however there are a variety of plastics etc that are very difficult to detect using x-rays. From what I understand (and I could be wrong) the reliability (both false positives and false negatives) is not fairly high. Much lower than a trained dog.
On Thu, Dec 31, 2009 at 2:42 PM, Bruce Sorge <sor...@gmail.com> wrote: > > No no no, not to detect the presence of explosive by odor, chemical > composition and so on. With an x-ray they would have seen the stuff > strapped to his leg or inside his underwear or wherever it was. That is > what I am talking about. And the x-ray machine can have a chemical > detector in it as well. Chemical detectors are already being used. When > coming from Iraq on R&R, I had my assault pack which while in Iraq was > used to carry extra ammunition. So of course they detectors went off and > I had to have my bag rubbed down with the little cloths, which turned up > positive for gun powder. It did not take long for me to explain it > though so it was not really an inconvenience for me. Shows that > something in place was actually working. > > Larry C. Lyons wrote: >> PETN and other explosives are very difficult to pickup using a wand. I >> suspect that they'd be quite difficult to detect with x-rays as well. >> The only reliable detector I know of is a trained explosives sniffing >> dog. >> > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Want to reach the ColdFusion community with something they want? Let them know on the House of Fusion mailing lists Archive: http://www.houseoffusion.com/groups/cf-community/message.cfm/messageid:309886 Subscription: http://www.houseoffusion.com/groups/cf-community/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.5
