This camera can see through walls

Or the fog. Cool, eh?
The microwave camera takes an image of a mannequin behind a wood wall. (MIT Media Lab, Camera Culture Group)
Listen4:26

MIT research scientist Gregory Charvat has developed a camera that uses microwave light instead of optical light so that it can take pictures of things through opaque structures like walls, fog, rain and snow. Check out some of the demonstrations:

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