Sentences with phrase «magnetic fields»

Stars so young also are often active, with visual outbursts and dimmings, strong magnetic fields and enormous starspots that can make it appear that planets exist where they do not.

The Auger observations should also help track magnetic fields in the galaxy, because these fields bend charged cosmic rays slightly off a straight path.

However, University of Oxford researchers report October 3 in Biophysical Journal that the current form of this «radical - pair mechanism» is not sensitive enough to explain the disruption of the avian magnetic compass by certain radiofrequency magnetic fields, raising new questions about this popular example of quantum biology.

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.

Vacuum birefringence «can be detected only in the presence of enormously strong magnetic fields, such as those around neutron stars,» study co-author Roberto Turolla, a scientist at the University of Padua in Italy, said in the statement.

In 1930, physicists Werner Heisenberg and Hans Heinrich Euler predicted that very strong magnetic fields could change the polarity of light waves in a vacuum (where polarity refers to the orientation of the light's electric and magnetic fields).

Juno is mapping Jupiter's gravitational and magnetic fields to better understand the planet's interior structure and measure the mass of the core.

The team captured images of «solar braiding,» the transfer of energy from the sun's magnetic fields to the corona, theorized in 1983 but never observed.

«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.

Non-ionizing radiation from magnetic fields is produced when electric devices are in use and electricity is flowing.

Humans are exposed to magnetic fields via close proximity to these sources while they are in use.

«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.»

These new, non-invasive tools — representing significant advances related to positron emission tomography (PET), 3 - D microscopy and the use of magnetic fields and nanoparticles to remotely control targeted cells...

Since Mars has a patchwork of surface magnetic fields, scientists had suspected that the Martian magnetotail would be a complex hybrid between that of a planet with no magnetic field at all and that found behind a planet with a global magnetic field.

For this theory to work, the beams released by black holes would have to have strong, self - generated magnetic fields and the rotation of particles around the fields would then give off powerful bursts of gamma ray radiation.

They also will gather more magnetometer data over the next few years to see how the various surface magnetic fields affect the tail as Mars rotates.

This makes it easily influenced by magnetic fields and forces, which can lead to complex behavior.

«The goal is to study fundamental physics in the most extreme conditions in terms of density of matter, magnetic fields and gravity that you can not reproduce in labs,» Santangelo says.

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.

It carries magnetic fields from the Sun with it.

Thanks to Swarm's precise measurements along with those from Champ — a mission that ended in 2010 after measuring Earth's gravity and magnetic fields for more than 10 years — scientists have not only been able to find the magnetic field generated by ocean tides but, remarkably, they have used this new information to image the electrical nature of Earth's upper mantle 250 km below the ocean floor.

They studied a telling feature of superconductors — their interaction with magnetic fields.

Czech biologist Vlastimil Hart wanted to know if common carp can detect magnetic fields, but he just couldn't figure out how.

Induction Ready - In a nutshell, induction cooking depends on magnetic fields.

Neutron stars are most commonly found as pulsars, which produce radio, visible light, X-rays and gamma rays at various locations in their surrounding magnetic fields.

Instead of wires, a handful of magnets above the chip induced magnetic fields.

They plan to examine data from other instruments on MAVEN to see if escaping particles map to the same regions where they see reconnected magnetic fields to confirm that reconnection is contributing to Martian atmospheric loss and determine how significant it is.

Since the Martian magnetotail is formed by linking surface magnetic fields to solar wind fields, ions in the Martian upper atmosphere have a pathway to space if they flow down the magnetotail.

Spinning neutron stars are the class of stars with the most powerful magnetic fields in the universe.

«When we compared those predictions to MAVEN data on the directions of the Martian and solar wind magnetic fields, they were in very good agreement.»

Magnetic fields stretched by plasma flows, resulting in an increase in the field component along the plasma flow, can be frequently observed in space.

These include Transcranial Magnetic Stimulation and Transcranial Direct Current Stimulation, the former uses alternating magnetic fields to simulate specific brain areas while the latter aims electrical currents of power equal to a 9 - volt battery to specific brain areas.

The connection between the magnetic signature and the date can be more accurate than radiocarbon because local magnetic fields often spike, generating unique signatures that last as little as 10 years.

Using magnetic fields, the switch is reversible and very rapid.»

For a glimpse of what Earth might be like without its protective magnetic shield, we have only to look at the lifeless surfaces of worlds with anemic magnetic fields, like Mars and Venus.

Magnetic fields make the higher energy levels split into two new levels, so electrons dive from two different platforms and emit different particles of light.

It worked like the nozzle on a garden hose, except his version was invisible, regulating the flow of ions with magnetic fields.

They could also help engineers better design probes that can survive repeated passes through the strong magnetic fields near Jupiter.

Magnetoencelphalography, or MEG, is a technique that measures the tiny magnetic fields generated by brain activity.

He won't be looking for elusive infrared photons, but instead will be taking rapid - fire images of plasma loops — coils of ionized gas trapped in billowing magnetic fields — arcing off the sun and peeking out from behind the moon.

Magnetic fields generated by Earth's core leave time stamps on pottery.

The inner region sends out clock - like pulses of radiation and tsunamis of charged particles embedded in magnetic fields.

These coils generate magnetic fields that produce a warming reaction in steel and iron - based pots and pans.

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.

He cites as an example Maxwell's electromagnetic theory with its postulated electric and magnetic fields propagating in a vacuum.

God is an unseen deity that exists just as there unseen powers that exist that can really affect you like solar flares, radiation, magnetic fields.

there is actual evidence that magnetic fields applied to the rtpj can scramble the brains ability to judge outcomes.

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.

Pannenberg understands spirit as «field,» a conception somewhat like the field theory introduced in 19thcentury science, which describes the interaction of material bodies in terms of interlocking networks called forces (e.g., magnetic fields).

I'm checking my earlier post about magnetic fields and the temporal lobe, and I'd be interested to hear your thoughts.