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magnetic fields

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magnetic fields,
n.pl the spaces in which magnetic forces are detectable; created by magnetostrictive ultrasonic scalers to cause the tips of instruments such as ultrasonic scalers to vibrate.


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The researchers say that their discovery can be applied to medical purposes, such as magnetoencephalographic or magnetocardiographic techniques that are used to measure the magnetic fields created by the brain or the heart, which in order to function properly need to shield out all other existing magnetic fields.
The attraction and repulsion between these two magnetic fields causes the rotor to turn.
But according to the World Health Organisation, the evidence that humans are affected by low-level magnetic fields is weak to non-existent.
 
 
 
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