Each year, more than 100,000 Americans . And the wounds to bone and tissue caused by specially designed bullets also are getting , according to surgeons.
Not all bullets are created equal. The energy of a bullet is determined by its mass and speed, and its wounding potential hinges on its ability to transfer its energy to a target; even rounds that are similar in size, or look similar, can cause dramatically different damage.
In this latest "Let's Talk" , we examine fourof the most common bullets in America. We explain the physics behind their differences in design, and show why the destruction caused by one round in an AR-15-style weapon can be so much greater than a typical bullet used in target practice or hunting.
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