… hopefully won’t end up in the hands of a pervert. Actually it’s not like that:
The ThruVision system is able to “see through clothing” but not to make out any body parts. What it does though is detect explosives, drugs and weapons hidden underneath clothes.
Unlike X-ray security systems, the ThruVision exploits terahertz, or T-rays-
This electromagnetic radiation is a form of low level energy emitted by all people and objects.
These are able to pass through clothing, paper, ceramics and wood but are blocked by metal and water.
The system works by collecting these waves and processing them to form an image which can reveal concealed objects.