Ballistics (gr. βάλλειν ('ba'llein'), "throw")'s the science of mechanics that deals with the flight, behavior, and effects of projectiles, especially bullets, gravity bombs, rockets, or the like; the science or art of designing and accelerating projectiles so as to achieve a desired performance. A ballistic body's a body which's free to move, behave, and be modified in appearance, contour, or texture by ambient conditions, substances, or forces, as by the p… (More on Ballistics)