Unlock a Door with a Door Knob That Has a Hole

This is an easy step by step tutorial how to lock your jewels in a hotel room or in a public safe. Be aware that in a public safe it is more secure to use the second method of locking by a magnetic card, not by a PIN code that can be easily seen by someone nearby. Video: . Ste ...more

Toothpicks can be surprisingly handy when it comes to woodworking and fixing small household problems like stripped screw holes and scratched furniture. They can also be used as a quick fix for a hard-to-close door that has to be forced or slammed shut. Most of the time, a st ...more

One of the biggest problems in data security is authentication of data and its source. How can Alice be certain that the executable in her inbox is from the venerable Bob, and not from the not-so-venerable Oscar? Clearly Alice wants to know because if this file is actually sen ...more

The best part about April Fool's Day is that everyone is fair game. Even big tech companies like Google and Twitter get in on the action every year. It encourages even the most uptight, unfunny party-poopers among us to have a little fun driving each other crazy with pranks — ...more

PUT THE PHONE DOWN!!! Don't call the locksmith just yet! Watch this video and l will save you at least $100.00 How to repair a door lock. How to fix a sticking door lock. Lets face it, there's nothing more annoying than not being able to insert your key or remove your key fro ...more

Keys are on the way out. They're clunky, take up precious space, and slow you down when you have tons of identical-looking gold ones on your keyring. Everything we can open with keys can now also be opened with wireless technology in just a click—so why use keys anymore? Sure, ...more

At the recent DefCon conference in Las Vegas, researchers opened many of the top commercially available gun safes with simple tools like a straw or a paper clip, and in one case, just by shaking it a bit. The investigation began after the researchers, Toby Bluzmanis, Marc Tobi ...more

This design is super simple and is the easiest invisible door that I've ever seen. Unlike designs that use horizontal pistons, the redstone here is completely hidden underground, and the door itself doesn't create an unsightly dip or gap in the wall. Here's what the mechanism ...more

Locked out? Quit climbing through the windows or calling your ex to let you in. Get serious. Howcast says, do it yourself. This lock pick trick is elementary. I do it on my office door daily. It's a quick shimmy and flick of the wrist. Almost easier than finding my keys. Just ...more