Of all the technology you use on a daily basis, you probably pay the least attention to the mechanical miracles that keep your home or your gym bag secure. Locks and keys have been around for ...

Padlocks are portable locking devices that we all learned about as kids to secure our school lockers, bikes, and other valuables. They come in an infinite number of configurations and are controlled ...

Keys are becoming something of a lost art. The mechanism dates back to the times of ancient Babylon and Egypt. Later metal cylindrical shaft skeleton keys were popular until they were replaced by the ...