Sentences with phrase «strong magnetic fields as»

The astronomers suggest that the orderly behaviour of the planetary nebulae could have been caused by the presence of strong magnetic fields as the bulge formed.

Not exact matches

The Axion Dark Matter eXperiment, started at Lawrence Livermore National Laboratory before moving to the University of Washington, seeks the subtle signatures — just a trillionth of a trillionth of a watt — left by axions as they're snagged by a strong magnetic field.
Vacuum birefringence «can be detected only in the presence of enormously strong magnetic fields, such as those around neutron stars,» study co-author Roberto Turolla, a scientist at the University of Padua in Italy, said in the statement.
For example, scientists don't understand why the magnetic field is as strong as it is, or why the field reverses polarity — the North Pole becomes the South Pole and vice versa — every several hundreds of thousands of years, briefly vanishing in between.
Neutron stars, the extraordinarily dense stellar bodies created when massive stars collapse, are known to host the strongest magnetic fields in the universe — as much as a billion times more powerful than any human - made electromagnet.
In research machines such as fusion reactors, scientists use strong magnetic fields to confine plasma, but those fields interfere with seeing what might happen during a natural dynamo.
Neutron stars, the extraordinarily dense stellar bodies created when massive stars collapse, are known to host the strongest magnetic fields in the universe — as much as a billion times more powerful than any man - made electromagnet.
In a recent paper published in EPJ H, Fritz Wagner from the Max Planck Institute for Plasma Physics in Germany, gives a historical perspective outlining how our gradual understanding of improved confinement regimes for what are referred to as toroidal fusion plasmas — confined in a donut shape using strong magnetic fields — have developed since the 1980s.
Under these conditions, the liquid sodium is subjected to a strong magnetic field and to fast rotation, as would be expected in Earth's core, and undergoes both large - scale motion and random fluctuations.
The early Earth's magnetic field is expected to have been about as strong as it is today, or slightly weaker.
If you then apply a strong vertical magnetic field, the flowing electrons will experience a sideways shove that will cause them to crowd to the side of the bar as they go so that a voltage develops across the width of the bar too.
To emulate a strong magnetic field, the researchers created a non-planar arrangement of four mirrors that makes the light twist as it completes a round trip.
If a neutron star is left, it may have a very strong magnetic field and rotate extremely quickly, emitting a beam of light that can be observed when the beam points towards Earth, in much the same way as a lighthouse beam sweeping past an observer.
Superconductivity and magnetic fields are normally seen as rivals — very strong magnetic fields normally destroy the superconducting state.
But how they come together is of interest as the particles first gather into a disorganized aggregated cluster and then into a crystal - like regimen as the magnetic field becomes stronger.
Mercury, with a substantial iron - rich core, has a magnetic field that is only about 1 percent as strong as Earth's.
As expected, superconductivity is destroyed in the presence of very strong magnetic fields (in the case of this material above 12 Tesla).
According to the most prevalent theory, the black hole and the gas disk are surrounded by a strong magnetic field in which particles such as electrons are accelerated to almost the speed of light.
It is probable that strong magnetic fields, which accelerate the particles at right angles to the disk and into the jets, occur here as well.
But Bignami's team calculated that the magnetic field of 1E1207.4 - 5209 is one - thirtieth as strong as it should be.
As they report online today in Nature Communications, superflares do seem to be produced by the same process, but they usually occur in stars with much stronger magnetic fields than the sun's.
The resulting interaction converted magnetic energy into kinetic energy and sent charged particles such as cosmic rays raining down on Earth's magnetosphere, the region around Earth where its own magnetic field is stronger than other magnetic fields in space.
These defects «pin» in place, or trap, the microscopic magnetic vortices that form when the superconductor is placed in a strong magnetic field, such as those generated by magnets in magnetic resonance imaging (MRI) machines.
For certain applications, there is indeed a desire for a kind of compensator, namely for a relatively low magnetic flux to match conditions as under very strong fields.
Physicists had long suspected that the energy spectrum of an electron in a strong magnetic field is, mathematically, a fractal known as a Cantor set — a poser that came to be called the «10 - martini problem» after a bounty that was offered for its solution.
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.
Now the full effect has been observed, and it persists even when experimenters jiggle the strength of magnetic or electric fields — a robustness that provides even stronger evidence that the experiment has captured a Majorana, as predicted in careful theoretical simulations by Liu.
Scientists think the stronger magnetic field would have kept more gasses in the atmosphere, just as a stronger magnet can hold more paper clips.
Additionally, as this NASA press release details, Juno's observations reveal that Jupiter's magnetic field — already known to be the most intense in the solar system — is even stronger than previously estimated, and uneven, with lumpy areas of relative strength and weakness.
In the storage ring, the electrons are deflected from their trajectory by strong magnetic fields to produce the extremely bright photons know as synchrotron light.
There exist theories suggesting that strong magnetic fields coupled with rapid rotation act as whirling rotary blades to fling out the nearby gas.
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.
Current - day Earth generates a strong magnetic field capable of deflecting the majority of the stellar material flung at it through events such as a coronal mass ejections.
The strength of the sun's magnetic field is typically only about twice as strong as Earth's field.
NOAA's Space Weather Prediction Service, based in part on these observations, predicts strong disturbances to Earth's magnetic field on January 9 and 10 as energetic material from the flare passes by the Earth.
A second possibility is that, as the dying star spins, its strong magnetic fields are wound up into complex shapes like spaghetti in an eggbeater.
The vast majority of the 100,000 stars observed to experience the flare events as part of the study boast a magnetic field significantly stronger than our Sun.
Mariner 10 showed that Mercury has a magnetic field that is 1 % as strong as Earth's.
Loops of plasma are held in place by the sun's strong magnetic fields, concentrated in active regions that are visible to the naked eye as sunspots.
Indeed, sometime after the tenuous gas of the Solar nebula began collapsing into the proto - Sun within its host molecular cloud, a strong magnetic field developed that was instrumental in transporting rotational energy away from its core region in bi-polar jets of gas so that centrifugal forces created by the nebula's collapse did not grow so much as to halt continuing gravitational contraction.
For example, if a magnetic field is strong enough to attract or repel ions such as sodium and chloride in the blood, these ions may eventually encounter the walls of the blood vessels, move more rapidly, and cause an increase in tissue temperature or an increase in blood flow.
When a molecule or compound with an unpaired electron is placed in a strong magnetic field, the spin of the unpaired electron can align in two Another dating method using electron spin resonance (ESR)-- also known as electron paramagnetic resonance (EPR)-- is based on the measurement of
As with any magnetic field, the closer the market gets, the stronger the magnetic pull, and the more likely it is that the market will reach the target.
This is in part because the equipment runs as much as $ 1 million to buy and needs to be stored in a specially housed area to protect the rest of a veterinary hospital from its strong magnetic field.
As I posted previously, planetary magnetic fields give us strong evidence for a young solar system and a young earth.
Sunspots serve as a proxy for solar magnetic field strength — fewer or more sunspots with weaker or stronger field respectively.
Your own 300 year long sunspot data (as well as those of Wang, Lean, and Sheeley) http://www.vukcevic.talktalk.net/TMC.htm also suggest that there is an (for some inconvenient) direct strong link between solar activity and the Earth's magnetic field change.
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