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electromagnetism
(redirected from electromagnetic)

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electromagnetism

In physics, the properties and interactions of magnetism and electric currents. A current flowing through a conductor produces a magnetic field around the conductor; a varying magnetic field interacting with a conductor produces a current in the conductor. This is known as the electromagnetic effect.



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In recent studies, several teams have proposed rigid shells or walls--invisibility shields--that would interact with electromagnetic radiation in new ways.
UHF tags, however, are subject to multipath interference(*2), an inherent problem of electromagnetic signals, which can make an RFID tag unreadable even if it is within the range of the reader.
Tokyo, Japan, Oct 3, 2005 - (JCNN) - Construction company Taisei has developed an advanced electromagnetic shielding technology that is applied to not only parts and components but also the entire living space at low cost.
 
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