How to Make Fully Functional Lock from Cardboard Today I show you how to make fully functional lock model. This lock can be ...

Archaeologists have traced the earliest lock-and-key mechanism back to ancient Mesopotamia around 4,000 BCE. Made from wood and operated with a large pin tumbler system, this innovation protected ...

The new Pro version of Nuki's lock is as small as the Ultra, but does not require a special cylinder. The Go is a Matter model for little money. A few months after the launch of its Smart Lock Ultra ...

Seren is attempting to get into her house but is having some difficulty as her key won’t fit in the lock. In anger, she questions what is wrong with her lock and key. Alfred, the science app, responds ...