July 28, 2011
Washington Post |  Those blurry but revealing airport body scanner images that caused a public uproar last year are being replaced by a gray, cookie-cutter image of the human form.

After six months of testing at three airports, including Reagan National, the Transportation Security Administration said Wednesday that the new software would be installed on 241 units at 41 airports that use millimeter wave technology.

Software for an equal number of units that use backscatter technology is still being developed, the TSA said. Both work by bouncing X-rays or radio waves off skin or concealed objects.

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