Sandia's self-guided bullet path
Sandia researchers have invented a dart-like, self-guided bullet for small-caliber, smooth-bore firearms that could hit laser-designated targets at distances of more than a mile (about 2,000 meters). The four-inch-long bullet has actuators that steer tiny fins that guide it to its target.
A tiny light-emitting diode, or LED, attached to a bullet shows a bright path during a nighttime field test that proved the battery and electronics could survive the bullet’s launch. (Photo by Scott Rose)