Memristors Computers Articles | November 13 Wholesale Emmanuel Sanders Jersey , 2008 As words go, it's not the best crafted. Ungainly and unimaginative, 'memristor' belly-flops rather than rolls off the tongue. It is, however, usefully descriptive: anyone can see that the inelegant po...
As words go Wholesale Demaryius Thomas Jersey , it's not the best crafted. Ungainly and unimaginative, 'memristor' belly-flops rather than rolls off the tongue. It is, however, usefully descriptive: anyone can see that the inelegant portmanteau has something to do with 'memory' and 'resistance'.
Like the three passive elements of an electrical circuit - resistance, capacitance and inductance - it's a measure of certain electrical properties of a component. It wasn't brought up in High School science Wholesale Royce Freeman Jersey , though, because no-one has ever seen or built a memristor before now.
Breakthrough
A material with memrisistance - even clumsier as an abstract noun - acts like a traditional resistor, throttling current flow in an electrical circuit. It's hugely significant for the computing world, because a memresistor retains all information about its state after it's been powered down,
Unlike other forms of non-volatile memory Wholesale Bradley Chubb Jersey , such as flash or magnetic media, a computer memory format based on memristor technology would be fast enough to use as system RAM. A memristor is also much simpler and smaller than a transistor - all its properties are in one wire. Because it can have variable resistance, rather than just an onoff state, it also has profound implications for analogue computing and applications like neural simulation. Essentially, the memristor opens the doors to instant booting machines Wholesale Von Miller Jersey , with superfast RAM access and very low power requirements.
Even better, says the team currently leading research into memristor technology, it looks like the materials and processes for fabricating a memristor aren't too dissimilar to those that are used in current microchip production lines.
Where's it from?
The concept of a memristor was first mooted in 1971 by Professor Leon Chi of University of California, Berkley. He speculated that there was a missing property in the sets of equations that define charge, current flow Wholesale DaeSean Hamilton Jersey , voltage and flux of a circuit, and that it would therefore be defined by memresistance.
Although memresistance properties have been witnessed in labs for some time - both knowingly and unknowing - it wasn't until the end of last month that researchers at HP's Palo Alto Labs announced that they'd built a near-perfect example of a switching memristor that could replace a conventional transistor. This was the first time that the theory could be proved unambiguously true. The breakthrough, it seems, was in the size of the materials they could work with. Memresistance occurs because atoms shift as current is passed through them. Therefore by creating wires just a few atoms in width, it was possible for the first time to isolate the effect.
The HP team's work has been verified and published in the peer-reviewed journal Nature Wholesale Josey Jewell Jersey , where researchers stated that memristor technology, can actually recall and make association between events that are similar to how a human brain recognizes patterns.
On that basis it looks like the wait could finally be over; and the time has come to start practicing that awkward sounding word and start singing to everyone the praises of the rise of the mighty memristor.
Article Tags: Memristor Technology
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