Ever seen a lock with a round key and thought what wizardry it is? That’s a tubular lock, although some folks call it an Ace, ...

3D printers may have failed as a home appliance, but researchers at the Hasso-Plattner-Institut aren’t ready to give up on them just yet. Last year they successfully 3D-printed a working door handle ...

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 ...