Typically, when most of us need a motor, we jump online to order one from a catalogue. [Levi Janssen] recently had to build his own for a college project, however, and learned a lot along the way.

RC hovercrafts offer all sorts of design options which make them interesting projects to explore. There are dual-motor ones where one motor provides lift while the other does the thrust. For steering, ...

If you're going to 3D-print rocket parts, you'd want to make them out of metal to handle the stress, right? Not necessarily. MIT has successfully test-fired what it believes is the first completely 3D ...

A soldier from the Idaho Army National Guard fires a Javelin anti-tank missile. Colorado-based propulsion firm Ursa Major hopes its new method of 3D printing solid rocket motor cases could one day ...