Sentences with phrase «effects of the magnetic field»

Eventually, even the complicated effects of magnetic fields may be included.

Bismuth is a historically interesting element for scientists, as a number of important discoveries in the metal physics world were made while studying it, including important observations about the effect of magnetic fields on electrical conductivity.

The effects of the magnetic fields can also be seen rippling through large clouds like a gust through a cornfield.

Other researchers have searched for materials where electric fields can mimic the effects of a magnetic field, but finding materials where this effect is strong enough and still works at room temperature has proven difficult.

«Only by combining the high quality observations at very different wavelengths could we do this and when we separated these energy sources the effect of the magnetic field was surprisingly clear.»

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

Jupiter's giant, spectacular polar aurorae are created by the effects of the magnetic field of the planet combining with gases from the volcanic moon Io.

The effects of magnetic field exposure on blood flow and blood vessels in the microvasculature.

Not exact matches

The fact is, the Earth's magnetic field has reversed thousands of times over the Earth's lifetime, with no apparent effect on it's rotation.

«I prefer to think that there is some aspect of the mechanism that we're completely missing that amplifies the effect of time - dependent magnetic fields on the radical pairs and makes them more sensitive to changes than our simulations predict.»

The researchers show that this effect could continuously stimulate the motion of the liquid iron alloy making up the outer core, and in return generate Earth's magnetic field.

«The radical - pair mechanism of magnetoreception is still just a hypothesis, and arguably the best evidence we have for it so far is the effect of time - dependent radiofrequency magnetic fields on the ability of migratory birds to detect the direction of the Earth's magnetic field,» says senior author Peter Hore, an Oxford biophysical chemist specializing in magnetic influences on chemical reactions.

These include the overall validity of the radical - pair mechanism, whether birds might have evolved to be able to detect minute magnetic changes and have thus become susceptible to human - produced radio noise as a side - effect, or even whether applied electromagnetic fields might be affecting a different behavior — such as motivation — altogether.

The effect of gravitational forces on a planet's magnetic field has already been well documented for two of Jupiter's moons, Io and Europa, and for a number of exoplanets.

The effect, which has not yet been demonstrated, would take advantage of the stationary magnetic field that surrounds a charged loop of metal.

Current astronauts are not as exposed to the damaging effects of radiation, Davis says, because the International Space Station flies in an orbit low enough that the Earth's magnetic field continues to provide protection.

Sensors placed around the outer sphere and inside the sodium were used to map the magnetic field, while ultrasound beams measured the rate of flow of the fluid using the Doppler effect.

How the magnetic field of the CME interacts with Earth's magnetosphere, the magnetic shell covering and protecting the planet, determines how severe any terrestrial effects will be, notes Gombosi, who has built models of the interaction.

That polarization is evidence of «vacuum birefringence,» a quantum effect first predicted 80 years ago caused by light interacting with the vacuum of space in a strong magnetic field.

A magnetic field and dense atmosphere could shield against the effect of these harmful rays.

The NRC panel, chaired by neurobiologist Charles Stevens of the Salk Institute in La Jolla, California, looked at more than 500 human, animal, and cellular studies on EMFs and found «no conclusive and consistent evidence... that exposures to residential electric and magnetic fields produce cancer, adverse neurobehavioral effects, or reproductive and developmental effects.

Astronomers have at last observed polarisation of light by virtual particles in a neutron star's magnetic field, a long - expected quantum effect

The effect is much the same as when the sun's «wind» of charged particles and magnetic fields blows a comet's gas and dust into a tail.

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.

«What we have is a dial that not only mimics the effects of temperature with a magnetic field but also offers the ability to watch through a microscope what happens in an actual system,» Biswal said.

For my doctoral thesis I investigated effects of the particular magnetic field shape from different experiments, such as WENDELSTEIN 7 - X, on this drift instability and turbulence.

Because of the high magnetic field required to produce the magnetoresistance effect, Kobayashi says, the material isn't ready to be used in data storage devices.

«Most surprising is that the blast wave was still strong enough to cause significant effects in the atmosphere of Saturn, which is nearly a billion miles from the sun and has a magnetic field much larger than Earth's,» says Ed Stone of Caltech, chief scientist of NASA's Voyager program.

However, when bismuth ferrite is placed in a strong magnetic field (greater than a certain critical value), the structure is destroyed and this is accompanied by the emergence of a linear ME effect (when polarization is linearly proportional to the applied field).

Researchers based in New York City can pursue a study that requires a highly sensitive device for measuring magnetic fields of the brain — despite the potentially disruptive effect of the subway system — by locating the device in another country.

Earth's magnetic field and atmosphere protect us on the ground from most of the harmful effects of space weather, but astronauts in low - Earth orbit — or even, one day, in interplanetary space — are more exposed to space weather, including bursts of fast - moving particles called solar energetic particles, or SEPs.

The research will advance our knowledge of the sun's complex and mysterious magnetic field and its effects on Earth's atmosphere and land.

The magnetoelectric effect is when electric polarization occurs under the influence of an external magnetic field and magnetization occurs under the influence of an electric field.

But four years ago, Xiao - Gang Wen of the Massachusetts Institute of Technology realised that if a magnetic field was applied across the material, the disruptive effect of impurities could be eliminated.

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.

Until the mid-2000s, the quantum Hall effect and other topological effects had been seen only in the presence of strong magnetic fields.

Two years ago, Prof. Andrei Pimenov and his team at the Institute of Solid State Physics of TU Vienna, together with a research group from the University of Würzburg, managed to achieve a massive Faraday effect as they passed light through special mercury telluride platelets and applied a magnetic field.

A better understanding of the structure of Earth's inner core would clarify its role in locking the planet's magnetic field in its north - south position, which has the effect of insulating terrestrial life from a lethal bombardment of cosmic rays.

This suggests that, as predicted, the neutron star's ultraintense magnetic field is distorting empty space through a quantum mechanical effect involving ghostly «virtual» particles lurking in the vacuum — the sort of thing usually seen only on the atomic scale.

This is because the extreme density of the plasma gives rise to quantum effects, while the high energy density of the magnetic field gives rise to relativistic effects, says Shi.

The largest of these eruptions cause what is known as space weather — the radiation, energetic particles and magnetic field releases from the Sun powerful enough to cause severe effects in Earth's near environment, such as the disruption of communications, power lines and navigations systems.

Gravity, together with quantum effects, disrupts the electric - magnetic duality or symmetry of the electromagnetic field.

Both of these parameters, the Hall potential and the strength of the magnetic field, can be measured by a Hall effect transducer or sensor.

This effect is also applicable at the quantum level, with one caveat: instead of the voltage smoothly increasing as the magnetic field intensifies, the voltage jumps up in steps.

Her team's research opens up new possibilities in the nascent field of 3 - D nanomagnetics, which has evolved through recent discoveries of new magnetic effects at the atomic level, as well as advances in characterization methods such as in the X-ray magnetic microscopy technique used by the group.

Tiny devices that take advantage of a recently discovered physical effect called extraordinary magnetoresistance could be used in blazingly fast computer disk drives with huge capacities and in dozens of other applications involving the sensing of magnetic fields

The overall effect is that of a magnetic field that appears to travel from one point to another through a dimension that lies outside the conventional three dimensions.

«The effect of extremely low frequency magnetic fields on ALS development is not clear,» says Christian Holscher at Lancaster University, UK.

The recent prediction and experimental realization of standard type - I Weyl fermions in semimetals by two groups in Princeton and one group in IOP Beijing showed that the resistivity can actually decrease if the electric field is applied in the same direction as the magnetic field, an effect called negative longitudinal magnetoresistance.

They combined observations in the visible and the near infrared from the Hubble Space Telescope with radio observations from the Very Large Array and the Submillimeter Array to explore the effect of the turbulence, stellar radiation, and magnetic field on massive star formation in the galaxy's nuclear ring.