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Wi’Fi signals used to see through walls

Telegraph [UK], by Claudine Beaumont Posted By: Photoonist- Sat, 03 Oct 2009 01:30:41 GMT Scientists at the University of Utah in the United States have found a way to harness Wi'Fi signals to 'see' through solid walls. The researchers say that the variation of radio signals in a wireless network can reveal the movements of people behind closed doors or even a wall. (Snip) At this stage, it is not sophisticated enough to generate an actual image of what lies beyond the wall, but the research team is confident

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