No matter how far down the 3D printing rabbit hole we descend, chances are pretty good that most of us won’t ever need to move filament from one spool to another. But even so, you’ve got to respect ...

Long ago, before servo motors and linear actuators were common, clever mechanical devices were what engineers used to produce the needed motion for their processes. The CNC-cut Geneva Drive may not be ...

In the 17th century, security was often a matter of mechanical ingenuity rather than the kinds of technology we rely on today such as cameras and alarm systems. If you wanted to keep someone out, you ...