Brussels Bombs: 'Tunnel of Truth' Scans for Explosives

A long walkway flanked by several scanning devices could passively detect for explosives without creating a passenger bottleneck.

Published On 03/22/2016
4:15 PM EDT
Shortly before 8 a.m. local time a bomb exploded in the departure terminal at Brussels Airport. | Christophe Licoppe/Photo News S.A./Corbis