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Through which materials does magnetism pass?
Question Date: 2015-05-12
Answer 1:

I think you are asking which materials a magnetic field can penetrate. If this is your question, then the answer is almost all of them. The exception is superconductor materials, which can block weak magnetic fields. This is called the Meissner Effect. If the magnetic field is strong enough, however, it can break the ability of the superconductor to superconduct. This is why I say that they can block only relatively weak magnetic fields.

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