They protect our homes, our cars, and our most valuable possessions--but did you ever wonder how keys work? Do you even know what the inside of a lock looks like? Check out the strangely mesmerizing ...

Explore the mechanics of the Pin Tumbler Lock, the most common type of lock. This video covers the following topics: - Parts of a Pin Tumbler Lock (00:42) - How to insert keys (01:22) - The concept of ...

Lock picking is defined by locksmiths as "the art of opening a lock without the key". There's many ways to accomplish this, but I'm specifically interested in using a lock pick set. Since locks vary ...

If you are smart, you wouldn’t hand your house key over to a stranger for a few minutes, right? But every time you use your key to unlock your door, you are probably broadcasting everything an ...