Physics of Hard Drives Wins NobelFirst Faved : Oct 09 2007 by misaacsFaved : 1 time with noteViewed : 1 timeFave It!
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- misaacs - Oct 09 2007 | physics, technology, Nobel Prize, science, research
Quoted: The two scientists discovered a phenomenon called giant magnetoresistance. In this effect, very weak changes in magnetism generate larger changes in electrical resistance. This is how information stored magnetically on a hard disk can be converted to electrical signals that the computer reads.
Smaller disks mean fainter magnetic signals, so the ability to detect them is key to shrinking hard disks.
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