A woman going through TSA
Here's What The Airport Body Scanners Really See
By Leslie Veliz


If you've ever traveled by plane, you know that a full-body scanner is mandatory to ensure you don't have weapons, explosives, or contraband. The experience only lasts seconds.
TSA sees the shape of a person on their screen, and if something sets off the scanner, the screen will light up and pinpoint the area on your body where the trigger comes from.
Full-body scanners use millimeter wave imaging, which uses electromagnetic radiation. Scanners that utilize this can identify if someone is hiding something in their clothing.