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Faraday cage

Faraday cage

T194/0493

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Credit

PETER MENZEL / SCIENCE PHOTO LIBRARY PETER MENZEL / SCIENCE PHOTO LIBRARY

Caption

Faraday cage. Museum worker sits in a cage which is being struck by a massive electrical discharge. The cage is designed so that no discharges will reach inside. The distance between the bars means that a discharge will always find it easier to hit a bar than pass in between to another object. The person inside is therefore protected. The discharge is created by a vast Van de Graaff generator (columns and spheres) behind the cage, with a potential difference of 2.5 million volts. Faraday cages are used to protect electrical equipment from lightning strikes. Photographed at the Franklin Institute, Philadelphia, USA.

Release details

Model release not required. Property release not required.

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