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 ...

A clever mechanical clutching/flywheel mechanism gets more energy out of train track vibrations than conventional piezoelectric approaches. Most transducers designed to harvest vibrational energy ...

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 ...