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 Post subject: Memresistors
PostPosted: June 7th, 2008, 9:00 pm 
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Hewlett-Packard's central research facility HP Labs claims to have proven the existence of what had previously been only theorized as the fourth fundamental circuit element in electrical engineering.

The scientific advancement could make it possible to develop computer systems that have memories that do not forget, do not need to be booted up, consume far less power and associate information in a manner similar to that of the human brain.

In a paper published in Nature, four researchers at HP Labs' information and quantum systems lab, led by R. Stanley Williams, presented the mathematical model and a physical example of a "memristor"—a blend of "memory resistor"—which has the unique property of retaining a history of the information it has acquired.

Leon Chua, a distinguished faculty member in the Electrical Engineering and Computer Sciences Department of the University of California at Berkeley, initially theorized about and named the element in an academic paper published 37 years ago. Chua argued that the memristor was the fourth fundamental circuit element, along with the resistor, capacitor and inductor, and that it had properties that could not be duplicated by any combination of the other three elements.

Building on their research in nanoelectronics, Williams and team are the first to prove the existence of the memristor.

"To find something new and yet so fundamental in the mature field of electrical engineering is a big surprise, and one that has significant implications for the future of computer science," said Williams. "By providing a mathematical model for the physics of a memristor, HP Labs has made it possible for engineers to develop integrated circuit designs that could dramatically improve the performance and energy efficiency of PCs and data centers."

Birth of new memory
One application for this research could be the development of a new kind of computer memory that would supplement and eventually replace today's commonly used DRAM. Computers using conventional DRAM lack the ability to retain information once they lose power. When power is restored to a DRAM-based computer, a slow, energy-consuming "boot-up" process is necessary to retrieve data from a magnetic disk required to run the system.

In contrast, a memristor-based computer would retain its information after losing power and would not require the boot-up process, resulting in the consumption of less power and wasted time.

This functionality could play a significant role as "cloud computing" becomes more prevalent. Cloud computing requires an IT infrastructure of hundreds of thousands of servers and storage systems. The memory and storage systems used by today's cloud infrastructure require significant power to store, retrieve and protect the information of millions of web users worldwide.

Memristor-based memory and storage has the potential to lower power consumption and provide greater resiliency and reliability in the face of power interruptions to a data center.

Another potential application of memristor technology could be the development of computer systems that remember and associate series of events in a manner similar to the way a human brain recognizes patterns. This could substantially improve today's facial recognition technology, enable security and privacy features that recognize a complex set of biometric features of an authorized person to access personal information, or enable an appliance to learn from experience.
(taken from http://www.eetasia.com/ART_8800520887_4 ... 522ff0.HTM)

^^ Interesting, isn't it? They could make computers that will remember information EVEN IF they lose power. And they wouldn't need to take the time and energy to boot up, they can just... Turn on, like flipping a switch. One moment, it's off, the next, it's on! Neat thing though... If it can remember things, and ASSOCIATE them with other things, then... say you open up iTunes every time that you log on. Eventually, it will realize this, and open it for you for you, when you log on, saving you from having to do so. That's both neat, and somewhat scary. If they can associate things, then eventually, they will be able to associate gathering data with reaching conclusions, and, being the tools to reach the conclusion, they will realize the steps involved in making said conclusions, and they will be able to take data from the internet, and figure things out from them! This could potentially revolutionize how AIs will be developed! (Or I just read too much science fiction. Anyone else here an Asimov fan?)

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Last edited by Senethior459 on June 10th, 2008, 7:49 pm, edited 1 time in total.

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 Post subject: Re: Memresistors
PostPosted: June 7th, 2008, 11:03 pm 
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That's interesting. But I think it sounds a little too... hm.... easy?

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