Although it sounds like something from science fiction, the scanners are up and running in Los Angeles, Baltimore, Denver, Albuquerque and JFK. Washington's Reagan National will start using them today. Scanners will be added in Dallas, Detroit, Las Vegas and Miami later this month.
These scanners are already used in some courthouses, jails and US Embassies, at border crossings, military checkpoints and some foreign airports such as Schiphol. Because they show images of people underneath their clothing, the scanners can pick out plastic and ceramic weapons and explosives that metal detectors can't detect. The scanners could eventually replace metal detectors at airports all around the country.
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