Existing and Potential Standoff Explosives Detection by National Research Council, Division on Earth and Life

By National Research Council, Division on Earth and Life Studies, Board on Chemical Sciences and Technology, Committee on the Review of Existing and Potential Standoff Explosives Detection Techniques

Existing and strength Standoff Explosives Detection recommendations examines the medical thoughts presently used because the foundation for explosives detection and determines even if different ideas may possibly supply promising learn avenues with attainable pathways to new detection protocols. This document describe the features of explosives, bombs, and their elements which are or should be used to supply a signature for exploitation in detection expertise; considers clinical innovations for exploiting those features to realize explosives and explosive units; discusses the possibility of integrating such ideas into detection platforms that may have adequate sensitivity with no an unacceptable false-positive fee; and proposes parts for examine that would be anticipated to yield major advances in sensible explosives and bomb detection expertise within the close to, mid, and lengthy term.

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1% of 500,000 people attending a sporting event). 4 illustrates the impact of wide application of a detection system in a situation where the event to be detected is extremely rare. 4 Probability of no explosives given an observed alarm as a function of the probability of the presence of explosives for fixed specificity and sensitivity (both 99%). tion reduces the probability of an explosive-based event. , the detectors detect metal, but not weapons), but most passengers accept such false alarms since there are many non-weapon reasons for an alarm to go off.

Threats and threat environments can, in general, change and evolve. Thus, the identification system should be adaptable to such changes. It should be possible to expand the scope of the system gradually as new cases and problems emerge and more information becomes available. 7. Explanation facility. Besides the ability to identify the threat, the threat ID system should also be capable of providing some explanations of why a particular decision or decisions were arrived at. This requires the ability to reason about cause-and-effect relationships in the threat environment to justify its recommendations.

Threat Parameters That Characterize the Bomber A psychological profiling of individuals who carry out bombings is beyond the scope of the present study. Nevertheless, bombers may display certain characteristics that aid in their detection in some cases. A device concealed under clothing may weigh tens of pounds and thus add significantly to a person’s weight. This increase would likely be useful for detection only in specialized cases where the perpetrator must pass through a man-trap portal, the weight may cause the individual to walk in an odd manner or have some other effect that might arouse suspicion.

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