The story

A new type of walk-through security machine will debut at several U.S. airports in the coming days as the Transportation Security Administration tries out the latest in body scanning technology.

It's called "millimeter-wave passenger imaging technology," and it produces a more detailed picture than the metal detectors in use now at airports to screen for weapons and explosives..

Because it produces such a detailed image, however, technology and privacy experts at the American Civil Liberties Union are not satisfied that the new technology meets privacy standards. Read full article »

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