Scanning Waves News Today

Detect people wearing suicide vests. this is happening today at penn state down the street here in new york city. the equipment sends scanning waves to people from a distance instead of having them walk through a scanner. it sends it across the concourse, which is an interesting concept. if it identifies an explosive, the security officer can investigate. the tsa says it doesnt use anything harmful. >> were using it as a test. we want to make sure that it works and it can come to market hopefull...