Albert Fert and Peter Gruenberg, for the discovery of giant magnetoresistance. This is one of those prizes that’s pretty well-deserved, because giant magnetoresistance is now applied for data readout on pretty much every magnetic hard drive being produced, such as those in one’s iPod. It’s not really my field of study, but let me take a stab at explaining what giant magnetoresistance is. I’ll do that by first discussing the application: reading and writing to computer/iPod hard drives. Odds are I’m going to screw up the field directions in all the pictures, but hopefully the arguments will be sound…
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The author of Skulls in the Stars is a professor of physics, specializing in optical science, at UNC Charlotte. The blog covers topics in physics and optics, the history of science, classic pulp fantasy and horror fiction, and the surprising intersections between these areas. Archives
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