Seeing Through Walls With a Wireless Router

The scariest thing about this article? Almost everyone has a wireless router in our house somewhere. Thanks to [H] forum member Ocean for the link.

In the 1930s, U.S. Navy researchers stumbled upon the concept of radar when they noticed that a plane flying past a radio tower reflected radio waves. Scientists have now applied that same principle to make the first device that tracks existing Wi-Fi signals to spy on people through walls.

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