Sterbak, Rolf Danger Made Visible A truck with a defective engine, faulty brakes, or hazardous freight can trigger an inferno in a tunnel. Siemens researchers are investigating how to use RFID technology, video analysis, and thermal imaging cameras to spot vehicles that are at risk Subjects--Topical Terms: MOLECULAR DETECTIVESTUNNEL SAFETY Universal Decimal Class. No.: H001 PIC