This Bizarre High-Security Lock Is Every Drunk Person's Nightmare

While some people are trying to reinvent the lock by eliminating keys altogether, others solutions, like the XPUZMAG from Taiwan, are going in decidedly different direction—by taking a traditional lock-and-key mechanism and just making it a thousand times more complicated. Warning to the belligerent drunk about town:… »11/11/14 10:19am11/11/14 10:19am

Hit This Magnetic Bullseye and You'll Never Misplace Your Keys Again

Are you prone to losing your keys more often than you'd like to admit? You just need to settle on a specific place to put them every time you get home. And to make this routine enjoyable enough so that it becomes a habit, trying to hit this magnetic bullseye when you get home every night sounds entertaining enough. »6/13/14 2:40pm6/13/14 2:40pm

Neat trick instantly turns happy songs into sad songs and vice versa

Here's a fun little musical experiment from The Gregory Brothers. They flipped major and minor keys in popular songs to transform previously happy songs into sad ones and turn old depressing sad songs into happy ones. It sends your brain in a tizzy when you hear the words of songs you recognize but see them in a whole… »3/26/14 11:02pm3/26/14 11:02pm

An Emergency Lightning Cable That's No Bigger Than Your House Key

The makers of the ChargeCard—that wallet-friendly credit card-sized sync cable for smartphones—are back with a new product called the ChargeKey that's instead designed to hang out on your keychain. It's almost like a stripped down version of the ChargeCard that sheds most of the plastic so it can easily sidle up next… »9/12/13 8:50am9/12/13 8:50am

How to Harness Solar Energy to Make Your Own Post-Apocalyptic Keys

We all know the world's going to end at some point, and sure, maybe it's not entirely "likely" to happen anytime soon—but better safe than sorry. So assuming you've already been working diligently on your underground, radiation-proof bunker, what's going to happen when you need extra keys made with nary a (non-zombie)… »8/26/13 2:40pm8/26/13 2:40pm

Pistol Keys Were Once the Last Line of Defense For Prison Guards

Long before prison guards started carrying tasers, tear gas, and other non-lethal deterrents, they apparently relied on these cell door keys that also functioned as tiny one-shot pistols. They probably weren't lethal, but there's no doubt they packed enough of a punch to make an inmate very uncomfortable if they… »8/22/13 5:22pm8/22/13 5:22pm