ScienceThrough-wall radarsTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceRob Cameron, Pardubice12/18/2015December 18, 2015Radars that see through walls can be useful in hostage situations and in the fight against human trafficking. We have a special report from a company specializing in such a device in the Czech Republic.https://p.dw.com/p/1HPvQAdvertisement