The rocket launcher itself is assembled out of off-the-shelf pipe and 3D printed components. An Arduino Uno runs the show, hooked up to a Bluetooth module and a laser rangefinder. The ...

Cloud storage services offer a way for your to store your files and data in a secure cloud server, helping to keep them safe from crashes, storage failures, and hackers. I've been writing about ...

A disadvantage of helical gears is that they have thrust along the axis of the gear that must be accomodated. Helical gears also have more sliding friction between the meshing teeth compared to spur ...