Locks are the main line of defense that most people use to protect
their valuables. Here's a roundup of the HowStuffWorks articles that
discuss different types of locks:
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How Lock Picking Works Lock picking allows people to open locks with only a few tools. Learn how to pick a lock, how pin and tumbler locks work, and about types of keys, re-keying and master keys. Then test your skills with our Lock Picking Quiz! |
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How Combination Locks Work Combination locks use wheel packs to set the combination inside the lock, a design that has stayed the same for the past 100 years. Learn about combination locks and see pictures of the inside of a combination lock. |
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Inside a Combination Lock If you have used a combination lock before, you know the drill: "Turn the dial clockwise two full rotations to the first number of the combination. Then turn it counter-clockwise past the first number to the second number. Then turn the dial clockwise to the third number and the lock will open." But what's happening when you do that? |
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How Safecracking Works In the movies, master thieves and spies can deftly defeat a safe in a matter of seconds using little more than steady hands and a good ear. Safecracking isn't really that easy of course, but expert safecrackers really can get through just about any lock mechanism. It's a matter of having the right tools, the right skills and plenty of patience. |
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How Fingerprint Scanners Work In this article, we'll examine the secrets behind this exciting development in law enforcement and identity security. We'll also see how fingerprint scanner security systems stack up to conventional password and identity card systems, and find out how they can fail. |
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