Combination locks may seem secure, but they're not foolproof. Despite their popularity, they're vulnerable to a technique called "lock manipulation," where skilled individuals can determine the ...

I've used a combination padlock for years, but never really understood how it worked until I made this video. The combination ...

Imgur user [Criand] has been hard at work on his own project made entirely out of paper, a combination lock that can hold a secret message (reddit post). The motivation for the project was as a ...

Here’s a really fascinating circuit that implements a combination lock using relays and logic gates. Even with the schematic and written explanation of how it works we’re still left somewhat ...

Lionel Messi's locker could be yours. If you have $350,000. Find out more about the Nou Camp sale that ends this month.