tag:blogger.com,1999:blog-16750015.post116016128924416662..comments2008-01-14T11:30:47.150-05:00Christopher Soghoianhttp://www.blogger.com/profile/08950937382104783909noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-16750015.post-9737308500007034682008-01-13T21:14:00.000-05:002008-01-13T21:14:00.000-05:00The "air puff" machines basically analyze the chemical composition of the dust that's on your body, in order to detect traces of explosives. The air puffs are used to get dust off your body.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-16750015.post-1164916260449552262006-11-30T14:51:00.000-05:002006-11-30T14:51:00.000-05:00Do you have any information on the Smith/GE machines? I have not has the experience yet of traveling through one of these things but have seen them a few times. What exactly do they do?Derek Alfonsohttp://www.blogger.com/profile/13742227604757520851noreply@blogger.com