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memristor

An image of a circuit with 17 memristors captured by an atomic force microscope. Each memristor is composed of two layers of titanium dioxide sandwiched between two wires. When a voltage is applied to the top wire of a memristor, the electrical resistance of the titanium dioxide layers is changed, which can be used as a method to store a bit of data.

 

Credit: R. Stanley Williams, HP Senior Fellow and Director, Information and Quantum Systems Lab, HP Labs

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Taken on October 10, 2008