[ptsal]

Walbot for the military

http://www.dailymail.co.uk/sciencetech/article-3455990/The-phone-X-RAY-VISION-149-Walabot-sensor-lets-people-peer-walls-objects-hiding-ground.html

[Bikkuri]

That is so Rainbow Six ;^)

(Tom Clancy book, for anyone that doesn’t know) :D

[Sacajaweau]

This technology is old...I remember discussing it at a job interview when I lived outside of DC.