AC induction motors are everywhere, from ceiling fans to vehicles. They’re reliable, simple, and rugged — but there are some disadvantages. It’s difficult to control the speed ...

Discover how to make a DIY hand-powered mobile phone charger using simple materials such as two small DC motors and a piece of cardboard. This step-by-step tutorial covers mounting the motors, wiring ...

Guam Community College received $2.2 million in federal funds to install additional solar panels and batteries at its Mangilao campus. With the additional solar panels, GCC’s solar electric production ...

The electric vehicle revolution has created market forces to drive all sorts of innovations. Battery technology has ...