From the BBC:A camera that can "see" explosives, drugs and weapons hidden under clothing from 25 meters has been invented.
The ThruVision system could be deployed at airports, railway stations or other public spaces.
It is based on so-called "terahertz," or T-ray, technology, normally used by astronomers to study dying stars. Although it is able to see through clothes it does not reveal "body detail" or subject people to "harmful radiation," according to the designers.
"It is totally and utterly passive. It receives only," said a spokesperson for Thruvision.
The portable camera, which has already been sold to the Dubai Mercantile Exchange and Canary Wharf in London, will be shown off at the Home Office scientific development branch's annual exhibition later this week.
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