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Thursday, October 6, 2011

Guns Firing Under Water - a Lesson in Energy Efficiency

Check out high-speed cameras catching two guns firing under water - a conventional revolver, and a semi-automatic pistol. Watch the waste of energy in the revolver, shown by a burst of gases coming out in the rear of the gun. The semiautomatic has much less energy loss in the gases that escape prior to the barrel. Also check out the complicated turbulent patterns in the water.

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