Sentences with phrase «by magnetic fields»

Was the balancing instrument affected by the magnetic field below it?
Large - scale cleanup operations would also require different types of motors, perhaps driven by magnetic fields or electrical current, the authors note.
On a larger scale, many black holes fire out huge jets of energetic matter, powered by magnetic fields.
At this point, however, the atoms are cold enough that they can be confined by magnetic fields.
Space may seem empty, but it's actually a dynamic place populated with near - invisible matter, and dominated by forces, in particular those created by magnetic fields.
These extremely high - energy particles maintain their speed and direction unaffected by magnetic fields.
The plasma is simultaneously pushed inside the sphere at opposite ends where it is molded by magnetic fields into a donut shape and forced to meet in the middle.
This makes it easily influenced by magnetic fields and forces, which can lead to complex behavior.
But apparently, the high and low - density lumps are partially bound together, most likely by magnetic fields linking distant clouds of gas and dust.
Scientists have made promising steps in developing a new magnetic memory technology, which is far less susceptible to corruption by magnetic fields or thermal exposure than conventional memory.
Because healthy tissue is not altered by the magnetic field, it does not heat up and is not damaged.
One theory, proposed in the 1990s, suggests that ball lightning is a plasma held together by magnetic fields arranged in rings that link together into a knot.
The particles are attached only by the magnetic field, giving the smaller one freedom to move in a swim - like motion with a long driving stroke and a short return stroke.
As matter is broken down around a black hole, jets of electrons are launched by the magnetic field from either pole of the black hole at almost the speed of light.
Sometimes their departure from the vertical brings them closer to gray spheres, as if pulled by a magnetic field.
The device operates wirelessly, powered by a magnetic field.
And unlike many other subatomic particles, neutrinos have no charge, so they travel in a straight line from their source without being deflected by the magnetic fields around stars.
Over time, it should detect tens or hundreds of cosmic rays from individual AGNs and their range of energies should clarify exactly how they were accelerated — a process thought to be controlled by magnetic fields around the colossal black holes.
University of Virginia scientists have demonstrated that neurons in the brain that have been supplemented with a synthetic gene can be remotely manipulated by a magnetic field.
Such a fierce stellar wind would batter the atmosphere of any planet in the habitable zone, unless that planet was shielded by a magnetic field.
Their qubits are made from ytterbium ions held in place by magnetic fields and lasers, a technology with its origins in atomic clocks.
What Dudik witnessed was the ultra-violet dance caused by the magnetic field lines slipping around each other, continuously «unzipping» and reconnecting as the footpoints of the flare loops move around on the surface.
If climate change is actually driven by magnetic fields of the earth and sun, then such metallic headgear would be a valid protection for citizens and their companion animals against the perils of non-static climate.
But the charged cosmic rays are deflected by magnetic fields as they travel, making them hard to track.
Due to their peculiar quantum mechanical properties, currents induced by a magnetic field in Moebius molecules flow in the direction opposite to that they would take in normal rings.
Until recently, it was not clear what prevented the delicate filaments from being destroyed by competing gravitational forces, but Hubble Space Telescope images suggest they are supported by magnetic fields generated near the galaxy's central black hole.
In birds, cryptochromes are also involved in the light - dependent magnetic orientation response based on Earth's magnetic field: cryptochrome 1a is located in photoreceptors in birds» eyes and is activated by the magnetic field.
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.
The direction of the curvature of the path, caused by a magnetic field, indicated that the particle was a positively charged one but with the same mass and other characteristics as an electron.
As the name suggests, it shares many parallels with its terrestrial counterpart; it consists of cool plasma condensations falling from coronal heights towards the solar surface guided by magnetic field lines.
(Scientists will have to wait for improved instruments and another eclipse to see how these wavelengths are distorted by the magnetic field.)
Dangerous cosmic rays are deflected by the magnetic field back out into space, and our atmosphere remains robust because of this protection.
The plasmas are confined by magnetic fields because no physical container could withstand such heat.
Naval researchers, Manheimer recounts, attempted to use plasma antenna technology aimed by magnetic fields to create a more precise «agile mirror» array.
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.
As this magnetization is written using a magnetic field, it can also be erased by a magnetic field.
In lab experiments, scientists found that the longer it took the rock to cool, the larger the resulting crystals, allowing researchers to use crystal size to determine how long a rock was hot and its electrons susceptible to alignment by magnetic fields.
NASA might choose to extend it, but the spacecraft could still succumb any day to the intense radiation from the deadly halos of high - energy particles trapped around the planet by magnetic fields.
But a single hole is hindered from moving along the sheet by the magnetic fields of the copper atoms.
Images of the sun in the far ultraviolet and in X-rays (acquired most recently by the Solar and Heliospheric Observatory spacecraft, the Yohkoh satellite, and the NIXT rockets) show that the heating of the corona is localized in solar active regions, which indicates the important role played by the magnetic field.
«We know that atoms, stripped of one or more electrons, are trapped by magnetic fields and move along the field lines.
Most astronomers assume that the gas is heated by the magnetic field that pervades the corona.
Earth is protected from solar eruptions and space weather by its magnetic field.
These skyrmions were then excited by a magnetic field pulse to trace their motion.
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.
Luckily for us, Earth is protected by a magnetic field, Yeager says.
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