Opinion, arguments & analyses from the editors of Scientific American

Cameras Faster Than a Speeding Bullet [Video]


9mm being fired underwater (Credit: TheSlowMoGuys)

Tough luck, Superman: Being faster than a speeding bullet isn’t such a big deal anymore. A couple of Youtubers who go by TheSlowMoGuys have slowed the progress of bullets to a crawl. To be specific, they posted a video showing high-speed footage of guns being fired under water.

Using a camera that shoots up to 27,000 frames per second, the pair fired both a revolver and a 9mm and captured each amazing centimeter of cavitation, which is when an object or force creates cavities or bubbles. In the videos, hot gas bloomed from the muzzles and pulsated as the bullets cut a tunnel through the water.

This was a departure for TheSlowMoGuys, whose videos tend toward slow motion destruction. They needed some help capturing bullets under water. Fellow Youtube slow motion and science enthusiast SmarterEveryDay lent them a periscope-like contraption that he made for filming his AK-47 being fired in the pool.

The views expressed are those of the author and are not necessarily those of Scientific American.

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