X-ray vision? New Technology Making it a Reality for $300 Adan Posted on December 23, 2015 Posted in Aggregated No Comments Researchers developed software that uses variations in radio signals to recognize human silhouettes through walls and track their movements. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email