And they can have a two stage process (metal detector and xray) that would solve... | Hacker News

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mahyarm on March 7, 2012 | parent | context | favorite | on: $1B of TSA Nude Body Scanners Made Worthless By Bl...

And they can have a two stage process (metal detector and xray) that would solve this problem too.

lignuist on March 7, 2012 [–]

Not all weapons are made of metal.

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