This development is made possible by a new wave of technology: radio-frequency ID chips the size of pepper grains, broadband wireless and Web-based "dashboards" enabling monitoring and management.

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Using millimeter wave technology, which the TSA says emits 10, 000 times less radio frequency than a cell phone, the machine scans a traveler and a robotic image is generated that allows security personnel to detect potential threats -- and, some fear, more -- beneath a person's clothes.

CNN: Airport security bares all, or does it?