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| Topic: Memristors are on the way.... | |
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From http://news.bbc.co.uk/2/hi/technology/8609885.stm
Some excerpts: Hewlett Packard outlines computer memory of the future
... Researchers at computer firm Hewlett Packard (HP) have shown off working devices built using memristors ... These tiny devices were proposed 40 years ago but only fabricated in 2008. HP says it has now shown that they can be used to crunch data, meaning they could be used to build advanced chips. That means they could begin to replace transistors - the tiny switches used to build today's chips. .... "The processor and memory could be exactly the same thing," Professor Stan Williams of HP told BBC News. ..... Researchers at the University of Michigan recently showed that the devices can mimic synaptic activity in the brain. The HP work is published in the journal Nature |
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Good post. Things move faster in private labs than the press knows.
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interesting
A memristor /ˈmɛmrɨstər/ ("memory resistor") is any of various kinds of passive two-terminal circuit elements that maintain a functional relationship between the time integrals of current and voltage. This function, called memristance, is similar to variable resistance. Specifically engineered memristors provide controllable resistance, but such devices are not commercially available. Other devices like batteries and varistors have memristance, but it does not normally dominate their behavior. The definition of the memristor is based solely on fundamental circuit variables, similarly to the resistor, capacitor, and inductor. Unlike those three elements, which are allowed in linear time-invariant or LTI system theory, memristors are nonlinear and may be described by any of a variety of time-varying functions of net charge. There is no such thing as a generic memristor. Instead, each device implements a particular function, wherein either the integral of voltage determines the integral of current, or vice versa. A linear time-invariant memristor is simply a conventional resistor.[3] -wiki lots of math in the wiki article. this is gonna take some heavy reading |
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