News tagged with electrical resistance

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A new and game-changing magnetoresistance

More than 150 years ago, William Thomson, later Lord Kelvin, discovered the magnetoresistive effect. Today, this finding enables sensors to measure the rotational speed of a car wheel, and is also used in compass navigation ...

dateJun 16, 2015 in General Physics
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Magnetic memories on the right track

Computer hard drives store data by writing magnetic information onto their surfaces. In the future, magnetic effects may also be used to improve active memory in computers, potentially eliminating the need to 'boot up' a ...

dateAug 27, 2014 in General Physics
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