CBS News this morning DHS and TSA testing Non-Contact explosives detectors that sniff the air..... Oh boy, Tunnel of Truth coming.... They said TSA working at getting the etd non-contact device the size of a small suitcase (desktop size) to the size of a cell phone. IMSC has the non contact sniffers down to the size of a double A battery. Our future looks very bright. Buzzltyr....teach us what you know You too, P51 Fred1949