Wi-Fi Can Decode Hidden Words Concealed Behind Walls

Wi-Fi signals can do much more than deliver streaming movies and music around the home, it turns out: they can also be used to identify shapes through solid walls, as demonstrated in recent experiments.

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California , United States , Yasamin Mostofi , Anurag Pallaprolu , Santa Barbara , Mostofi Lab , University Of California Santa Barbara , National Conference On Radar , California Santa Barbara , Geometrical Theory ,