See-through-wall surveillance with WiFi shown at UCL | 21st Century Innovative Technologies and Developments as also discoveries, curiosity ( insolite)... | Scoop.it
From phys.org - August 3, 2012 4:55 PM
(Phys.org) -- A surveillance device that uses WiFi radio waves has been devised to see through walls to detect, in military and surveillance parlance, moving personnel targets.

 

 

 

 

 

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http://phys.org/news/2012-08-see-through-wall-surveillance-wifi-shown-ucl.html