Marc Weber Tobias and two colleagues discovered that they could create plastic keys to open Medeco’s M3 high-security locks, despite key control measures designed to thwart key duplication.

Review: How Lock Socket helps you stop losing iPhone chargers Design. With each Lock Socket, you get the plastic “lock,” two Allen head screws (different lengths), and the matching 2 mm Allen key.

Woodworkers have always been very clever about making strong and attractive joints — think of the strength of a mortise and tenon, or the artistry of a well-made dovetail. These joints have b… ...

The secret to the 3D-printed lock’s functionality is a series of plastic bistable springs which can be resting in one of two different positions—as opposed to a metal coiled spring that always ...