Tagged With locks

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Video: Guns are used to blow the locks off doors in movies and TV so often that we don't stop to think if what we're seeing is possible. (For the record, the answer is: Sometimes.) But what does it take for a lock to be totally bulletproof?

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Video: You're not going to be a master locksmith after you watch this video showing you three ways to break open a lock, but you might stop putting your faith in cheap padlocks. That's because a few bent paperclips could jimmy the thing open. Even just jamming a screwdriver into the keyhole can make it unlock. Or if you're super experimental, you can trace a key using tape and then cut out its shape on a flimsy metal can.

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Video: Locks are meant to be broken. Torches are meant to wield fire. So it makes total sense to use a torch to melt the hell out of a lock to bust it open, right? Exactly! Watch as the fire from this torch completely obliterates the lock, so much so that it just oozes open and leaves the U-shape metal totally exposed. Awesome.

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Video: It's just a pushable basket you use to store groceries and occasionally ride around the aisles on, so why do shopping trolleys cost $US100 ($131) each? Science Channel details how the shopping trolley is made with 68m of a steel cage covered in Telfon, how the bumpers can withstand 48km/h crashes and how the wheels use the same material as roller coasters. It all adds up to a lightweight trolley that can hold 160kg of stuff and survive over 35,000 shops across the span of a decade.

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Video: Here's a nice little exploded and dissected visualisation of a modern safe. For this particular model, over 500 parts are used to make up the impenetrable box with 26 hardened steel bolts keeping things shut tight. It's also fireproof to up to 650°C and has a lock with 1.2 million possible combinations.

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Video: Safes, locks and other security measures of that nature? They're all eventually doomed because they're designed to open. It's just a matter of how long it takes. With the help of rare earth magnets, it takes just seconds. Here is Mr Locksmith demonstrating how a rare earth magnet can exploit the nickel piece in this Sentry Electronic Safe to get it open without any damage.

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Video: It doesn't take much effort to bust open a Master Lock. All you need to do is apply a little bit of pressure on one end and then add a few taps at the other side in a specific spot and pop, the thing opens pretty easily. Shockingly so! In fact, you don't even really need a hammer to do this trick, the end of a screwdriver would work too. Locks don't lock anything.

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Of all the technology you use on a daily basis, you probably pay the least attention to the mechanical miracles that keep your home or your gym bag secure. Locks and keys have been around for millennia, but they are undergoing one of their rare historic shifts — from mechanical to electronic, from isolated to interconnected.