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smkt025 smkt025
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11 years ago
'Faraday cages cannot block static and slowly varying magnetic fields, such as Earth's magnetic field (a compass will still work inside).' Can you explain why this occurs?
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Wikipedia (Faraday cages)
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wrote...
11 years ago
Because a Faraday cage blocks electromagnetic waves.That is waves that oscillate.Geo-magnetic waves don't oscillate(at least not at a frequency high enough to matter since their blocking depends on induction.
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