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Jun 21, 2005

Is there a material that blocks magnetic forces?

Posted in Physics at 11:44 am by David Bradley -- Click to comment

A hit on my sciencebase article about frustrated magnets came about through a visitor searching Yahoo! for “material that blocks magnetic forces”.

Physlink provides a nice answer to the question of whether a “magnetic insulator” exists. The simple answer is no: Is there any material that can block a magnetic force?

Lead certainly doesn’t do it, and it’s all because of Maxwell’s Equation. You can of course re-route a magnetic field and supposed shielding materials exist.

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