keys
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How A Lock Works Explained In One Perfect Cutaway Video
I’m a big fan of cutaway things, specially if they are real like this lock. It’s fascinating to see how machines and mechanisms work, with the little pins and springs moving to fit the shape of the key, leaving the barrel free to move when everything clicks.
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This Revolving Ring Keeps Your Keys And Saves Your Fingernails
Nothing Apple announced on Tuesday has as much life-changing potential as this revolving keyring does. It’s apparently based on a clever design from the late 1800s that was either lost to time, or confiscated by aliens to slow mankind’s progress. Either way, it’s back, and ready to save your fingernails every time you need to…
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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 recognise but see them…
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A Multipurpose Key That Will Unlock Your Inner MacGyver
In addition to opening doors, that set of keys in your pocket also serves as makeshift knives, prybars, and even ice scrapers. But why risk accidentally bending a key and losing access to your home when this key-sized multi-tool can do so much more?