Military Sensor Hears Through Walls

DARPA expects the portable Radar Scope, which can sense someone in a room through 12 inches of concrete, to look similar to this model and to be fielded as soon as this spring to help patrols conducting urban operations to sense if someone is inside a building.
(Image credit: American Forces Press Service)

A new handheld radar scope from the Defense Advanced Research Projects Agency (DARPA) can provide troops with an ability that was formerly the province of science fictional superheroes alone—the ability to sense through up to 12 inches of concrete whether someone is in the next room.

The Radar Scope is expected to be in use in Iraq by spring of this year, according to DARPA's Edward Baranoski. Weighing just 1.5 pounds, the device is about the size of a telephone handset and will cost about $1,000. Waterproof and rugged, it runs on AA batteries. Held up to a wall, users will be able to sense movements as small as breathing up to fifty feet into the next room.

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Bill Christensen catalogues the inventions, technology and ideas of science fiction writers at his website, Technovelgy. He is a contributor to Live Science.