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# 7: Projectiles

[ "article:topic-guide", "authorname:tatumj", "Projectiles" ]

Thumbnail: A photo of a Smith & Wesson firing, taken with an air-gap flash. The photo was taken in a darkened room, with camera's shutter open and the flash was triggered by the sound of the shot using a microphone. Image used with permission (CC BY-SA 3.0; Niels Noordhoek).