On November 8th, Western Digital held an editor"s day event that included surprisingly in-depth details about the inner workings of hard drives. In his article, "Hard Drives: Under the Hood," Loyd Case over at ExtremeTech provides us with a good primer on this often overlooked, yet essential, piece of technology. Loyd describes the nanotechnology behind the hard drive, what a disassembled hard drive looks like (and how the parts work together), and finally the "heart and soul" of the hard drive: the head stack.