Sentences with phrase «iron bar magnets»
Magnetic order is a common phenomenon in three - dimensional materials, such as ferromagnetic order in iron bar magnets, where the magnetic moments on all iron atoms point in the same direction.
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It is as if a bar of iron, without touch or sight, with no representative faculty whatever, might nevertheless be strongly endowed with an inner capacity for magnetic feeling; and as if, through the various arousals of its magnetism by magnets coming and going in its neighborhood, it might be consciously determined to different attitudes and tendencies.
In a magnetic material, such as iron, each atom acts like a tiny bar magnet with its own north and south poles.
In the magnetic vortices — the skyrmions — the «atomic bar magnets» of the iron atoms spin around (orange and green arrows) and have an opposite orientation in their centres (blue arrows).
The Sun has a magnetic field that, at first glance, might remind us of the middle - school experiment where you sprinkle iron filings over a bar magnet to get a butterfly shape.