TSA Demonstrates New Imaging Technology At Reagan National Airport

ARLINGTON, VA – DECEMBER 30: Images produced by a “millimeter wave” scanner are displayed during a demonstration at the Transportation Security Administration’s Systems Integration Facility at Ronald Reagan National Airport December 30, 2009 in Arlington, Virginia. “Millimeter wave” passes electromagnetic waves over the body to create three-dimensional images that look like a photo negative. (Photo by Chip Somodevilla/Getty Images)