Shooting gadgets and posting a video of it to YouTube is nothing new. The below video by TAOFLEDERMAUS is quite interesting as it shows how many hard drives a bullet goes through when shot from a .44 Mag rifle. In this particular test, the bullet went through 3 hard drives:
It would be interesting to see how other rifles and bullets would perform against 21 hard drives. How many did you think the bullet was going to go through?