There are a lot of physics going on when you fire a rifle under water, as Smarter Every Day experimenters discover in an incredible high-speed You Tube video.

Firing an AK47 underwater


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45 shares, 37 points

Ever wondered what happens if you fire a gun under water? SmarterEveryDay is a You Tuber who has looked at many different aspects of firearms and their different reactions in different conditions, and has used a high-speed camera to record this experiment.

The video is an exercise in physics and you’ll learn about cavitation and the Rayleigh-Plesset Equation, which is fantastic if you’re a science geek. We liked it because it’s cool to see all the things that happen when an AK47 is fired underwater.


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45 shares, 37 points

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