Hard Drives

[LAURENU2]

What material is the disk inside a Hard drive made of ?

[Bok]

http://en.wikipedia.org/wiki/Hard_disk_platter

perhaps ?

[ChertseyAl]

I remember when they were made of glass. A large company that I was contracting for at the time needed to 'shred' the data on some drives. No clever software needed though. They just took them apart and smashed the platters with hammers until they turned back into sand :)

Al.