TSA's 3D screening test arrives at Washington Dulles
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Metal detectors to combat gold smuggling at central Japan airport
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3D body scanners at Australian airports: what are they and how do they work? | Transport | The Guardian
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The uses and advantages of airport metal detectors
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How Millimeter Wave Airport Body Scanners Work
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Covert airport scanners that detect radioactive 'dirty bombs'¿ disguised as pillars to direct queues | Daily Mail Online