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pecosbob

(7,910 posts)
9. A bag made to prevent your phone or other electronic device from being tracked.
Sun Apr 20, 2025, 07:19 PM
Apr 20
A Faraday cage or Faraday shield is an enclosure used to block some electromagnetic fields. A Faraday shield may be formed by a continuous covering of conductive material, or in the case of a Faraday cage, by a mesh of such materials. Faraday cages are named after scientist Michael Faraday, who first constructed one in 1836.
-wikipedia

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