Detecting roadside bombs may become easier, thanks to chemical sensors under development. Chemists have created materials that sniff out TNT and give off signals that can be detected remotely — from a moving Humvee, for example.
Detecting roadside bombs may become easier, thanks to chemical sensors under development. Chemists have created materials that sniff out TNT and give off signals that can be detected remotely — from a moving Humvee, for example.