Booby-traps (image) U.S. Army Research Laboratory Share Print E-Mail Caption Scientists show how identification of hidden booby-traps and trip wires using conventional and polarimetric thermal cameras. Thermal polarimetric image allows for finer details to emerge. Credit (US Army Photo) Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.