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New Material for Spintronics Discovered

Cpt_Corelli writes "Researchers at Uppsala University and the Swedish Royal Institute of Technology have discovered a new material with properties suitable for creating spintronic devices at room temperature. Previously this was only believed to be available at very low temperatures. The material is a combination of zinc oxide and manganite. The breakthrough is the cover item of the October issue of Nature Materials. If this new material proves viable for production there is an enormous potential for smaller and faster processors. Could this be the beginning of a new era in processor development?"

135 of 225 comments (clear)

  1. maharg's law by maharg · · Score: 2, Funny

    things will get faster

    --

    $ strings FTP.EXE | grep Copyright
    @(#) Copyright (c) 1983 The Regents of the University of California.
    1. Re:maharg's law by maharg · · Score: 1, Funny

      and the nature.com registration process is defy maharg's law already !

      --

      $ strings FTP.EXE | grep Copyright
      @(#) Copyright (c) 1983 The Regents of the University of California.
    2. Re:maharg's law by iMMersE · · Score: 1

      News for physics majors. Stuff that is small.

      --
      codegolf.com - smaller *is* better.
  2. What does this mean? by Anonymous Coward · · Score: 1, Offtopic

    I don't get it. Could someone please explain this in plain English? Thanks.

    1. Re:What does this mean? by grolaw · · Score: 2, Informative

      Short answer: new method of using physical properties of electrons to reduce the travel time lag imposed by c and faster data state identification with less power could result.

      Actually, it isn't that difficult. Our present systems use electrons (maximum speed is "c", or 186k/mi/sec) to carry or set data states (0,1). The electron has a few other properties that could be explored as a mechanism for data storage. This piece suggests that the "spin" state of an electron could become a viable mechanism (the system could work in less than super cold environments) for creating, reading and writing data states.

  3. Oh no! by Anonymous Coward · · Score: 2, Funny

    The subatomic part of the atom would store the information, and the electron would act as the bus to carry information in and out of the nuclear subsystem

    It's actually a disguised, mobile WoMD!

  4. Spintronics? by rjch · · Score: 4, Funny

    Why does this sound suspiciously like some washing machine technology gone totally mad?

    1. Re:Spintronics? by pcwhalen · · Score: 1

      Actually, they were a Norwegian punk band. Influences included The Knack, The Romantics, Jonny and the the Charged Leptons and the little known NYC band Electric Dipole Moments.

      Some of their songs included "You Changed My Polarisation Asymmetrically" and the dance favorite "Boson and The Jets" which Elton John would later change slightly and catch a number one single.

      The lead singer died tragically and explosively when he met his antimatter self at CBGB OMFUG in NYC on April 1, 1982.

      --
      Pay no attention to the man behind the curtain with all your metadata.
    2. Re:Spintronics? by sbeitzel · · Score: 1

      Dude! I remember seeing them at the Roxy in L.A. back in the day. Didn't they also do some sort of collaboration with Blondie, which gave us the song, "Fade Away and Radiate"?

      --
      Oh, go on, check out my job.
  5. Spin Doctors by heironymouscoward · · Score: 5, Informative

    In English: using the spin on individual electrons as a way of storing data.

    Incredible, really. I could store the Library of Congress in the LCD pixels represented by this: .

    Several times, I suspect.

    --
    Ceci n'est pas une signature
    1. Re:Spin Doctors by Anonymous Coward · · Score: 1, Funny

      Dear Sir,
      we appreciate your effort in describing the storage capacity in units that the layman can understand. In the future please try to express the quantities in IT-friendly terms such as "Gigabyte", "Megahertz", or "bushel".
      Sincerely,
      Mr Blinky

    2. Re:Spin Doctors by size1one · · Score: 1

      Incredible, really. I could store the Library of Congress in the LCD pixels represented by this: .

      More importantly, how much porn is that. And most important, when i view said porn will it be larger this: .

    3. Re:Spin Doctors by QuantumFTL · · Score: 5, Informative

      Disclaimer: I'm just about done with my bachelors in Physics.

      In English: using the spin on individual electrons as a way of storing data.

      One of my physics professors here at Cornell does a lot of heavy spintronics research, and I can tell you that they are not even *CONSIDERING* using single electron spins to store classical information right now. Forget all the crazy quantum effects, and the fact that all the electrons nearby would interfere horrendously thorugh spin-spin interactions, thermal energy would screw that up in a jiffy. Think what happens to a magnet when it's heated up to the curie temperature (electrons are just tiny magnets). We don't even have a way to accurately measure the spin of one exact electron yet.

      As I understand it, the idea is actually pretty simple: instead of propagating electrical signals in a stream of electrons by altering their momentums (through the use of an EM field), you propagate a change in spin along the stream. Instead of speeding up or slowing down electrons, you're only flipping them up and down (you're actually flipping entire regions at that). Because of hte spin-spin coupling I mentioned before, this change in spin will propagate through the group of electrons *VERY* rapidly, much closer to the speed of light than a change in momentum would (by changing voltage, etc). So what we have is *MUCH* higher switching speeds with hardly any energy loss! So basically you have ultra-high speed chips that dissapate very little energy. Forget that watercooler in your laptop, you might not even need more than a tiny battery once spintronics becomes popular.

      Now, as with any technology spintronics has its set of challenges. The biggest one that I am aware of is the ability to inject spin properly when electrons are moving between different materials. Many crystaline structures can alter the spin state significantly on entry, thus destroying the signal (or at least reducing it). I am confident, however, that many of these problems can be solved, especially given that spintronics is provably much better than electronics for computing tasks. Just look at the enormous number of problems the semiconductor industry has already solved in the last 40 years. Add to that the hope that all of this could work at room temperature, and well, it's very exciting to say the least.

      So once again, we're not talking about individual electron spin. The only computing paradigms I'm aware of that use spin of individual particles are Quantum Computers (which do not behave the same algorithmically as classical computers) which are an entirely different story.

      Cheers,
      Justin

    4. Re:Spin Doctors by Anonymous Coward · · Score: 1, Insightful

      So in laymen terms, it's like twisting one end of a cable instead of jarring it up and down to produce a wave?

    5. Re:Spin Doctors by QuantumFTL · · Score: 1

      So in laymen terms, it's like twisting one end of a cable instead of jarring it up and down to produce a wave?

      Wow, that's actually a pretty good way of thinking about it... I mean it's not exactly the same but... definately on the right track :)

      yeah I'm sorry my post wasn't exactly oriented at the layman... I have a tendency to do that!

      Cheers,
      Justin

  6. What we need now by Anonymous Coward · · Score: 3, Funny

    Diamond based, nano-molecuar, photonic, quantum computers with Spintronics also in a big bewulf cluster and runing Linux.

    1. Re:What we need now by pmz · · Score: 1

      rendering images of Natalie Portman covered in hot grits no less.

      The steam from the grits turns the generator powering the cluster, so, technically, you are right on track. However, productivity fell through the floor, because this new technology doesn't take into account that the system administrators are lonely men who are now in love with their new power source. You get a little, you give a little, I guess.

    2. Re:What we need now by orasio · · Score: 1

      You forgot direct chip interconnect for that beowulf cluster of yours

  7. Bad joke of the day by xaoslaad · · Score: 5, Funny

    Does that make the people who discovered this Spin Doctors?

    whacka whacka whacka

    1. Re:Bad joke of the day by euxneks · · Score: 1

      I believe the correct term is:

      wakka wakka wakka!
      =D

      For those who don't know where that is from, look up fozzie from the Muppets =D.

      --
      in girum imus nocte et consumimur igni
  8. Previous record. by eddy · · Score: 4, Interesting

    I read that the previous record -- from just a year or so back -- was -101c.

    This is apparently huge, if the PR-blitz is to be believed.

    --
    Belief is the currency of delusion.
  9. Re:Translation to M$ code by acegik · · Score: 1

    ohhh did I upset a M$ programmer??? Truly sorry dude. Hope you won't tell on me to brother Bill.

  10. In abstractio by Seehund · · Score: 5, Informative

    Does posting a link to the Nature Materials abstract count as karma whoring, when there's maybe only three people here who would understand what it says? ;)

    --
    Help savingAmigaOS and a free PowerPC market
    1. Re:In abstractio by troc · · Score: 1

      Hmm, assuming you understood it and the person who modded you understood it, and knowing that I understood it, does that mean nobody else will?

      cool. I guess if he gets modded up anymore, then someone is telling porkies.

      Troc

      PS For the cockney-impaired: "porkies" from "porky pies" from "pork pies" i.e. lies.

      PPS A pork pie is a piece of fatty pink meat and some seasoning, wrapped in some jelly-like fat and some gray chewy pastry. Yes, it is edible. Just.

      --
      Troc's dubious podcast and blog: http://www.trocnet.net
    2. Re:In abstractio by en4ca · · Score: 1

      It seems it does...

    3. Re:In abstractio by Hittite+Creosote · · Score: 1

      It's a good job I understand it - I'm paid to do research on dilute magnetic semiconductors...

    4. Re:In abstractio by Seehund · · Score: 1

      Jag haller med, precis samma rad skulle jag ge till dem som inte forstar. Hursa? Var det mig du vande dig till? Jag forstod vad herrar Johansson et al. skrev, och jag ar trott pa att oppna fysik- och kemibocker... ;) (Det skall sagas att det da handlar mer om biokemi samt tillampad fysik inom radiologi och annan medicinsk diagnostik).

      (Summary for the English speaking /. readership: bork bork bork smorgasbord! And why does Slashdot eat the dots in the Swedish alphabet?)

      --
      Help savingAmigaOS and a free PowerPC market
    5. Re:In abstractio by perreira · · Score: 1

      Actually, there are more than three authors of the paper... (OK, judging from our physics department, only half of them understand whats going on, but even then there rest more than three)

  11. 50Ghz processors... by MosesJones · · Score: 5, Interesting


    Here we come, won't that be great. 10Mfps in Quake4D, milliseconds from start to crash in windows.

    But still connected to a low bandwidth connection (2Mbps) to an unreliable network with high contention rates and collisions.

    Fast processors ceased to become something to get excited about since about 1999, 90% of people don't need them, 8% need more memory instead, and the final 2% do nuclear and climate simulations, work in industrial modelling, or SFX and animation.

    --
    An Eye for an Eye will make the whole world blind - Gandhi
    1. Re:50Ghz processors... by JaredOfEuropa · · Score: 4, Insightful
      work in industrial modelling, or SFX and animation.
      Don't forget, faster processing and faster hardware is what may allow everyone to do things with SFX and high-end animation. The same happened with video editing, CAD, real-time audio processing etc. etc; at one time these were things for high-end computers too expensive for the hobbyist, but these days everyone is doing them.

      Once we get the faster processors, we'll find uses for them.
      --
      If construction was anything like programming, an incorrectly fitted lock would bring down the entire building...
    2. Re:50Ghz processors... by JanneM · · Score: 2, Insightful

      Um, do I have to?

      I have a digital camera. I use it quite a bit. I _never_ edit the images, despite having the tools and ample computing power to do so. What I do is take a bunch of pictures, and throw away most of them. The rest I use in one way or another. Very few are actually saved semipermanently. And as far as I know, none in my circle of aquaintances edit their pictures either.

      The mac-toting people I know have all enthused over the video editing tools they have. None of them have ever actually used them. Editing video is like editing still images, but much more demanding in time.

      Doing SFX is even worse; it implies an artistic and narrative idea to be expressed, not just exposed. Like most of the people I know, I could not express myself out of a wet paper bag. I have no interest in actually creating movies, with or without FX, and I would likely shoot myself rather than being exposed to any creations from my normally talented (ie. no at all) friends. Holiday pictures are bad. Amateurishly edited holiday mmovies with cheesy special effects are enough to make people clinically depressed.

      My point? This new "killer app" for more processor power isn't one. Great application - for the small minority that have the interest, talent and time to actually create stuff with it. A non-issue for the vast majority.

      --
      Trust the Computer. The Computer is your friend.
    3. Re:50Ghz processors... by Perl-Pusher · · Score: 1
      Or compile VB/higher level apps, or write/play games

      I guess GTA3 in visual basic would need 50Ghz! But compile time, please with all the precompiled active X objects and DLL's the compile time of the average VB app is not that high. Try installing gentoo linux on a 500Mhz pentium 2, then you've got a serious gripe. Rendering 3d graphics? Try getting a really serious graphics card or a cluster. Parallel processing is the key to fast graphics, ask pixar studios they have quite a few large render farms. Everything else you mentioned is throttled not by the CPU but the disk speed. You can have a ferrari capable of 200 mph, but if your behind a donkey cart in a tunnel, your not going to get anywhere faster than the donkey!

    4. Re:50Ghz processors... by fredrikj · · Score: 1

      Here we come, won't that be great. 10Mfps in Quake4D, milliseconds from start to crash in windows.

      Nonsense. What we get is redundancy, and we can actually use it. See, the thing with faster computers is, they allow a greater level of abstraction in programs, both on the programmer and the user side. This has unfortunately not yet happened, since too many programmers stubbornly stick to C and its likes.

      Granted, using high-level programming languages does not automatically make programs more stable, but it does give better chances of resuming or recovering from errors, and more importantly, it allows programmers to focus on more important aspects of programs. Best of all: we can use all that extra power for human-computer interface enhancements, such as speech, video or natural language recognition.

      Two random links which I'm too lazy to label:
      http://www.paulgraham.com/hundred.html
      TUNES

    5. Re:50Ghz processors... by pablo_max · · Score: 1

      While it's true you can agrue that we don't "need" faster processors much in the same way that we don't need a better artificial heart when the ones we have kind of work now. Besides only like .5% of the people need them! I will no longer desire a faster machine when there is no wait time to do what I want to do. I can recall a time when I would never need more then my giant 20meg HD with my first 286. Often times wants outway the "needs"

    6. Re:50Ghz processors... by braun · · Score: 1

      Actually, acording to swedish media, this material will function both as cpu, and storage medium. Therefor there will be quite a big leap in computer "power" for all, not only those who crave fast cpu's. (sorry, bad english)

    7. Re:50Ghz processors... by master_p · · Score: 1

      When 50 GHz are reached, everything will be as slow as it was, because it would run on an interpreted programming language environment!!!

      (I hope not!!!)

    8. Re:50Ghz processors... by ae · · Score: 1
      Here we come, won't that be great. 10Mfps in Quake4D, milliseconds from start to crash in windows.

      I'm sorry, but this is silly. Games and crashing Windows are not the only uses of computing power. There are lots of applications that require orders of magnitude more coputing power than what is readily available today.

      Consider strong AI, for instance. It is assumed that the human brain has approximately nine orders of magnitude more computing power than your avarage $1000 PC of today. Unless we find some pretty good shortcuts (which we haven't really been able to, as of yet) we will probably need similar amounts of computing power to achieve real thinking machines.

      I would recommend that you take a look at a plot of computing power as a function of price for the last century some time. It's an eye-opening experience. The exponential growth of computing power per monetary unit (commonly refered to as Moore's law) did not begin with the invention of the microchip. It has been going on for a lot longer than that and has continued through several paradigms of computation. Ray Kurzweil has investigated this phenomenon thoroughly. There are obviously more fundamental forces than development in desktop applications and gaming that are driving the increase of computing power.

      But still connected to a low bandwidth connection (2Mbps) to an unreliable network with high contention rates and collisions.

      Faster processors and memory means faster routers as well.

      --
      Blog Ho
    9. Re:50Ghz processors... by Cecil · · Score: 1

      I agree with your post, except for this part:

      This has unfortunately not yet happened, since too many programmers stubbornly stick to C and its likes.

      No, this is because computers are not fast enough to justify a leap to slower, more robust languages yet. We're just barely breaching the barrier of "My current computer is so fast that there is no need for a faster processor".

      It's very easy, however to add enough sluggishness into a system to drag it down below that magic threshhold, and suddenly it is noticable that it's not so fast enough anymore. People won't want to play your game/use your program because it's slower than your competitor's. Basically, you can't pull off a massive slowdown without the average computer speed being significantly faster than it needs to be, so that the speed difference when you slow it down with all the memory management and run-time error checking isn't noticable.

      It is possible to get to that speed, and this whole 'spintronics' concept may be able to pull it off if it's not vaporware. But until then, all we can do is incrementally move towards better managed languages. Which is what we're doing with Java, C#, Python, etc. We'll get there, it just isn't nearly as immediate a thing as everyone would like it to be. (including the programmers, I might add. No one really enjoys smashing their head against a virtual function pointer table when they're trying to meet a deadline)

    10. Re:50Ghz processors... by Fweeky · · Score: 1

      With more processing power, maybe your camera will be able to save PNG's, instead of those crappy lossy JPG's, without taking 40s to save each shot, and without using huge amounts of available storage.

      Maybe it can start taking really high speed shots one after another, instead of struggling to hit 2FPS.

      Maybe it can do a bit more processing of the scene and avoid that odd over/underexposed image.

      Maybe it can use a more powerful autofocus algorithm and execute it faster.

      Maybe it can use a more powerful noise reduction system and push up to noise-free 1600 ISO sensitivity for all those indoor and nighttime shots.

      And maybe Windows' Image Viewer can display and scale these shots a bit faster. Ever tried making it zoom a moderately large image? Ugh.

    11. Re:50Ghz processors... by fredrikj · · Score: 1

      We're just barely breaching the barrier of "My current computer is so fast that there is no need for a faster processor".

      Fair enough, but we're in my opinion close enough for most new applications to actually use something better than C :-)

      Operating system kernels, games and various libraries excepted, of course.

    12. Re:50Ghz processors... by MosesJones · · Score: 1

      "Faster processors and memory means faster routers as well."

      PLEASE tell me that was a joke. ADSL is NOT limited by a routers processor or memory capacity, its a tad bit more fundamental than that.

      --
      An Eye for an Eye will make the whole world blind - Gandhi
    13. Re:50Ghz processors... by meatspray · · Score: 1

      What you say is quite true, but what most fail to realize is that the 386 was more than fast enough for word processing and basic (non multimedia) websurfing.

      Even though there is not much instant gratification behind an increase in processor speed, it will certainly open the door to new innovation and things (although not completely necessary) that are quite exciting.

      Being able to go to a website, watch a movie trailer nearly in real time, and buy a ticket for it have all come about due to advances in speed of processors and connections.(hence cost reductions) Could you imagine Google running on 8086 tech?

      The exciting point for me is when the technology leads to the computer being about the size of your cellphone while comsuming 2 watts of power. Smaller will eventually bring about faster, but it will be coupled with less power consumption and consequentially less waste.

      People keep asking me if their equipment is obsolete, I keep asking them if it can do everything they want it to do. One answer fulfills the other.

    14. Re:50Ghz processors... by JanneM · · Score: 1

      Those demands are entirely reasonable. They also have nothing to do with pushing the performance edge. A current gen cpu could do all of those things easy - if you could use it in a small device.

      Getting that functionality has everything do do with lowering power consumption, something which is becoming _more_ important, at the same time the maximum possible speed is becoming less so. Lower power consumption means we can have portable devices that are smaller, more capable and can run longer without recharging.

      --
      Trust the Computer. The Computer is your friend.
    15. Re:50Ghz processors... by The_Sock · · Score: 1

      Then don't look at the faster processor aspects of this, as that is not the first place this will be used widespread. Look at MRAM, which is probably where this will be used in the immediate future (immediate being as soon as 2005). This will give you greater storage for your camera/portable devices and longer battery life (plus fast on's for our computers is good too).

      --
      For a good time call www.sawkie.com
    16. Re:50Ghz processors... by The_Sock · · Score: 1

      Parrallel processing is the key right now to fast graphics, but only because the biggest, baddest computer is not enough.

      A single computer with the computational power of that cluster will be faster, if only because of the savings by internal transfers instead of across some form of network. The latency may be minimal, but there is also overhead in the protocols and the cpu power used to seperate and distribute the processes. This overhead and slowdowns would be eliminated if it was on a single machine.

      These incrimental evolutions (this is not revolutionary. Techniques in spintronics are already used for our big HDs), perhaps used with technology advanced announced by Sun yesterday, are paving the way for that big bad machine that can render 30 fps, can replace the clusters, and can help us solve the very difficult problems.

      --
      For a good time call www.sawkie.com
    17. Re:50Ghz processors... by The_Sock · · Score: 1

      Hate to reply again, but

      Everything else you mentioned is throttled not by the CPU but the disk speed.


      Spintronics have more immediate uses in MRAM, which is nonvolatile and can/will replace HDs, meaning these bottlenecks can be eliminated because of this. The faster CPUs may be a happy side effect.

      --
      For a good time call www.sawkie.com
    18. Re:50Ghz processors... by cookie_cutter · · Score: 1
      the final 2% do nuclear and climate simulations, work in industrial modelling, or SFX and animation

      Hey, don't forget us Computational Biologists!

    19. Re:50Ghz processors... by pmz · · Score: 1


      If we actually used all the technology we are surrounded with, we would have no time for things that were once considered important. For example, raising children.

    20. Re:50Ghz processors... by vadim_t · · Score: 1

      Um, bandwidth adds up on the backbone. You don't need much processing power to handle a 2 Mbps connection. However, in order for you to have that there have to be places with traffic measured in hundreds of Gbps, and those will definitely benefit from faster processors.

    21. Re:50Ghz processors... by Suidae · · Score: 1

      For example, raising children.

      Proper technology wouldn't require time to use, or training to learn how to use properly, it would just take over the manual tasks we are loath to do.

      My house would clean itself, the laundry would do itself and put itself away the car would change its own oil and refuel itself, my body would maintain itself without requiring excersize, and I would be free to spend time raising my children.

      Technology should never cause me to do more work (unless its a trade off for something like doing a bit more work in exchange for safer conditions).

    22. Re:50Ghz processors... by bodan · · Score: 1

      Well, doing SFX, GFX, XFX or whatever does not mean everyone will do movies. It might mean, for example, playing Doom9 deathmatch, while the computer records your face in real-time and uses every facial expression, lip-movement, etc., to alter your avatar's face, recording your voice and playing it as if spoken by the avatar - that is, retaining intonation, or emotion if necessary, and changing voice, accent, and maybe even language, all irecognisable and perfect. (This could get especially interesting if your avatar is not human.)

      --
      "I think I am a fallen star. I should wish on myself."
  12. does that finding... by dcordeiro · · Score: 3, Funny

    does that finding has something to do with a arm and a very complex processor found crushed in a automated factory ?

  13. Re:*kneeling down* by mothrathegreat · · Score: 2, Informative
    I, for one, welcome our new spintronic Overlords!

    SLAP!!!

    At least choose a fresh quote, how about... "Professor, without knowing precisely what spintronics is / Reading TFA, would you say it's time for our viewers to crack each other's heads open and feast on the goo inside?" Professor: "Yes I would, Kent.

    --
    Extended Warranty? How can I lose!
  14. Moore's Law rescued again! by phil+reed · · Score: 4, Funny

    Gordon Moore heaves a sigh of relief.

    --

    ...phil
    "For a list of the ways which technology has failed to improve our quality of life, press 3."
    1. Re:Moore's Law rescued again! by cybermace5 · · Score: 1

      And immediately pushes to rename the company he works for.

      *cue Blue Man Group whirling around like idiots*
      *fade spinning blue guy to swirling logo*
      @
      Spintel Inside

      --
      ...
  15. Wowsers! by leery · · Score: 2, Funny

    Wow #1: MR hard drives already use spintronics?!

    Wow #2: MRAM = nonvolatile memory 50 times faster than DRAM?! AND 10 times denser?!

    Wow #3: MRAM in production by 2005?!

    Does this spell the end for our Dynamic(RAM) Duo? Tune in tomorrow, because it sounds like everything's going to change overnight!

    Wowsers!

    --
    "This is not a sig." -- R.
  16. A pedant writes... by Hittite+Creosote · · Score: 5, Informative

    Md-doped means Manganese doped, not Manganite. Manganese is an element, Manganite is a mineral, MnO(OH).

    1. Re:A pedant writes... by jafac · · Score: 1

      . . . and magnamite is a pokemon. . .

      --

      These are my friends, See how they glisten. See this one shine, how he smiles in the light.
  17. Units of Measurement by heironymouscoward · · Score: 4, Funny

    But, the LOC is the standard unit for measuring unquantifiably huge amounts of storage since (a) no-one knows exactly how big a LOC is, so they cannot dispute your estimate, and (b) the LOC always gets larger, and thus the estimate of "I can fit N LOCs into that space", where N is an integer between 1 and 100, remains accurate despite the logrithmic nature of storage growth.

    I for one have never been able to convert LOCs to bushels, and I have no intention of starting now!

    --
    Ceci n'est pas une signature
    1. Re:Units of Measurement by bumby · · Score: 1

      A LOC is about as big as 200 Elephants

      (see http://slashdot.org/search.pl?query=clouds+elephan ts&op=stories&author=&tid=&section=science&sor t=1 if you don't remember)

      --
      Hey! That's my sig you're smoking there!
    2. Re:Units of Measurement by RickL · · Score: 1

      A LOC is about as big as 200 Elephants

      Wrong!

      "LOC" is the singular of lox. Therefore a loc is the size of half a bagel.

      Oddly enough, "LOC" is also the singular of "LOX" (liquid oxygen).

  18. A dyslexic pedant writes... by Hittite+Creosote · · Score: 2, Informative

    Ahem. I meant Mn-doped.

  19. Re:Translation to M$ code by maharg · · Score: 1

    Kudos acegik, that was truly incisive wit :o)

    --

    $ strings FTP.EXE | grep Copyright
    @(#) Copyright (c) 1983 The Regents of the University of California.
  20. Re:Sphinctronics by You're+All+Wrong · · Score: 1

    I guess that makes the goatse man the equivalent of a beowolf cluster.

    Do I have to mention grits too?

    YAW

    --
    Your head of state is a corrupt weasel, I hope you're happy.
  21. Re:So this means.... by MoP030 · · Score: 5, Funny

    No, it means when the benefits of spintronics have been exploited research will proceed to store information in quarks and whatever lies beneath, data transfer will be instantaneous through some weird particle entanglement. And someone will say "6*10^23 bits inside a few grams of silicon will be enough for everyone", and few years later he will be laughed at.

    --
    the most sexp i get is my paren-mode.
  22. Slashdot effect on electricity?? by locknloll · · Score: 5, Funny

    At the moment (2:30 PM CET) Southern Sweden is without electricity due to a giant power failure. So either this discovery already starts showing its evil consequences, or the Slashdot effect now reaches further than just web sites...

    --
    -- Power corrupts, but PowerPoint corrupts absolutely.
    1. Re:Slashdot effect on electricity?? by geggibus · · Score: 1

      From a swedish newspaper
      "Stromavbrottet storde ocksa teletrafiken och manga fick problem att komma ut pa internet."

      Translation:

      The power failure also disturbed the telecommunication and many had problem connecting to internet.

    2. Re:Slashdot effect on electricity?? by geggibus · · Score: 1

      Denmark went down to.. i guess the new computer will use lots of energy.. ;)

    3. Re:Slashdot effect on electricity?? by Wizt · · Score: 1

      Haha, Norway survived! Eat that pojkar.

  23. It'll have to join the queue by You're+All+Wrong · · Score: 4, Funny

    "Could this be the beginning of a new era in processor development?"

    It'll have to join the queue, _behind_ optical computers and quantum computers, I'm still waiting for what they promised...

    YAW.

    --
    Your head of state is a corrupt weasel, I hope you're happy.
    1. Re:It'll have to join the queue by Hittite+Creosote · · Score: 1

      Actually, spintronics are one route to get to quantum computers.

    2. Re:It'll have to join the queue by HiThere · · Score: 1

      The problem is you're thinking of it as a queue, when it's actually a stream of multi-threaded processes.

      --

      I think we've pushed this "anyone can grow up to be president" thing too far.
  24. Attack of the 80's by mesmartyoudumb · · Score: 1, Funny

    You spin me right round baby right round like an electron baby right round round round.......

    DIE 80's DIE.

    --
    "Comedy's a dead art form. Now tragedy, that's funny."
  25. magentic memory is not a new idea by jez_f · · Score: 2, Interesting

    Core Memory was around a long time ago. It provided non-volatile memory for a computer.
    Isn't this just a molecular version of this idea?

    1. Re:magentic memory is not a new idea by spike+hay · · Score: 1

      Core memory is way, way, way, way different than spintronics. Core memory is closer to hard drives than spintronics. Core memory works with regular old magnets that align differently to store data. Very slow.

      Spintronics works by using spin-polarized currents flowing through special semiconductors that impede certain spin states. They have about as much in common with core memory as they do with refrigerator magnets.

      --
      If you don't understand any of my sayings, come to me in private and I shall take you in my German mouth.
    2. Re:magentic memory is not a new idea by jez_f · · Score: 1

      Oh right.
      I think I see, spin polarized currents rather than magnetic allignment?
      Thanks for correcting me, I tend to get confused when things get that small.

    3. Re:magentic memory is not a new idea by spike+hay · · Score: 1

      Magnetic alignment is caused by spin, of course. But these are spin polarized currents that are blocked or allowed to pass by certain magnetic configurations. Mind bogglingly complicated compared to vanilla magnetic storage.

      --
      If you don't understand any of my sayings, come to me in private and I shall take you in my German mouth.
  26. It gets smaller and smaller... by Serious+Simon · · Score: 2, Funny

    I hope by the time they make an actual product out of this, the paperless office will have become a reality. Otherwise, I'll have a big problem finding my PC on the desk.

  27. Remember ferromagnetic memory by panurge · · Score: 4, Interesting
    That was going to revolutionise memory a few years back? But didn't. Remember diamond semiconductors that were going to revolutionise processors, from around 1990? But didn't. Remember GMR heads that were going to revolutionise hard drives? Oops, they did. Didn't fix the slow random access data rate much, but changed the paradigm for backup devices.

    Perhaps this is going to be the one that is going to change the bottleneck in the system from the slow memory to the newly slow processor. And the very slow HDD. And the very slow I/O.

    Having made which cynical observation, I wonder what impact this could have on database client server? Keeping the database in memory? Multiway processors? It looks like the only people really able to make use of the technology are going to be at IBM, and possibly Sun.

    --
    Panurge has posted for the last time. Thanks for the positive moderations.
    1. Re:Remember ferromagnetic memory by bhima · · Score: 1

      I thought that was "Bubble Memory"

      --
      Nothing in the world is more dangerous than sincere ignorance and conscientious stupidity.
    2. Re:Remember ferromagnetic memory by panurge · · Score: 1

      Yes, we're in the exact same position. This is what I meant. It looks to me as if it's what we need for server-centric applications and thin clients, and that benefits the IBM/Sun/Oracle world more than the Microsoft desktop world. I think.

      --
      Panurge has posted for the last time. Thanks for the positive moderations.
  28. Re:MOD POST AS "SPECULATIVE" by heironymouscoward · · Score: 4, Insightful

    Please read the comment on the nature of the LOC unit. Thank you.

    By the way, the number of electrons in a gram of phosphorous is about 2e22. Assuming 1 gram of the stuff on an monitor, and a 1600x1200 resolution, that's about 1e16 electrons per pixel, and assuming 1 bit per electron (somewhat beyond the state of today's spintronics, but not unimaginable), that's 1,250,000 Gb of data.

    Enough for a few LOCs, I believe.

    --
    Ceci n'est pas une signature
  29. Effect on programming and OS? by eggoeater · · Score: 2, Interesting

    I remember reading an article on this technology about 15 years ago. The article said it would hold a few terabytes non-volitile in the size of a sugar-cube (2cm^2).
    My immediate reaction was how would this affect programming and OS when the line between memory and storage is disolved. Not sure if the interface to CPU would be as fast as current memory, which means it would just be a storage mechanism.
    If it could be used for primary memory, what happens to files and how they are viewed (logistically not physically). Would we need 'virtual' files on a RAM-disk or something more abstract?
    Time will tell.....
    -Steve

    1. Re:Effect on programming and OS? by Licensed2Hack · · Score: 1

      I remember reading an article on this technology about 15 years ago. The article said it would hold a few terabytes non-volitile in the size of a sugar-cube

      Holographic memory. Problem is growing pure, uniform crystals in 1G. Access times were supposed to be on the order of 1ns. And no bus contention or wait states.

      If it could be used for primary memory, what happens to files and how they are viewed (logistically not physically). Would we need 'virtual' files on a RAM-disk or something more abstract?

      Initially the RAM disk idea would work. Most modern OSes have RAM disk capability, so there wouldn't really need to be major modifications.

    2. Re:Effect on programming and OS? by eggoeater · · Score: 1
      Initially the RAM disk idea would work. Most modern OSes have RAM disk capability, so there wouldn't really need to be major modifications.
      Correct, but it still begs the question, how would storage evolve when memory and storage are the same thing.
      A program has to have a way to store data so it can be retrieved next time it runs. So is RAM-disk the best method? I doubt it but I don't have a lot of other ideas at the moment.
      Oh yeah...just in case it hasn't already been done.... imageine a beowolf cluster of spintronic devices....etc.etc.
      -Steve
    3. Re:Effect on programming and OS? by dedalus2000 · · Score: 1

      so python programers would have no problem adapting, file like objects are file like objects.

      --
      My keyboads not woking popely.
  30. "Not previously available"? Explain please! by Zocalo · · Score: 3, Interesting
    According to the story, the universities have developed a new material for Spintronic devices, something not previously available at room temperatures. What? You mean like IBM's harddrives (from 1997), or the Infineon MRAM it hopes to being to market next year, both of which are mentioned in one of the linked stories. Surely both the harddrive and MRAM consist of "room temperature" devices, albeit most likely of a different material.

    New material. Got that. But what makes it so special?

    --
    UNIX? They're not even circumcised! Savages!
  31. What is it with powercuts this year? by upside · · Score: 1

    The US, Finland, England, now Sweden. All within a few months. Perhaps others? Material for juicy conspiracy theories!

    --
    I'm sorry if I haven't offended anyone
  32. Diamond semiconductors by MyNameIsFred · · Score: 1
    Remember diamond semiconductors that were going to revolutionise processors, from around 1990?
    As I understand it, the problem has been creating diamond wafers big enough, and cheap enough to create chips. Recent press reports (Wired) have discussed a couple of American firms that have made some breakthrus. So give it another 10 years...
  33. Woah, sitetronics on slashdot!?!? by terbo · · Score: 1

    I thought he said something about sitetronics.com.

    --
    If you're interested in facts I'll tell you what they are and I'll give you sources - Chomsky on The Big Idea
  34. Zinc Oxide by ikekrull · · Score: 1

    Obviously, the guys who made the Kentucky Fried Movie were seriously prescient,

    --
    I gots ta ding a ding dang my dang a long ling long
    1. Re:Zinc Oxide by happy_place · · Score: 1

      So you see Timmy, without Zinc Oxide, the world would be devoid of spintronics!

      --
      http://www.beanleafpress.com
  35. Explanation... by Cpt_Corelli · · Score: 4, Informative
    As another poster mentioned earlier, this type of material has been creted earlier, but had to be kept at a temperature below -101 deg Celsius to function. A more detailed look at this field is available here.

    This article (from feb 2003) mentions that one of the major obstacles is making it work at room temperature which now has been achieved. Apparently this is a huge breakthrough.

    1. Re:Explanation... by brarrr · · Score: 1

      not really... ZnO is a II-VI semiconductor, while the other materials you're talking of are III-V conductors. there are many other room temp 'spintronic materials' such as ZnO:Co, TiO2:Co and so on. this is just another in a list, although promising. my lab has made room temp DMS of ZnO:Co (goes up to greater than 75C, and publication is in process... but any news is good news when you're in a relatively new field

      --
      to email me: take my /. handle and append .net preceded by charter.
  36. semi-conductor _and_ magnetic properties? by eddy · · Score: 1

    New material. Got that. But what makes it so special?

    It's both a semi-conductor and have sought after magnetic properties. Is it possible that provious materials were one or the other, but never both?

    [mod limit: 2]

    --
    Belief is the currency of delusion.
  37. Not new, improved by Hittite+Creosote · · Score: 3, Informative

    Just to be clear, they aren't the first to look at Mn-doped ZnO as a spintronic material - people have been working on this material since the 1990s. Theoretical work by researchers at Tohoku University in Japan and others predicted that Md-doped ZnO could work at room temperature. After which, Others started work investigating the properties, and trying to improve the fabrication of the material to reach ferromagentism at higher temperatures.

    1. Re:Not new, improved by OxideBoy · · Score: 1

      FWIW, gallium manganese nitride is supposed to have a Curie temperature of several hundred degrees too. Both ZnO and GaN are hard to make into devices, though.

  38. But will they teach me to type... by Hittite+Creosote · · Score: 1
    > Md-doped ZnO

    Aargh, I've done it again. The worst thing is, my job for the next three years is looking at Mn-doped semiconductors, and I can't even type the damn description properly!

    1. Re:But will they teach me to type... by Xilman · · Score: 2, Funny
      Perhaps your subconscious is trying to tell you something.

      It's a pity Mendeleevium has such a short half-life, or you could try the experiment and see if it works even better than Manganese.

      Paul

      --
      Lasciate ogne speranza, voi ch'intrate
  39. Re:So this means.... by HarryCallahan · · Score: 1

    You mean like nothing can go wrong so it won't? Or an infinite number of possible wrongs will go wrong?

  40. "640K of memory should be enough for anybody..." by mynickwastaken · · Score: 1

    I think thousand of gigs of non-volatile memory will be NOT enough for WindowsWhatever to fill out the entire memory. Gates memory

  41. Re:Here is a good example of spintronics. by HarryCallahan · · Score: 1

    Scientists are now attempting to utilise San Francisco as a massive data storage solution, they expect they can store over 125 gigabytes using this new Spintronic effect.

  42. Re:"Not previously available"? Explain please! by rdslater596 · · Score: 1

    What they mean is that they have discovered ferromagnetic ordering in semiconductors at room temperature. Translation--"magnetic" behavior in semiconductors at room temperature. MRAM and hard drives all use ferromagnetic conductors or "Magnetic" metals

    --
    Cthulhu for president!
  43. Don't forget... by StarKruzr · · Score: 3, Interesting

    It uses less power, too. MRAM is going to revolutionize every aspect of computing... big-horsepower things like PCs, yes, but ESPECIALLY PDAs.

    I can't wait.

    --

    +++ATH0
  44. Swedish by Anonymous Coward · · Score: 2, Funny

    Am I the only one who clicked on the Swedish link and got a flashback to muppets?

    1. Re:Swedish by jordanda · · Score: 1

      Det gjorde jag inte.

  45. 150 degrees Celcius by thorgil · · Score: 4, Informative

    The new material is said to keep it special abilities at temperatures up to 150 degrees C.

    --
    Warning: This sig contains a small bug. ==> *
    1. Re:150 degrees Celcius by JediTrainer · · Score: 1

      The new material is said to keep it special abilities at temperatures up to 150 degrees C.

      So you're saying that this technology won't be of any use to AMD, right?

      Oww! Oww! I'm sorry! Stop hitting me!

      --

      You can accomplish anything you set your mind to. The impossible just takes a little longer.
  46. And just like when "everyone" does photo editing by Nino+the+Mind+Boggle · · Score: 2, Insightful

    . . . or composes their own music on their computer, the vast majority of it sucks.

    But the fact that it allows anyone with the desire to get into it without a high "cost" of entry, that's a good thing. Used to be that everyone made their own music (no radio, no records), they didn't need a "professional" to do it for them. Yeah, not everyone was a Padrewski, or whatever, but they did it themselves, and they liked it, by gum. A little more of a do it yourself mentality wouldn't be a bad thing.

    --
    ------ "Darn floor. Big bite." (Koko the gorilla's best attempt at explaining the experience of an earthquake.)
  47. Re:"Not previously available"? Explain please! by Theaetetus · · Score: 1
    According to the story, the universities have developed a new material for Spintronic devices, something not previously available at room temperatures. What? You mean like IBM's harddrives (from 1997), or the Infineon MRAM it hopes to being to market next year, both of which are mentioned in one of the linked stories.

    Heh. Problem parsing the line - it's the new material that wasn't previously available at room temperatures, not the devices. ;)

    -T

  48. I didn't think.... by siskbc · · Score: 1

    ...we were already able to dope semiconductors with small mid-Atlantic states like Maryland. I figured we'd start with something like Hawaii.

    --

    -Looking for a job as a materials chemist or multivariat

  49. What keyboard are you using? by siskbc · · Score: 1

    "D" and "N" aren't near each other on my trusty QWERTY, and aren't even on the same finger/opposite hand.

    --

    -Looking for a job as a materials chemist or multivariat

    1. Re:What keyboard are you using? by Hittite+Creosote · · Score: 1

      Don't blame my fingers, they're only following orders.

  50. Um, nope by Anonymous Coward · · Score: 2, Interesting

    It means that in 5 years, Moore's Law will stall out. Industry giants like Intel will refuse to make the huge investment to bring spintronics and other technology to market. Moore's Law will only continue at a crawl, and it will become only a function of heat sink size and weight. Processors 10x faster will only be so because their HSF will be 10x bigger. Prepare for extremely heavy desktop towers that become hot to the touch because the case itself becomes the heat sink.

    1. Re:Um, nope by julesh · · Score: 1

      Counter to the counter: Car companies could have made much better and more profitable cars if they switched away from gasoline a decade ago.

      No they couldn't. The car market was (is) resistant to change. Even now, LPG fuelled vehicles are more efficient, cleaner and cheaper to run than traditional petroleum spirit vehicles, and have little if any performance difference, but does anybody buy them?

    2. Re:Um, nope by dedalus2000 · · Score: 1

      I find that unlikely considering the more chips they can fit on a wafer of silicone the less each chip costs to make. so biger chips = higher costs = smaller market share = less profit. I'm sure Intell and the other manufacturers will fight the adoption of alternative materials considering the investment they've made in silicone but ultimately consumer demand will win out, the cost of not adopting new technologys (meaning loss of revinue as other companys fill the neich market neich ) will be higher than the investment required to adopt the new material.

      much like biological evolution technological evolution isn't focused on makeing something that is better only in retaining resources in the case of technology those are in the form of capatal, resources are retained by seeking out market neiches areas of unmet demand there is a growing area of demand for high powered processers and high density storage that demand will continue if Intel can't fill it then some other company will.

      --
      My keyboads not woking popely.
  51. Latin rammar nazi alert by hak+hak · · Score: 1

    That would be "in abstracto"...

    1. Re:Latin rammar nazi alert by zaxus · · Score: 1

      Latin rammer == Argentinian porn star?

      --
      /. zen: Imagine a Beowulf cluster of Beowulf clusters...
  52. Re:MOD POST AS "SPECULATIVE" by meatspray · · Score: 1

    too much time on my hands!

    "10 Terabytes: Printed collection of the U. S. Library of Congress" --appears to be the public standard estimate for the LOC unit***

    1250000(GB/screen)/10000GB = 125/screen (LOC)
    1600px * 1200px = 1920000 px
    1920000px / 125LOC = 15360 px/LOC ~ 124^2 px

    At your estimations that's about 125 LOC's on a screen, it's gonna take a little more than a . to store it. Something more to the tune of 124x124 pixels. Yes I know these numbers have almost no base in reality, just perpetuationg the maddness cause it's fun!

    ***
    http://www.sybase.com/detail?id=1019041
    ht tp://www.google.com/search?q=Printed%20collectio n%20of%20the%20U.%20S.%20Library%20of%20Congress%2 0terabytes&sourceid=mozilla-search&start=0&start=0 &ie=utf-8&oe=utf-8
    http://www.upgradepress.com/wh atis/0602_gigabit.ht m
    http://www.jamesshuggins.com/h/tek1/how_big.htm

  53. New material for what?! (OT?) by jabber01 · · Score: 2, Funny

    At first glance, I misread that as reading "New Material for Sphincters Discovered".

    The obvious comment, which I was (and obviously still am) morally compelled to make was: "Well it's about time! That manned mission to Uranus has been on the drawing board for decades!" or something to that effect.

    Yes, well... As you were.

    --

    The REAL jabber has the user id: 13196
    What you do today will cost you a day of your life

  54. Re:MOD POST AS "SPECULATIVE" by heironymouscoward · · Score: 1

    Ah, sir, I beg to correct you.

    You have confused the two basic units of LOC conversion, the "screen" and the "pixel". The theoretical data capacity of 1 pixel was 1.25e6 bytes, so 125LOC/pixel.

    Which, as I have said earlier, is within the limits of LOC estimation.

    --
    Ceci n'est pas une signature
  55. Re:In other words by Patrik_AKA_RedX · · Score: 1
    Step 2. Humans will not have to use computers any more.
    Right, and how would we play solitaire then?
  56. Manga-nite? by theCat · · Score: 1

    This sounds like something out of a Japanese graphic novel.

    --
    =^..^= all your rodent are belong to us
  57. Re:MOD POST AS "SPECULATIVE" by meatspray · · Score: 1

    oops my mistake, I missed the third from the last sentence fragment :)

  58. The answer: slower code. by hypnagogue · · Score: 2, Funny

    In the eternal struggle between hardware engineers trying to make everything faster, and software engineers trying to make everything slower, the hardware engineers have struck yet another grave blow.

    Fortunately, I'm hard at work on a new O(n^2) sort algorithm:

    1) Completely randomize list.
    2) In order traversal looking for out-of-order entries. If one is found return to step 1.

    It's no slower than bubble sort, but it eliminates those pesky "best cases".

    I'm also planning an operating system that uses an XML-based executable format, and "network RAM" protocol that uses XSLT to access memory paged over an HTTP connection.

    Admittedly, it's a big project. We are going to need lots of volunteers if we want to get there before Longhorn.

    --
    Liberty you never use is liberty you lose.
    1. Re:The answer: slower code. by CrackHappy · · Score: 1

      This just killed me. Esp. the XSLT memory paging over HTTP. WOOHOO now that's what I call distributed computing. Someone mod parent as funny.

      --
      1f u c4n r34d th1s u r34lly n33d t0 g37 l41d Capitalization really works: i helped my uncle jack off a horse
    2. Re:The answer: slower code. by bodan · · Score: 1
      1) Completely randomize list.
      2) In order traversal looking for out-of-order entries. If one is found return to step 1.
      If you're using a list, not a vector, you really should consider using a binary search somewhere around there. It does wonders for efficiency.
      --
      "I think I am a fallen star. I should wish on myself."
  59. What's new about this discovery by robj · · Score: 1

    This SciAm article describes three categories of ferromagnetic materials. The first two are ferromagnetic alloys (which are what make up MRAMs and other current ferromagnetic tech), and ferromagnetic semiconductors. This team has discovered the first room-temperature (or higher) ferromagnetic semiconducting material, hence opening the way for spin switching and computing.

  60. and now juice by spectrokid · · Score: 1

    If the swedes now can find out how to keep their powerplants up and running....

    --

    10 ?"Hello World" life was simple then

    1. Re:and now juice by dedalus2000 · · Score: 1

      yeah but if the power goes out at least the processor will maintain it's state.

      --
      My keyboads not woking popely.
  61. Another pedant writes... by Tintivilus · · Score: 1

    I'd further suggest that Md-doped would mean Mendelevium doped, not Mangenese doped... seeing as Md is mendelevium, not manganese.

  62. Or Minnesota... by KnarfO · · Score: 1

    Clearly the author has corrected theirself to indicate that indeed, Maryland was in fact too complex a proposition. The correct state for primative doping is Minnesota.

    :-P

    --


    "Creativity is allowing ones self to make mistakes. Art is knowing which ones to keep" - Scott Adams
  63. Reality Dysfunction?? by Nazghul1972 · · Score: 1

    We only need that some one get the afinity gene and also to some one to discover the ZTT jump. The base for neural nanonics are here!!! By the way I'm a great fan of Peter Hamilton space opera "The Night's Down Trilogy", and I agree, we have enough power in our PC for years to come (you only need to convice your boss of that) the real achivement will be to make things smaller, realy smaller. Just my $2c. Nazghul

  64. Re:In other words by Guppy06 · · Score: 1

    "Computers will operate at the speed of light in the future."

    IIRC, if you play your cards right you can use spintronics to make a computer that operates faster than the speed of light.

  65. AC by crumbz · · Score: 1

    Sometime reading Slashdot makes me feel like I am playing Alpha Centauri, but in real life. Where is my singularity drive?