If the scanners, in the article linked to below, are used in the U.S. there will be a groundswell of opposition.
Imagine being “exposed” as in the illustration shown here.
Security screening at airports and railway stations could be streamlined using a new high-frequency radio scanner that automatically spots concealed weapons.
The scanner can detect metal objects very well but identifying ceramic knives is much more difficult.
The British used similar scanners at London’s Heathrow airport several months ago. During that test, passengers were given the choice of submitting to the scan or a personal body search.