Smart bullet
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Smart bullet is a term that has been used to describe several theoretical and prototype bullets.
One smart bullet is one that is capable of turning in its flight. It can turn right, left, up, down, or in combinations of these. The effect is similar to a curveball pitch. Soldiers can stay behind protective cover and shoot around corners, so smart bullets help to protect soldiers using them. The secret is the muscle wire (flexinol) inside the bullet. The wire shortens or lengthens, causing the bullet to bend.
Another smart bullet is one that can transmit data about the location into which it has been fired. A prototype has been created by researchers at the University of Florida in Gainesville, Florida, USA.
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