The Xaver 800 provides 'Through-Wall Vision' to change the dynamics
of your urban operation. With the Xaver 800 you can rapidly and
reliably observe one or more people in a room and continuously monitor
their activities while positioned outside the room's walls. The
Israeli manufacturer, Camero, has raised $14 million...
http://askwiki.blogspot.com/2007/01/camera-that-sees-through-rock-solid.html
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