Don't make computers seek out data. Make the data move to where it can be used.
That, roughly, is one way to describe the racetrack memory concept, which IBM argues could one day lead to memory that could hold 100 times more data than flash memory does today and cost 100 times less. So that 2GB card you bought for $20 this week would hold 200GB, or more than a lot of notebook hard drives, and cost 20 cents.
In racetrack memory, information is stored in the domain walls, or boundaries, between magnetic regions on a wire. The domain … Read more