In response to our Hard Drive Movements post a few days ago, Joshua Marius decided to show us everything that goes on inside of a hard drive when the lid is removed. Video (bonus clip included) after the jump.
A typical hard disk drive design consists of a spindle which holds one or more flat circular disks called platters, onto which the data is recorded. The platters are made from a non-magnetic material, usually glass or aluminum, and are coated with a thin layer of magnetic material
[via Wikipedia]
Video 1
Video 2
Fun with an old hard drive. Took the platters out of many hard drives and put them into one drive. Spin it up to speed and give it a nudge, then watch the fun
[via HackedGadgets]