, and they need no backlight, making them thinner than traditional displays.
The easiest way to manipulate the brain is through transcranial direct current stimulation (tDCS), which involves applying electrodes directly to the head to influence neuron activity with an electric current.
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