Discover the fascinating world of science experiments with our step-by-step guide on how to make a DC motor using 12 screws. Perfect for a school project, this video demonstrates the principles behind ...

Edison was right; direct current is better than alternating current. Tesla and Westinghouse won the current wars, because it was easy to transform into different voltages without electronics, and they ...

This unit was designed for the Expo Reliant drill. The controller can power other small PCB drills, as well as other devices containing small 12 Volt DC motors, although some changes to component ...

It seems ridiculous, but even electric vehicles, plug-in hybrids, and hybrids that carry big powerful high-voltage batteries also require a 12-volt battery. And certain usage patterns can end up ...