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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

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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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