Every TSA airport X-ray machine has a Threat Image Projection system, which digitally inserts images of guns, knives and bombs into the X-rays of luggage, to keep screeners alert. - discu.eu

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Every TSA airport X-ray machine has a Threat Image Projection system, which digitally inserts images of guns, knives and bombs into the X-rays of luggage, to keep screeners alert. http://www.cnn.com/2008/us/01/28/tsa.bombtest/index.html 2 comments 29/1/2008 reddit.com