BBC Science Focus

...MANNEQUINS AND NUCLEAR WARFARE?

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1.

In 1953, the US Federal Civil Defense Administra­tion (FCDA) built two houses in the Nevada desert. The families living there were actually mannequins donated by American department stores.

2.

This was part of ‘Operation Doorstep’ – a test to see what the effects of a nuclear strike would be on a typical suburban home. The houses were placed 1km and 2.5km from ‘ground zero’.

3.

The 15-kiloton atomic bomb was detonated from the top of a 90m tower to replicate an airburst explosion, similar to the bomb dropped on Hiroshima eight years earlier.

4.

Damage to the mannequins showed that any abovegroun­d occupants in either house would have been killed. But surprising­ly, those mannequins sheltering in the basements were protected from the initial blast.

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