Sentences with phrase «magnetic lines of»

His aim is to incorporate a moment of maximum intensity, and this he does by the most direct means — the reduction of bodily attitudes to their magnetic lines of force»... [29]
Maxwell's most important achievement was his extension and mathematical formulation of Michael Faraday's theories of electricity and magnetic lines of force.

Not exact matches

When neuroscientist Sukhvinder Obhi «put the heads of the powerful and the not - so - powerful under a transcranial - magnetic - stimulation machine, he found that power, in fact, impairs a specific neural process, «mirroring,» that may be a cornerstone of empathy,» writes Jerry Useem in the Atlantic, explaining head - line grabbing recent research.
Simulation study of enhancing laser driven multi-keV line - radiation through application of external magnetic fields
Japanese prosecutors has raided the headquarters of Shimizu Corp. and Kajiam Corp. — two of Japan's largest construction firms — for alleged antitrust violations on a $ 80 billion contract for a magnetic levitation train line project.
It has a detachable long leather strap, has a front latch magnetic closure, has a bottom zip compartment, has two side pockets, and is full of cotton lining.
These form in areas where magnetic field lines converge, producing cooler regions of «only» about 3,000 — 4,000 degrees Celsius (by contrast with their surroundings of 5,000 degrees Celsius or higher).
The corona is made up of charged plasma, which roils in famous loops and fans that follow magnetic field lines emerging from the surface of the sun (SN Online: 8/17/17).
(When rocks form, their magnetic minerals line up with Earth's field, and that orientation is preserved when the rocks solidify, providing geophysicists with a record, written in stone, of the planet's magnetic past.)
«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.»
Witness what physicist Michael Faraday saw in the 19th century, and many a schoolkid has since: iron filings neatly ordering themselves along the lines of a magnetic field,...
By combining observations from the ground and in space, the team observed a plume of low - energy plasma particles that essentially hitches a ride along magnetic field lines — streaming from Earth's lower atmosphere up to the point, tens of thousands of kilometers above the surface, where the planet's magnetic field connects with that of the sun.
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.
Physical picture of the applied magnetic field lines (blue lines) and the magnetic field lines (red lines) modified by the plasma flow, i.e., sum of the applied and plasma - induced magnetic fields.
After correcting the logs for errors in location, Gubbins compared the directions of captains» compass needles with the magnetic properties of rocks from the same period, allowing him to construct a time line of movements in the magnetic field.
In 23 fly - bys which passed through Titan's ionosphere or its magnetic tail, CAPS detected measurable quantities of these photoelectrons up to 6.8 Titan radii away from the moon, because they can easily travel along the magnetic field lines.
The simple fact that the maximum value of volume current density was increased with increasing magnetic field line chaos, called «chaoticity,» suggests a direct proportionality between the intensity of the current sheet and chaoticity.
Sunspots are areas of intense magnetism, and solar flares erupt when lines of magnetic energy intersect, break, and reconnect, releasing billions of tons of electrically charged particles.
«Chaotic magnetic field lines may answer the coronal heating problem: Scientists show how chaotic magnetic field lines result in stronger current sheets and extreme heating of the sun's corona.»
From their analysis of this occurrence, the team determined that a favorable evolution bring non-parallel magnetic field lines into close proximity and intensify current sheets.
But when the sun ejects major blasts of particles in flares and solar storms, these belts overflow and send electrons streaming toward Earth along the looping lines of the magnetic field, which intersect the planet near the north and south poles.
These simulations provide new and novel insight regarding the influence of chaotic magnetic field lines on the spontaneous development of current sheets, and hence potential places of particle acceleration.
The parallel sheets of incoming and outgoing current force the electrons to emit coherent, laserlike radiation at radio wavelengths as they spiral along the planet's magnetic field lines, Ergun says.
All known magnets have both a north and south pole, as illustrated in the inset image, with lines indicating the direction of the magnetic field.
Solar particles (the electric current) stream down Earth's magnetic field lines (the tube) and collide with molecules of nitrogen and oxygen (the gas), exciting them until they glow in various colors.
The purplish aura reveals high - arcing loops of 3.6 - million - degree plasma that link sunspots and other magnetic areas on the surface; white lines illustrate computer calculations of how the magnetic areas connect.
Swirling bundles of magnetic field lines, flinging particles outward from the poles of the hole, provide a natural explanation.
The team found that this «pins» the magnetic flux lines in place as the wires sweep through the field, preventing the formation of swirling magnetic vortices that reduce current flow.
The distance between certain lines in the spectrum reveals the strength of the magnetic field in that location — information that can't be measured directly otherwise.
So the north magnetic pole is where the earth's magnetic field lines pull toward the planet, acting like the south pole of a bar magnet.
«Magnetic flux lines interfere with the wires» ability to transport electricity, lowering its performance,» says Venkat Selvamanickam at the University of Houston, Texas, where the US government is funding work via its Advanced Research Projects Agency — Energy.
This include flares and CMEs, as well as other features that might indicate that flares or eruptions are imminent, such as filaments, which are bundles of plasma held down by magnetic field lines, coronal loops and sunspots.
Around spinning black holes, however, frame dragging could be hugely important: By whipping magnetic field lines through the electrically charged gas around the holes, it could convert them into electromagnetic generators, which would explain how they spew jets of energetic particles millions of light - years into space.
The UVIS images, which are also being analyzed by team associate Aikaterini Radioti at the University of Liege, Belgium, also suggest that one way the bright auroral storms may be produced is by the formation of new connections between magnetic field lines.
Since charged particles tend to follow magnetic field lines, moving along them in a sort of corkscrew motion, the gas molecules fly not only outward but also upward and downward along the magnetic field lines.
You could put two of those together and have the magnetic fields line up such that you could create a conventional gear, except their gear faces would not touch.
Faraday posed his theories in terms of geometric structures, such as lines of magnetic force.
If the sharks indeed have some way of following magnetic lines, when he engages the coils, the sharks will change directions.
They inject bunches of electrons into a several - meter - long tube lined with magnetic «undulators.»
He reasoned that lines of force were analogous to the paths followed by the molecules of a fluid and that the strength of the electric or magnetic field was analogous to the velocity of the fluid.
«We computed the Sun's magnetic environment by tracing millions of magnetic field lines and looking at how neighboring field lines connect and diverge,» said Antonia Savcheva, an astrophysicist at the Harvard - Smithsonian Center for Astrophysics in Cambridge, Massachusetts, and co-author of the paper.
Chintzoglou and his colleagues developed a model that identified locations on the Sun where the magnetic field was especially compressed, since rapid releases of energy — such as those they observed when the filament collapsed — are more likely to occur where magnetic field lines are strongly distorted.
Similar to how water in a bathtub forms a whirlpool as it goes down a drain, the gas and magnetic fields that feed a supermassive black hole swirl to form a rotating disk — a tangled spaghetti of magnetic field lines mixed into a broth of hot gas.
«The hyperbolic flux tube breaks the filament's magnetic field lines and reconnects them with those of the ambient Sun, so that the filament's magnetic energy is stripped away,» Chintzoglou said.
The magnetic field lines originate in the Earth's core and emerge near the poles, where their angle of dip — or inclination — relative to Earth's surface is almost 90 degrees.
A team of researchers at the Brazilian Center for Physics Research is studying the motion of vortex domain walls — local regions of charge that collectively store information via their configuration — driven by magnetic fields in ferromagnetic nanowires, which are configured in a straight line with an asymmetric Y - like branch.
Monarchs, they found, navigate north or south using the change in dip of Earth's magnetic field lines with latitude.
Travis Horton at the University of Canterbury, New Zealand, plotted the migratory tracks from each species over a detailed magnetic map of Earth, which shows how the magnetic field's inclination and declination — the angular difference between the field lines and true north — vary from point to point.
As astronomers report online today in Nature, magnetic fields inside M33's six most massive giant molecular clouds — large concentrations of dense gas and dust that give birth to stars — line up with the spiral arms, suggesting the magnetic fields helped create the huge clouds and that they regulate how the clouds fragment to form new stars.
The only line of defense left to us would be Earth's meager magnetic field.
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