Sentences with phrase «of magnetic pulses»

In the case of bone healing, PEMF uses electrical energy to direct a series of magnetic pulses through injured tissue whereby each magnetic pulse induces a tiny electrical signal that stimulates cellular repair.
PEMF uses electrical energy to direct a series of magnetic pulses through injured tissue, and each magnetic pulse induces a tiny electrical signal that stimulates cellular repair by upregulating a tissue repair protein called «heat shock protein» and also by increasing the uptake of oxygen and nutrients into tissue.
The correlation between the strength of the magnetic pulses and the loudness of the sounds was also strong.
«This paper only makes sense if the observations [of magnetic pulses] are good,» says John Ebel, a seismologist at Boston College, who wasn't involved in the research.

Not exact matches

It basically triggers the effect of feeling a divine presence by subjecting the brain to weak magnetic pulses, but some drugs and other conditions have done the same.
The inner region sends out clock - like pulses of radiation and tsunamis of charged particles embedded in magnetic fields.
«One of the main ideas here is that pulse differences have a lot to do with geometry — and it also depends on how the pulsar's spin and magnetic axes are oriented with respect to line of sight whether you see certain pulsars or not, as well as how you see them.»
To speed up these processes, researchers have recently started to explore the use of ultrashort laser pulses that can switch magnetic domains in solid - state materials.
In an MRI machine, a powerful magnetic field causes protons in the body to line up like violin strings under tension, then a pulse of energy plucks those «strings,» making them hum.
To test the idea, Snyder and colleagues exposed subjects to low - frequency magnetic pulses (the technology is called transcranial magnetic brain stimulation, or TMS) that suppressed part of their brain function.
Electromagnetic coils are positioned near a patient's skull to deliver brief pulses of magnetic fields; these induce electric currents inside the head, which cause neurons to fire in brain regions associated with mood.
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.
But the researchers could use the results to apply a precise magnetic field to the cesium vapor that effectively canceled out the ensemble's original spin state and replaced it with one that corresponded to the polarization of the weak pulse, as they report in the 5 October Nature.
A magnetic coil surrounds the tube and receives a short - lived electrical pulse to create a pressure within the tube that ejects a droplet of liquid metal through the orifice.
Highly focused magnetic pulses of up to 1.5 teslas induce an electrical current two to three centimeters deep in the left prefrontal section of the cerebral cortex.
Álvarez's team couldn't make spin measurements directly, but used brief magnetic pulses to create an effect similar to measuring the orderliness of the spins.
Ross and her colleagues applied magnetic pulses to two different areas of the brain in 25 healthy adults.
In a second set of studies, the researchers temporarily disabled the right temporal parietal junction with pulses of magnetism delivered through transcranial magnetic stimulation, a technique used to treat Parkinson's disease and some intractable cases of depression.
Understanding the two phenomena, which are both produced by interactions between charged particles and the planet's magnetic field, may help to explain the variations in the timing of the radio pulses and to shed light on Saturn's geomagnetic workings.
As a read head moves above bits of magnetic data, changes in the magnetic orientation of those bits alter the electrical resistance of electrons flowing through the sensor, translating the magnetic data into a stream of electrical pulses.
«The U.S. society and economy are so critically dependent upon the availability of electricity that a significant collapse of the grid precipitated by a major natural or man - made EMP [electro - magnetic pulse] event could result in catastrophic civilian casualties,» Rep. Trent Franks (R - Ariz.)
Inertial confinement fusion (ICF) seeks to create those conditions by taking a tiny capsule of fusion fuel (typically a mixture of the hydrogen isotopes deuterium and tritium) and crushing it at high speed using some form of «driver,» such as lasers, particle beams, or magnetic pulses.
To test the particles, the researchers implanted mice with a tumorlike gel saturated with nanoparticles and placed those mice into the wells of cup - shaped electrical coils, which activated the nanoparticles via magnetic pulses.
Inertial confinement fusion achieves this by crushing tiny capsules of fuel with intense laser or magnetic field pulses to achieve the required conditions.
The satellites observed the pulses in the wake of an October 2003 magnetic storm triggered by a coronal mass ejection — a plasma spitball shot out by the sun — that slammed into Earth's magnetosphere.
If orientated properly, a hot spot above the magnetic pole of the neutron star may whirl in and out of view for observers on Earth, producing a regular train of radio pulses separated by anything from a few milliseconds to a few seconds.
Researchers apply current pulses in a magnetic field to boost the magnetic ordering, that is, the number of nanoclusters pointing in the same direction.
One critical parameter is the thickness of the liner wall: The thinner the wall, the faster it will be accelerated by the magnetic pulse.
They delivered short magnetic pulses that briefly shut down different parts of the brain.
In order to modulate the functioning of fronto - striatal circuits, the researchers from the lab of Robert Zatorre used a non-invasive brain stimulation technique, transcranial magnetic stimulation (TMS), which uses magnetic pulses to either stimulate or inhibit selected parts of the brain.
To activate the EPM, a large 50 μs, 7 A current pulse is sent through the coil, inducing a magnetic field strong enough to reverse the magnetization of the soft magnet.
Perminder Sachdev at the University of New South Wales in Sydney, Australia, says it is «very exciting» and also surprising that low - power magnetic pulses can reverse a developmental disorder.
To break this limit in crystal size, an extremely bright X-ray beam was needed, which was obtained using a so - called free - electron laser (FEL), in which a beam of high - speed electrons is guided through a magnetic undulator causing them to emit laser - like X-ray pulses.
A team of researchers has devised perhaps the world's most intricate coin toss, a device utilizing vacuum chambers, magnetic fields, lasers and microwave pulses to produce a random string of 0s and 1s — each representing heads or tails, essentially.
PCI looks at the brain's response to transcranial magnetic stimulation (TMS), where a magnetic coil is held up to the surface of the skull, generating a pulse to stimulate the neurons beneath and provoke a response that radiates through the brain.
It's the mass migration of such holes that creates the large electrical currents responsible for generating the low - frequency magnetic pulses that make their way to detectors on Earth's surface, they say.
For example, in the weeks before a magnitude - 5.4 quake struck about 15 kilometers northeast of San Jose in October 2007, an instrument near the epicenter sensed a number of unusual magnetic pulses, presumably emanating from deep in the Earth.
For example, they are investigating networks of nerve cells by detecting the magnetic field each nerve cell pulse emits.
In its rotating magnetic field, electrons and positrons are accelerated up to relativistic energies and emit radiation that arrives to our telescopes in the form of pulses every 33 millisecond, each time the neutron star rotates and meets our telescopic sight.
The device sends magnetic pulses into the nerves of the head and cerebral cortex, stopping migraines cold.
Along with the change of laser size, the researchers also adjusted the magnetic material through which the light travels and amplifies to a more powerful pulse.
These pulses of electricity create a flickering magnetic field that passes over most objects, except the powered coil's mate (which can be made small enough to fit into consumer electronics).
Disrupting the fish's internal compass with the magnetic pulse triggered changes in 181 out of the roughly 40,000 genes they examined.
People might think twice about this technology if it meant turning their living rooms into microwave ovens, but the pulsing magnetic fields of the MIT system don't interact much with walls, people, or even tinfoil.
The magnetic pulses that preceded these sounds proved that their sources were at an altitude of approximately 75 meters.
Instead of using a solenoid to generate a magnetic field, CHI involves injecting a magnetic field into the floor of the tokamak, removing the need to deliver periodic pulses of current.
This involved applying a pulsed magnetic field that was perpendicular to the plane of the domain walls.
With very strong magnetic fields and very fast rotations, some neutron stars blast beams of electromagnetic radiation from their poles, and if Earth is in the path of those beams we can detect the signals as regular «pulses» — hence the name pulsars.
In the presence of the powerful magnetic field, the protons are susceptible to excitation by selective radio frequency pulses.
Kate also played a key leadership role in both the experiments and the manipulation of the data sets in a program of neutron and x-ray diffraction measurements in very high, pulsed magnetic fields.
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