Hard Drive Capacity to Increase 100 Fold

IBM have announced that after 5 years they have been able to reduce the number of atoms required to create a bit of data from about one million to 12.

This breakthrough will allow hard drive manufactures to produce much bigger capacity hard drives 100 to 150TB compared with 1TB

Today, hard drives use ferromagnetic materials where the spin of atoms are aligned or in the same direction but IBM used a form of magnetism called antiferromagnetism, where atoms spin in opposite directions, allowing scientists to create an experimental atomic-scale magnet memory that is at least 100 times denser than today’s hard disk drives.

More details are available at ComputerWorld.

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