If you've never taken a peek inside the mechanical hard drives that have been widely used for many years, now is your opportunity (at no cost). This articles gives you an in depth look at all the parts inside the modern computer hard drive and what they do.
PyroFactor: 
November 10th, 2008 at 10:06 am
I never knew what it looked like inside there and now i do, it looks like a vinly record player!