Luggage screening standards prove their value
Tuesday, June 11, 2013 - 08:30
in Mathematics & Economics
Every month, between 50 and 70 million passengers travel through U.S. airports, toting more than 30 million pieces of luggage destined for aircraft cargo holds. Since 2004, federal legislation requires that every one of those checked bags – around a million a day – has to be scanned for explosives and other threats, typically using computed tomography (CT) machines similar in operation to those used in medical diagnostics but several times as long.