We can see why Popular Mechanics is so popular, at least among, you know, mechanics. We just spent about a half-hour nerding harcore on this article, which explains how a car's drive train works in more detail than Star magazine's series on Kate Hudson's "Dumbo" ears. Some people's priorities are so screwed up, don't you think?
How It Works: The Drive Train [Popular Mechanics]
Related:
How Do Toyota s Personal Mobility Vehicles Work? [internal]