of tsa will test whole body scanners that can see through clothes

Millimeter Wave Whole Body Imaging

The Transportation Security Administration (TSA) will begin testing millimeter wave passenger imaging technology at Phoenix Sky Harbor Airport (PHX) as a voluntary alternative to a pat-down during secondary screening. In a matter of seconds, this technology can detect weapons, explosives and other threat items concealed under layers of clothing without physical contact.

Update: Read more at USA Today (10 airports install body scanners).