A linear-drive system can be added to an existing drive with only a simple belt-and-pulley assembly. The Amacoil/Uhing linear-motion assembly from Amacoil Inc., Aston, Pa. (www.amacoil.com), links to ...

In this article we describe how MEMS inertial sensors, e.g., gyroscopes and accelerometers, can help someone or something to overcome spatial disorientation. We explain how external forces and ...