This video breaks down the physics behind how firearm suppressors work, explaining that they reduce sound by slowing the expansion of high-pressure gases exiting the barrel. Using the Ideal Gas Law (PV=nRT), suppressors increase volume and decrease temperature of these gases through internal baffles and chambers, thereby lowering the pressure before they reach the atmosphere. The analogy of a balloon is used to illustrate how controlled gas release is quieter than rapid expansion.
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