Overheard: Word of the Day

Jun 24 2009   12:46AM GMT

Overheard: Memristor is the missing link of integrated circuitry

Margaret Rouse Margaret Rouse Profile: Margaret Rouse

Electronic theorists have been using the wrong pair of variables all these years–voltage and charge. The missing part of electronic theory was that the fundamental pair of variables is flux and charge.Leon Chua as quoted in ‘Missing link’ memristor created: Rewrite the textbooks?

A memristor can be thought of as a resistor that changes its resistance depending on the amount of current that’s sent through it — and the big deal is that it retains its resistance even after the power is turned off.  Memristors are in the news again because engineers at the National Institute of Standards and Technology (NIST) have developed flexible memristor-like electronic memory chips.  It could be big news for consumer electronics because it opens up the possibility that memory chips can be printed just as simply and inexpensively as overhead transparencies.

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