1 Hour time lapse of a 160 GB HDD with HDD Regenerator

This show the time lapse of a modified HDD in used with HDD Regenerator to find bad sector and fix it if it able to. You can seek through the video to see the arm move a little bit closer to the center. Fascinating, right?
The capacity is 160GB and processed 40 at the end of the video.
Sorry for the video's quality is bad.