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The Nobel Prize in physics to the "fathers" of the hard-disk






Yesterday in Stockholm was awarded the coveted Nobel Prize for Physics. To win, the Frenchman Albert Fert and German Peter Gruenberg, honored with the title have developed a technology capable of storing large amounts of data on hard drives.

now dubbed by everyone as the "father" modern hard-disk, the two have exploited a phenomenon called "giant magnetoresistance", and found that very small magnetic changes can cause large differences in electrical resistance. The curious fact is that the two researchers worked separately, getting virtually the same results.

Therefore, a system like this is a highly appropriate to read data on hard disks when information registered magnetically must be converted into electricity.

The principle on which they were based has become (and still is) a real landmark, which has significantly reduced the size of computers, bring down the prices.