The smuggling of contraband is a threat in airport security and risks have increased in modern times with the uptick in parcel delivery, but security inspection methods have not seen any significant improvements. Researchers propose a technique for efficient detection of contraband items. Typically, airport security uses X-ray imaging to quickly scan baggage, but this suffers limitations. To address this, luggage with suspicious X-ray results undergoes supplementary screening using energy-dispersive X-ray diffraction.
https://www.sciencedaily.com/releases/2019/12/191219142737.htm
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