However, things work a little differently in cars, where the battery's primary job is to start the engine. Once the engine is ...

All batteries need to be charged at some point and, for most cars, it’s the alternator's job to do it. Sooner or later, every ...

Your garden variety automotive alternator is ripe for repurposing as is, but with a little modification, it can actually be used as a surprisingly powerful brushless motor. Looking to demonstrate ...