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Tag Archives: terahertz

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Transparent society redux: Camera ‘sees’ through clothing

March 10, 2008 Tomas Martin

Who needs to look at clothing anyway?In fortuitous timing to fit in with Paul’s story earlier today on David Brin’s ‘Transparent Society’, it emerges there may be a new technology that may take that definition a little too literally. BBC News reports that ‘ThruVision’, a camera utilising terahertz rays to ‘see’ concealed objects. Normal security cameras use X-rays to probe a person but as everything emits different levels of terahertz rays normally, the system is passive, simply observing the body’s glow.

“If I were to look at you in terahertz you would appear to glow like a light bulb and different objects glow less brightly or more brightly,” said the firm’s spokesperson. “You see a silhouette of the form but you don’t see surface anatomical effects. In addition, the system does not involve any of the “harmful radiation associated with traditional X-ray security screening.”

[story and image via BBC News]

securitysurveillanceterahertz

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