Good Read: How a Hard Disk is Made

r_manic

Administrator
The fact that silicon chips start life as nothing more exotic than sand is amazing enough, but have you ever thought about that other important PC component, the hard disk?

Its origins couldn't be more different. The heart of a hard disk – the rotating platter where your data is stored – is made out of an exotic mix of elements including ruthenium and platinum, two of the world's rarest and most expensive metals.
Source

So should we be selling our year-old drives? :)