Why can a ‘master key’ open many different locks?
Each lock has only one key, but there are also "master keys" that can open multiple locks. Why is that? Are you curious about the internal structure and the operating ...
Tag: lock
The Anti-Theft Lock, Expert Took 16 Days to Pry Open
The Bramah lock is a symbol of exceptional security and is claimed to be unpickable even when it has been opened.Joseph Bramah and the challenge lock with the inscription "Any ...
Why does every lock have a small “mysterious” hole at the bottom?
When inspecting a standard padlock, you may notice a small hole at the bottom. Of course, a padlock is a security device. Its basic structure includes a lock body and ...
Just by shooting a laser beam through a keyhole, scientists can see everything in the closed room
If you are concerned about privacy, it might be time to seal up every potential entry point in your home! The ability to see everything inside a sealed room has ...
