Video: MIT's X-Ray Vision System Can See Straight Through Concrete Walls

PopSci.com reports that a team of researchers at MIT’s Lincoln Lab have created a radar array that provides a realtime picture of what’s happening on the other side of solid concrete walls, even when they’re eight inches thick and 60 feet away. That’s no simple feat. More than 99 percent of radar signal is lost passing through the wall–and another 99 percent is lost as the reflected signal passes back through. But by leveraging signal amplifiers, a clever filtering technique, and some powerful digital processing, the new radar system is able to produce what basically amounts to a realtime video of movements on the other side of a solid wall at 10.8 frames per second.

You can read more and see the video at http://www.popsci.com/technology/article/2011-10/video-mits-x-ray-vision-system-can-see-straight-through-concrete-walls

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