TSA announces new airport bomb detectors
The busiest U.S. airports – about 40 of them – will have bomb-detection equipment known as “puffer machines” installed by spring, the Transportation Security Administration said Monday. There are now 24 airports with the walkthrough machines, which puff air onto a person to dislodge tiny particles from skin and clothing. The machine sucks up the particles and then analyzes them for traces of explosives. Full Story