'Colossal' Magnetic Effect Under Pressure

(PhysOrg.com) -- Millions of people today carry around pocket-sized music players capable of holding thousands of songs, thanks to the discovery 20 years ago of a phenomenon known as the `giant magnetoresistance effect,` which made it possible to pack more data onto smaller and smaller hard drives. Now scientists are on the trail of another phenomenon, called the `colossal magnetoresistance effect` (CMR) which is up to a thousand times more powerful and could trigger another revolution in computing technology.

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