george107789 t1_iva00ot wrote
Reply to comment by CompassionateCedar in Researchers create a Drone That Can 'See Through Walls' With Wifi | At the University of Waterloo recently fixed one up with a scanning device that is the definition of invasive. by chrisdh79
Reminds me of this TED talk. They used wifi signals to track vital signs of a person and movement through walls.
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