National Geographic: New Scientific Discoveries Series - Bullet Research
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After two hundred years of scientific research, bullets have transformed from a simple shot put into high-performance ammunition. New scientific discoveries will introduce the science of bullets and how bullets have evolved into today's ammunition through technological advancements. http://xor.tw/4zji6
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After two hundred years of scientific research, bullets have transformed from a simple shot put into high-performance ammunition. New scientific discoveries will introduce the science of bullets and how bullets have evolved into today's ammunition through technological advancements. http://xor.tw/4zji6