Ordinary cheap computer hard drives do not work reliably above 10,000ft in altitude, because they require a cushion of dense air for the magnetic head to float on. Without that air density, the head will scratch the disk. People who live above 10,000ft must buy special hard drives.

Interesting hard drive facts you probably didn’t know Everybody has one, but nobody gives it much thought – the hard disk drive. It’s just another device, another component on their computer system. But those who care, here are some facts to ponder upon. The hard drive head never touches the disk platter You probably know …

Ordinary cheap computer hard drives do not work reliably above 10,000ft in altitude, because they require a cushion of dense air for the magnetic head to float on. Without that air density, the head will scratch the disk. People who live above 10,000ft must buy special hard drives. Read More »