Ariz. airport to test X-ray screening at security checks

PHOENIX - Sky Harbor International Airport here will test a newfederal screening system that takes X-rays of passenger's bodies todetect concealed explosives and other weapons.

The technology, called backscatter, has been around for severalyears but has not been widely used in the U.S. as an anti-terrorismtool because of privacy concerns.

The Transportation Security Administration said it has found a wayto refine the machine's images so that the normally graphic picturescan be blurred in certain areas while still being effective indetecting bombs and other threats.

The agency is expected to provide more information about thetechnology later this month but said …