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Science & Technology

Magnets could revolutionize computing

By T.K. Randall
June 1, 2011 · Comment icon 10 comments

Image Credit: flaivoloka / sxc.hu
Studying a magnet's ability to turn on and off may lead scientists to a computer revolution.
A material's magnetism is determined by a property all electrons possess: something called "spin." Electrons can have an "up" or "down" spin, and a material is magnetic when most of its electrons possess the same spin. Individual spins are akin to tiny bar magnets, which have north and south poles. This mirrors the "0" and "1" or "off" and "on" cycle for computers.
What causes a magnet to be a magnet, and how can we control a magnet's behavior? These are the questions that University at Buffalo researcher Igor Zutic, a theoretical physicist, has been exploring over many years.


Source: Science Daily | Comments (10)




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Comment icon #1 Posted by Nuke_em 14 years ago
LOL magnets! Lockhead made quantum computer why do we need magnets?
Comment icon #2 Posted by behaviour??? 14 years ago
Wouldnt it be possible to to make super magnets if we have the ability of f altering the spin of electrons? Like One would spin in one direction and all others would spin in a direction opposite resulting in the material to b super magnets? Just an Idea, but yeah we are yet to find some way of altering the signs of the magnetic spin quantum number of an electron, but still! lol
Comment icon #3 Posted by DieChecker 14 years ago
Intel (Where I work) already has optical processors (R&D) that would blow any magnetic processor out of the water. If they are trying to build memory devices, then good luck to them. Personally, I think solid state drives are not going to be beaten by a magnetic device that could crash if the electrical source has a problem.
Comment icon #4 Posted by SilverCougar 14 years ago
Wouldn't this just confuse mor.. *shuts herself up from the bad joke and edges out*
Comment icon #5 Posted by sepulchrave 14 years ago
Intel (Where I work) already has optical processors (R&D) that would blow any magnetic processor out of the water. If they are trying to build memory devices, then good luck to them. Personally, I think solid state drives are not going to be beaten by a magnetic device that could crash if the electrical source has a problem. I suspect (but I defer to your expertise if you think I am wrong) that they are talking about solid state drives here. From my understanding of the field the goal is to find semi-permanent field- or strain-switchable magnetism. Obviously you are correct; if magnetism c... [More]
Comment icon #6 Posted by Muenzenhamster 14 years ago
Wow diechecker, not just violating your non-disclosure agreement, but doing it on a public forum! I get the feeling you may not be working for intel all that much longer...
Comment icon #7 Posted by DieChecker 14 years ago
It is old news. We can talk about old news that is public, just not the Jigga-laser-floop-sitchen chips. The current state of the optical chips as far as manufacturability and clock speeds and such would be confidential, but the existance of said chips/technology to build chips, is not. http://www.intel.com/pressroom/archive/releases/2010/20100727comp_sm.htm
Comment icon #8 Posted by Admiral Danger 14 years ago
what if magnets could be used to create electricity? maybe get 3 magnets, 1 on a turbine and 2 in a fixed position, put them facing - - and + + . the magnet on the turbine will be constantly moving, turning the turine, generating electricity. basically. they should put magnets in your computer to make it run without the need for a battery or charger
Comment icon #9 Posted by DieChecker 14 years ago
They already have people selling what they call perpetual motion generators that supposedly use magnets to turn a shaft indefinately. One major problem is that once you put a load on the shaft, say to generate electricity, the magnets get worn down quick, so much so that they need to be changed out quite regularly. Financially the magnets are usually much more expensive per watt generated then even using batteries. The big one that I am thinking of is mostly in Europe, can't remember the name, and they will tell you that the power is free, and that their generator can power you house indefinat... [More]
Comment icon #10 Posted by Fluffybunny 14 years ago
Magnets huh? I am going to strap this industrial strength electromagnet to my computer and see if it speeds things up. I will go ahead and fire the magnet up and see what happens#^*())&%$#^&*((*$@@@$%^*)_)(*&$#@$%^*()*^%$#@#^*(*^%$#@#$%^*( (*&^%$#$%*()_ (*&^%$ *&@^&*)___)*&^$%#$%^*()_ *&$@#$%@#$%^!


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