Explore the mechanics of the Pin Tumbler Lock, the most common type of lock. This video covers the following topics: - Parts of a Pin Tumbler Lock (00:42) - How to insert keys (01:22) - The concept of ...

The TSA is learning a basic lesson of physical security in the age of 3-D printing: If you have sensitive keys—say, a set of master keys that can open locks you've asked millions of Americans to ...