Sentences with phrase «by magnetic fields as»

But the charged cosmic rays are deflected by magnetic fields as they travel, making them hard to track.

Not exact matches

That non-Markov machines exist is shown by a simple example: the magnetization of a piece of iron immersed in an oscillating magnetic field depends on the values of the external field in the past, as well as in the present.

A compass is not made of the same substance as a magnetic field, nor is it sent or chosen by the north pole, but it is accurately sensitive to the pull and direction of the magnetic field within which we live.

Other effects, such as light scattering from cosmic dust and the synchrotron radiation generated by electrons moving around galactic magnetic fields within our own galaxy, can also produce these polarisation twists.

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.

These electrons, known as photoelectrons, have a very specific energy of 24.1 electronvolts, which means they can be traced by the CAPS instrument, and easily distinguished from other electrons, as they propagate through the surrounding magnetic field.»

In bird eyes, suitable radicals are believed to be generated within cryptochrome, a light - absorbing protein that produces an as - yet - unidentified signaling molecule in a quantity determined by the field direction, resulting in an avian magnetic compass.

Magnetotactic bacteria can even sense the earth's magnetic field by making use of magnetic nanoparticles in their interior that act as an internal compass.

Structural magnetic resonance imaging (MRI), which measures the anatomy and structural integrity of the brain, and magnetoencephalography (MEG), which measures magnetic fields created by the brain's electrical activity, were used to track potential age - related differences as groups of younger and older adults performed a memory task.

Inserting magnetic droplets at different locations in the tissue, and generating forces by applying a magnetic field to the droplets, the researchers showed that the tissue behaves like a fluid while growing, with similar mechanical characteristics as thick honey.

Earth's magnetic field bent these particles about 180 degree, from the day - side to the night - side of the Earth where it was detected as a burst by the GRAPES - 3 muon telescope around mid-night on 22 June 2015.

Sheltered as we are by Earth's atmosphere and magnetic field, which deflect lethal radiation from space, we are like coddled children who have never ventured into a tough neighborhood.

By carefully controlling the composition of the droplets and the strength of the magnetic field, the forces applied by the droplet can be controlled, and the response of the surrounding tissue reveals its mechanical characteristics as well as the cues that cells are exposed to as the tissue growBy carefully controlling the composition of the droplets and the strength of the magnetic field, the forces applied by the droplet can be controlled, and the response of the surrounding tissue reveals its mechanical characteristics as well as the cues that cells are exposed to as the tissue growby the droplet can be controlled, and the response of the surrounding tissue reveals its mechanical characteristics as well as the cues that cells are exposed to as the tissue grows.

This modeling would be aided by observations that somehow capture the direction of the magnetic field within the CME as it leaves the sun and by «a better understanding of how the magnetic field will change and evolve as the CME makes its multiday transit from the sun to Earth,» Viereck says.

At these «beamlines» scientists harvest X-rays produced by the electrons as they pass through carefully controlled magnetic fields (see «Europe's shining new light», New Scientist, 14 March 1992).

In that case, the electrons can flow in only a few quantum channels that close one by one as the magnetic field increases.

The ultra-high magnetic fields induced by the laser strike are key to what the scientists describe as «relativistic transparency» of the target.

As this magnetization is written using a magnetic field, it can also be erased by a magnetic field.

Both to better understand how the earth formed and how the interior might have an effect on our life on the surface of the Earth today, such as by the magnitude and reversals of the Earth's magnetic field.

Previous research has suggested that the majority of the water was lost to space as a result of the collapse of the planet's magnetic field, when it was either swept away by high intensity solar winds or locked up as sub-surface ice.

The Hall voltage climbs as the magnetic field increases in a series of even steps whose spacing is set by the electron's charge.

As the crystalline areas have a lower permeability than the amorphous areas, information can be read from the memory by reading the changes in a probe magnetic field.

Later generations could be triggered by other stimuli, such as light, electrical charges, or a magnetic field.

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.

By placing the MRFE between the transmitter and the receiver (without touching either) as an intermediate material, the researchers were able to significantly enhance the magnetic field, increasing its efficiency.

Low field magnetic stimulation (LFMS) is one such potential new treatment with rapid mood - elevating effects, as reported by researchers at Harvard Medical School and Weill Cornell Medical College.

Research from North Carolina State University and Carnegie Mellon University shows that passing wireless power transfer through a magnetic resonance field enhancer (MRFE)-- which can be as simple as a copper loop — can boost the transfer efficiency by at least 100 percent as compared to transferring through air alone.

As it flew by Mercury, it ran smack into a wave of charged particles from the solar wind that had apparently been deflected by a powerful magnetic field.

Earth's dual radiation belts, known as the Van Allen belts, are layers of energetic particles held in place by the planet's magnetic field.

In the above study, electrons in the conductor are described by the wave functions of quantum mechanics and the magnetic field is expressed as the U (1) gauge field.

The waves in the magnetic field used by the HST researchers have the same frequency range as radio waves (between 350 and 400 kilohertz).

Likewise, on Mir and the International Space Station, they have largely been shielded by Earth's magnetic field (except in a small, quirky patch of orbit above Brazil known as the South Atlantic Anomaly).

It will be surrounded by superconducting niobium coils that create magnetic fields 100,000 times as powerful as Earth's.

«Closer to Earth we can observe charged particles from the sun, but analyzing them can be a challenge as their journey is affected by magnetic fields.»

For these studies, NIST developed a direct - current (DC) magnetometer in which polarized light is used as a detector to measure the «spin» of rubidium atoms induced by magnetic fields.

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.

As the cube was rotated, the intensity of the magnetic field felt by the pigeon in the center varied.

Spacecraft in low - Earth orbit, such as the shuttle and the International Space Station, are protected from these particles by the Earth's magnetic field, but astronauts travelling farther afield would not benefit from this protection.

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.

As a step toward that goal, the NIST researchers demonstrated detection of digitally modulated magnetic signals, that is, messages consisting of digital bits 0 and 1, by a magnetic - field sensor that relies on the quantum properties of rubidium atoms.

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.

Rocks become magnetic by taking on their planet's field while still molten, and this field becomes locked in as they cool and solidify.

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.

Within the condensate, the spins produced something analogous to a magnetic field: The condensate behaved as if it were a charged particle being pushed around by a magnetic field when in reality no such magnetic field existed.

Out in the real world, they are quickly overwhelmed by background noise as minuscule as changes in Earth's magnetic field caused by distant solar storms.

Upon exiting the heliopause, the local measurements of the magnetic field by Voyager 1, shown here as a compass needle, differed by 40 degrees from the «true magnetic north» estimated to be the direction of the magnetic field in the pristine interstellar medium.

In a plasma confined by the toroidal magnetic field, as the pressure rises (higher temperature and higher density) there is a tendency for the plasma to become unstable.

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.

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.

By applying a magnetic field to these crystals, scientists can make them almost as strongly magnetic as ordinary fridge magnets.