Sentences with phrase «of magnetic»

Specifically, the direction of the magnetic field and its strength can be varied.
They coincide with a sudden, violent reconfiguration of the magnetic field, releasing huge amounts of energy that can eject billions of tons of solar material into space at speeds of over a thousand kilometers per second.
Each of these magnetic markers is designed to target specific sites within biomolecules and thus enables several approaches for the structural analysis of different biomolecules.
For example, VTT succeeded in using a permalloy ink to print a magnetically anisotropic material, which can be used in the manufacture of magnetic field sensors.
Some of the magnetic resonance scans were performed in Vienna (Centre of Excellent, High - Field MR, Department of MR Physics, Head: Ewald Moser) and some as part of an EU project (Institute of Psychiatry, London, Head: Gunther Schumann).
A new instrument gave the team minute - by - minute updates on the strengths of magnetic fields in the spots.
Here the information is encoded in the direction of the modulation of the magnetic moments, the so - called Néel vector.
Even with the support of the magnetic field, they would be very flattened compared to their counterparts on Earth.
Neutral particles facilitate the buoyancy the marled knots of magnetic energy need to rise through the boiling plasma and reach the surface.
In the future, these probes will be used for the analysis and inspection of magnetic storage media in order to identify defective hard drive segments and thus considerably reduce rejection rates and production costs.
Those threads indicate the presence of a magnetic field — 1/10, 000 the strength of Earth's, but huge — that holds the structure together.
To find out whether the jets could be the result of a magnetic field produced by charged ions swirling around in the gas, Eatough and colleagues looked at a nearby pulsar.
The researchers were able to alter the rate at which they released the drops, and by changing the strength of the magnetic field they could also adjust the velocity of the drops.
Slightly more gadolinium in the films led to flipping of the magnetic spin; slightly less led to spin precession at room temperature.
Sunspots, markers of magnetic activity on the sun's surface, provide a visual proxy for the cycle's evolution; they appear in droves at maximum and all but disappear at minimum.
Physicists at the U.S. Department of Energy's Ames Laboratory compared similar materials and returned to a long - established rule of electron movement in their quest to explain the phenomenon of extremely large magnetoresistance (XMR), in which the application of a magnetic field to a material results in a remarkably large change in electrical resistance.
Scientists used a type of magnetic resonance imaging (MRI), known as diffusion weighted imaging, to measure the brain connectivity in 260 infants at the ages of 6 and 12 months, who had either high or low risks of autism.
That's because the current galactic environment is full of magnetic fields and turbulence, both of which greatly complicate the creation of accurate simulations.
To discover the ratio of magnetic forces to gyroscopic forces on an electron, Einstein had to infer what the electrons in an iron bar were up to based on a minuscule rotation their activity caused the bar to make.
Furthermore, the researchers plan to position these nitrogen vacancy centers, which are sensitive to magnetic fields, in diamond platelets in order to visualize the distribution of magnetic moments.
The off - kilter tumbling of the magnetic bubble around Uranus may regularly let a barrage of charged particles from the solar wind flow in
The realization of magnetic field sensors made from diamond tips is the immediate aim of the cooperation between Prof. Jörg Wrachtrup (University of Stuttgart), Prof. Klaus Kern (Max Planck Institute), and Christoph Nebel (Fraunhofer IAF).
And that if you heat a magnet up enough, then you have no magnet at all: High temperatures randomly jumble all the bits of magnetic material (ultimately orientations of spinning electrons) that had aligned themselves along the north - to - south - pole axis.
Jets are narrow streams of gas that emergefrom the cores of some galaxies, travel at more than 99 percent thespeed of light, and penetrate as much as several million light - yearsinto intergalactic space before fanning out into broad, luminous lobes.How might a black - hole whirlpool generate such a pair of waterspouts?Swirling bundles of magnetic field lines, flinging particles outwardfrom the poles of the hole, provide a natural explanation.
To see whether these are generated by the same process as happens on the sun — the breaking and reconnection of magnetic fields (pictured above)-- astronomers studied light from 100,000 stars using China's Guo Shouiing Telescope.
The detection of magnetic fields is carried out with the help of a so called nitrogen vacancy center (NV), located approximately 10 nanometers below the surface of the diamond tip.
Researchers have a poor grasp of the details of this process because they haven't caught the outbursts of magnetic energy that drive flares.
In order to use skyrmions as a storage medium, it must be possible to manufacture the surfaces or interfaces on a sufficiently large scale, they must contain enough of the magnetic material, and the magnetic vortex must also occur at room temperature.
In the new study, published online today in Science, Dickman and BCM biologist Le - Qing Wu placed seven homing pigeons (Columba livia) in a dark room in the center of a cube - shaped set of magnetic coils.
«Because rock in the deep mantle moves less than a centimeter a year, we know the LLSVP is ancient, meaning it may be a longstanding site for the loss of magnetic field strength,» said Tarduno.
Another issue Motojima has had to grapple with is whether or not to add another set of magnetic coils to the interior walls of the reactor to help control disturbances in the plasma called edge - localized modes (ELMs) that can damage the inside of the plasma vessel.
C, hot enough to erase the magnetic information stored in the magnetite and create a new record of the magnetic field strength and direction at the time of the burning.
Although that's only about 2 % of the magnetic field at the surface of Earth, it's still surprisingly large, Falcke says.
The core of the device uses cusp confinement, a sort of magnetic trap in which particles that try to escape are pushed back by rounded, pillowlike magnetic fields.
Given that the field intensity in the region is also declining today — though less rapidly, as measured by satellites — the research team believes that the process causing the weakening field may be a recurring feature of the magnetic field.
Like the skyrmion itself, the scientists realized, the imitation magnetic field was knotted, and it matched the interlinked rings of magnetic fields proposed for ball lightning.
To find out how the turtles remain within the gyre, Ken Lohmann of the University of North Carolina at Chapel Hill and colleagues made hatchlings swim in the presence of magnetic fields that simulated locations off Portugal, by which the gyre passes.
As the cube was rotated, the intensity of the magnetic field felt by the pigeon in the center varied.
Generally speaking, magnetic fields can be used to change the magnetization of a magnetic material, much like a bar magnet can magnetize an otherwise nonmagnetic sewing needle, and can even reverse its magnetization completely in some cases.
This study complements conventional spectroscopy in solid state crystals which yields information on momentum and frequency of the magnetic excitations.
Tarduno and his team wanted hard data on both the intensity and direction of the magnetic field, which are recorded and stored in minerals, such as magnetite, at the time they were formed.
Mercedes Lopez - Morales, an astronomer at the Harvard - Smithsonian Center for Astrophysics, has modeled the possibilities of magnetic fields around red dwarf planets, and a picture is gradually emerging: The planets likely form in the outer parts of their solar systems and migrate in.
Some animals can detect this field, which reveals the direction of magnetic north, and use it to navigate (see «Whales and terns turn together»).
It is still a magnetic field that is responsible for the fact that the polarisation is rotated, however, it is no longer the strength of the magnetic field that determines the strength of the effect, but the amount of electrons involved in the process, and this amount can be regulated simply by electrical potential.
How do you figure out what powers solar flares — the intense bursts of radiation coming from the release of magnetic energy associated with sunspots — when you must rely on observing only the light and particles that make their way to near - Earth's orbit?
I did not start my quest in a high - tech way, but it was an effective approach nonetheless, piling encyclopedias of magnetic materials on my small table in my office, alongside the only existing book on ferroelectrics.
Skyrmions are small whirls in the magnetization of magnetic materials.
Observations of an elderly, rapidly rotating star known as a pulsar in the vicinity of Sgr A * have now provided the first sensitive measure of the magnetic field associated with the black hole.
This work opens the path to new models that allow better understanding and prediction of the properties of the magnetic field of celestial bodies.
Recent results with Tokamak experiments provide insights into the problem of magnetic confinement.
a b c d e f g h i j k l m n o p q r s t u v w x y z