Thirty thousand. That's how many parts, if you break it all down into nuts and bolts, make up a typical automobile. Incredible, isn't it? Whereas the world of electronics is a miracle of scale, the mechanical world is raw material poured into geometric confetti, each sprinkle shaking hands with the other to propel us over off-road trails, around racetrack corners, and down freeways. No wonder I made it first a passion, and then a career.