Image of the lock mechanism in the lid of an early 19th century guild chest. Using X-Ray computated ...More tomography and 3-D modeling, researchers were able to open the lock. From the research ...

The Origin of the Lock. The earliest known locking mechanisms were discovered by archaeologists in the mid-19th century at the Palace of Khorsabad in modern day Iraq. The rudimentary key and lock ...

Thus, if lock owners went to unlock a chest, or a vault, or a front door, and found that their key didn’t work, they would know that someone had tried to get in—and that they had failed.

The 1,600-year-old lock was unburied from a field in Petershagen-Frille and ... from military service brought back a small wooden chest affixed with the lock. ... a chain and a key.

So, you’ve decided the time has come to upgrade the first layer of your home’s security—the deadbolt lock on your door—to a smart model. The next step is to decide if you should replace ...