Sandia guided bullet
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.

Read more at share.sandia.gov/news/resources/news_releases/bullet/
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