How does airport security spot contraband in baggage X-Rays?
Airport security officers need to be extremely careful and have a sharp vision in order to spot banned objects among clothing, shoes, books, and souvenirs. And how do they recognize these items?
The list of things cannot be taken aboard an aircraft is long and includes mostly sharp and flammable items, and obviously dangerous items such as firearms and explosives. The x-ray machines used in airports are much like the ones in hospitals, but combined with computer programs that color objects according to their density.
Roberto Sergnese, president of Simulscan, an Italian company that offers training in computer-based x-ray screening, told Wired that the check for contraband starts by answering three questions: “What are you looking for?