Sentences with phrase «magnetic fields in»

It took a world - class mathematician and his team to solve an «impossible» problem — how to shape magnetic fields in real time.
The difference between modeled and observed TSI might be the result of underrepresented weak magnetic fields in the Carrington rotation synoptic charts, an uncertainty in the TSI measurement, or a decline of the global temperature of the photosphere.
In order to study if an underrepresentation of weak magnetic fields in the Carrington rotation synoptic charts is the explanation for the difference between our model and the observation, full - disk images with higher spatial and temporal resolution should be analyzed in future.
Then magnetic fields in the mantel would then begin drifting causing anyone's guess.
The high magnetic fields in the sunspot - producing active regions also give rise to explosions known as solar flares.
But DKIST will allow us to actually measure the magnetic fields in the corona.
A tokamak, the most advanced magnetic fusion concept, uses magnetic fields in a donut - shaped ring to confine, heat, and squeeze plasma until it ignites, and then holds the burning plasma in place.
Sunspots and solar flares are driven by magnetic fields in the Sun.
Polarimetry is an important method to investigate magnetic fields in the Universe and astronomers eager to use ALMA for unveiling magnetic mysteries, such as the launching mechanism of high energy jets from supermassive black holes.
A specialized camera on a telescope operated by U.K. astronomers from Liverpool has made the first measurement of magnetic fields in the afterglow of a gamma - ray burst (GRB).
«This breakthrough observation gives us the first measurement of magnetic fields in the afterglow of a GRB,» said Swift lead scientist Neil Gehrels, Swift lead scientist at NASA's Goddard Space Flight Center in Greenbelt, Md..
«The high resolution of IllustrisTNG combined with its sophisticated galaxy formation model allowed us to explore these questions of magnetic fields in more detail than with any previous cosmological simulations,» says Vogelsberger, one of the authors of the three papers published today in the Monthly Notices of the Royal Astronomical Society.
This finding opens the door to understanding the role of magnetic fields in some of the most powerful events in the universe.
Depending on the interests of the student the project will involve mathematical and computational modelling of complex magnetic fields in plasmas, with relevance to understanding phenomena in the solar atmosphere.
And to get those electrons to give up energy in the form of ultrabright X-ray light, they are wiggled in powerful, alternating magnetic fields in a device called an «undulator.»
Specific sources of other cosmic rays can not be determined easily, because large magnetic fields in the galaxy scatter the rays in all directions.
Another technique dubbed magnetoencephalography (MEG) maps magnetic fields in the brain produced by electrical signals; a similar approach, transcranial magnetic stimulation (TMS), selectively stimulates parts of the brain and is already being used to treat severe depression, migraine headaches and other conditions.
The SKA will also investigate the connection between the formation of magnetic fields and the formation of structure in the early Universe, and we will obtain solid constraints on when and how the first magnetic fields in the Universe were generated.
This new finding implies that the retarding effect of magnetic fields in disk formation may not be as efficient as we thought before,» says Zhi - Yun Li at University of Virginia
Because the highest - energy cosmic rays are deflected very little by the magnetic fields in our galaxy - and even less by the much weaker fields in intergalactic space - we ought to be able to look back in the direction of the cosmic rays to find their origin.
The highest - energy cosmic rays are not deflected much by the weak magnetic fields in our Galaxy, yet they do not arrive preferentially from the disk of the Milky Way or the side of the sky toward the center of the Galaxy.
A team of scientists, led by Boy Lankhaar at Chalmers University of Technology, has solved an important puzzle in astrochemistry: how to measure magnetic fields in space using methanol, the simplest form of alcohol.
He notes that such a model requires precise knowledge of gas velocities as well as the strength and tilt of magnetic fields in the penumbra, data the Swedish team hopes to obtain next year.
Geophysicists have traced the process back to early in Earth's history by measuring magnetic fields in ancient rocks, and some have attempted to extrapolate from the present motion of the plates the likely shape of the next supercontinent.
The discovery of a remote galaxy with a magnetic field far stronger than expected may mean that astronomers will have to revise their ideas of how magnetic fields in the Universe first developed.
Most computers manipulate information in the form of bits, 1s and 0s, which are stored as high and low voltages or as north - or south - pointing magnetic fields in your PC.
University of California, Berkeley, physicist Dmitry Budker and his colleagues at Ben - Gurion University of the Negev in Israel and UCLA have now shown that these diamond sensors can measure the tiny magnetic fields in high - temperature superconductors, providing a new tool to probe these much ballyhooed but poorly understood materials.
The control and movement of magnetic fields in a material can be exploited for high performance in electronic applications.
The team tested the tiny turtles» ability to distinguish among the regional magnetic fields in a seawater - filled pool.
For example, in an MRI, they could be used to sense magnetic fields in far more detail than with today's technology, perhaps distinguishing atoms.
A recent study detected the emergence of small - scale magnetic fields in the lower part of the sun's corona that may act as precursors to a flare.
«Weak magnetic fields in nanocrystals don't just play a role in paleomagnetism.
A new instrument gave the team minute - by - minute updates on the strengths of magnetic fields in the spots.
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.
So Roger Fu of the Massachusetts Institute of Technology in Cambridge and colleagues teased apart the multiple magnetic fields in the meteorite Allan Hills A81001, a piece of vestan crust retrieved from the Antarctic ice.
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.
The problem is that magnetic fields in interstellar space deflect cosmic rays on their way to our detectors, scrambling their paths and making it difficult to trace their origins.
He notes, however, that in that region a filament of galaxies kinks toward Earth and speculates that magnetic fields in that string might help rev up particles.
In this plan, near - stationary protons would be dumped in the center of a small cyclotron and accelerated by magnetic fields in spirals until they reached the cyclotron's outer edge.
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.
A research team in India has developed a set of numerical computations to shed light on this phenomenon, and present this week in Physics of Plasmas, from AIP Publishing, analysis examining the role of chaotic magnetic fields in potential heating mechanisms.
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.
The curlicues trace the paths of highly charged particles racing along magnetic fields in the sun's atmosphere.
Exposure to non-ionizing radiation from magnetic fields in pregnant women appears to be linked to a significantly higher rate of miscarriage.
The Auger observations should also help track magnetic fields in the galaxy, because these fields bend charged cosmic rays slightly off a straight path.
A study of real - world exposure to non-ionizing radiation from magnetic fields in pregnant women found a significantly higher rate of miscarriage, providing new evidence regarding their potential health risks.
Spinning neutron stars are the class of stars with the most powerful magnetic fields in the universe.
He was interested primarily in simplicity and coherence — in particular, the symmetry of the forms of the equations for electrical and magnetic fields in motion.38 The variability of individual weighting among various criteria, which Kuhn describes, is also most noticeable in the early stages of a new theory.
Developed turbulence and nonlinear amplification of magnetic fields in laboratory and astrophysical plasmas
The magnetic field in the corona is too tenuous to study directly.
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