Self-Guided Bullet image

[MNeagle]

In this undated photo provided by Sandia National Laboratories, a time exposure, a light-emitting diode, or LED, attached to a self-guided bullet at Sandia National Laboratories shows a bright path during a nighttime field test. The New Mexico-based Sandia National Laboratories announced Tuesday Jan. 31, 2012 that its engineers have invented a bullet that directs itself to a target like a tiny guided missile and can hit a target more than a mile away. According to Sandia Labs engineers, the bullet twists and turns to guide itself toward a laser-directed point. Officials say it can make up to thirty corrections per second while in the air. (AP Photo/Sandia National Laboratories)

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