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Science | Military | Firearms

Firearms are one of the oldest and most evolved weapon systems. From flintlocks to automatic weapons and flamethrowers, learn how firearms have been used to wage wars and save lives.

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How Shotguns Work

To do its job, a projectile must both make contact with the target and hit the target in a critical spot. If a rifle is like using a felt-tip pen, a shotgun is like using a can of spray paint.


How Gun Safes Work

How Gun Safes Work

Do you know how gun safe work? Learn how gun safes work at HowStuffWorks. See more »