A camera capable of detecting drugs, explosives or weapons hidden under people's clothes from up to 25 metres away has been developed in what could be a breakthrough for the security industry.The T5000 camera uses what it calls "passive imaging technology" to identify objects by the natural electromagnetic rays - known as Terahertz or T-rays - that they emit.
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http://www.itpro.co.uk/security/news/176037/camera-that-sees-through-clothes-developed.html
