Background: According to standard physics we cannot travel to the stars in a human lifetime because we need impractical amounts of fuel to get close to light speed. However, a new theory of inertia ...

Brushless motor technology has been around for what seems like forever. Interestingly, the motor technology itself is simpler than the brush type, has better torque properties and is more efficient.

The case of a pulsating-load testing machine shows how to ballpark qualities that are important for deploying electric motors. Crankshafts in running internal-combustion engines pulsate as well as ...