Sentences with phrase «by a magnetic field when»

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.

Not exact matches

On Earth, the brightest auroras (the high - altitude glows often called the northern and southern lights) are generated when electrons in outer space near Earth are accelerated by large electrical potentials, or voltages, along the lines in our planet's magnetic field and slam into gas molecules in the upper atmosphere above polar regions.

According to the new work, Mars» magnetotail is formed when magnetic fields carried by the solar wind join with the magnetic fields embedded in the Martian surface in a process called magnetic reconnection.

MRIs work by tapping into an astonishing phenomenon: When placed in a powerful magnetic field, the hydrogen atoms in water molecules behave like small bar magnets.

The researchers found that by tuning certain dimensions of the microfluidic lattice, they were able to direct billions of microbes to align and swim in the same direction, much the way electrons circulate in the same direction when they create a magnetic field.

The first tool detects burned earth by gauging fluctuations in its magnetic field; the second determines how long ago an object was heated by measuring the photons it emits when baked in a lab.

An array of wire coils generates a magnetic field and when a phone disrupts that field, MagMIMO senses it and focuses on the phone by creating a slightly different field with each coil.

When light hits cryptochromes, they undergo chemical reactions that may be influenced by the direction of Earth's magnetic field, providing a signal of the bird's orientation.

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 device contains sliding steel plates separated by an oily liquid that grows thicker when a magnetic field is applied.

In the last few years, several experimental groups have shown that individual particles in fluid — when coaxed to spin by magnetic or electric fields — can form interesting collective structures.

Because solar storms enhance the electric currents that let this magnetosphere - ionosphere lightning take place, this type of energy transfer is much more likely when Earth's magnetic field is jostled by a solar event.

But in crystals of an iron - molybdenum oxide, a team led by Kei - Ichiro Kobayashi at the Joint Research Center for Atom Technology in Tsukuba, Japan, saw a 10 % drop in resistance when they placed the material in a strong magnetic field, considerably more than the one seen in comparable materials.

When placed in a magnetic field, a power will emerge, which could be measured by changes in the magnitude of tunneling current.

The gamma rays could be generated when charged particles are accelerated by strong magnetic fields around the stellar remnant.

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).

In 1979, when Voyager 1 and Voyager 2 passed by Jupiter, Krimigis's detectors picked up sulfur and oxygen ions whipped up by the giant planet's powerful magnetic fields.

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.

Furthermore, when a magnetic field was applied across the same interface, in and out of the plane of the cobalt, this showed a tunablity of the TAMR spin voltage by 1.2 mV.

Arc - like solar prominences like these form when hot gaseous matter erupts from the sun, then is drawn back to the solar surface by strong magnetic fields.

What's more, the retinal cells containing cryptochromes connect with a brain region which, when removed, hinders the bird's ability to navigate by the magnetic field.

Two years ago, however, a team led by Michael Walker from the University of Auckland in New Zealand reported that captive trout could be conditioned to nudge a bar and receive food when they detected a magnetic field.

These devices save power by generating a magnetic field in each element of the picture, sustaining the picture even when the current is turned off.

Wüthrich found a way to determine the precise shape of a very large biomolecule by studying how its hydrogen nuclei wobble when exposed to carefully tuned magnetic fields — a phenomenon known as nuclear magnetic resonance, or NMR.

By adding a fluorescent marker to the neurons, researchers could watch the pair light up when exposed to magnetic fields.

When subjected to an «eccentric magnetic field,» the spheres self - assembled and the smaller spheres, attached by virtual hinges, traced rough orbits to one side of their larger partners.

The diagram labels by two red dots the location of an ESA Cluster satellite and NASA's IMAGE satellite on 15 September 2005, when particular conditions of the magnetic field configuration gave rise to a phenomenon known as «theta aurora.»

This aurora is driven by Jupiter's intense magnetic field, which causes particles to reach such high speeds that they can split the water molecules in the plume when they hit them, resulting in oxygen and hydrogen ions which leave their telltale imprint in the colours of the aurora.

«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.»

Here we report that hatchling loggerheads, when exposed to magnetic fields replicating those found in three widely separated oceanic regions, responded by swimming in directions that would, in each case, help keep turtles within the currents of the North Atlantic gyre and facilitate movement along the migratory pathway.

But diffusion MRI suffers from magnetic field artifacts that can distort the actual location of tumors by as much as 1.2 centimeters or roughly half an inch — a significant distance when surgeons are attempting, for example, to assess whether a tumor extends beyond the prostate and into adjacent nerve bundles.

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.

When stimulated by radio waves, the elements emit distinctive signals in a magnetic field.

The phenomenon occurs on Earth when charged particles emanating from the Sun are channeled into the upper atmosphere by the planet's magnetic field.

When the charged beam reaches the end of the linac, eponymous «neutralized drift compression» takes over: plasma is injected to neutralize the ion beam; the ion bunches are squeezed radially by magnetic fields while the tails of the bunches are allowed to catch up to their heads, forming a compact, focused beam at the precise moment it hits the target.

Also, the reason the molecules «see» the solar winds when they are ionized is they now have a charge, and thus can interact with the magnetic field carried by the solar wind.

When they reach the earth, some 40 hours after leaving the sun, they follow the lines of magnetic force generated by the earth's core and flow through the magnetosphere, a teardrop - shaped area of highly charged electrical and magnetic fields.

This ambiguity was explained by JJ Noval at NAMRL in Pensacola, when he showed that magnetic fields that vibrated in the ELF range would increase the levels of acetylcholine in the rat brainstem directly.

When a CME hits the Earth it interacts with the magnetic field (magnetosphere) generated by the planet's spinning molten iron core.

The solar wind and solar magnetic field (named the interplanetary magnetic field [IMF] when it is observed away from the Sun) expand throughout the entire solar system, extending to more than three times the distance of Neptune's orbit before the solar wind is slowed by the interstellar medium.

Anyone disputing Jelbrings hypothesis needs to prove that gravity does not provide a minimum heat / energy level in matter when that matter is being held back from falling further through the gravity field by the electro - magnetic and strong forces of the atoms in the rocks at the surface of the planet.

Similarly when the molecule is hit by a magnetic wave it will not reach its full kinetic and radiative potential until all its parts are moving in such a way as to propagate a field of disturbance equal to the constant of the energy input over time.