--- Log opened Tue Sep 07 00:00:17 2010 | ||
joshcryer | Memresistor talk: http://www.youtube.com/watch?v=bKGhvKyjgLY | 00:07 |
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joshcryer | Watching it now, not sure if it's any good. :) | 00:07 |
joshcryer | (it's good) | 00:13 |
CryptoQuick | twss | 00:14 |
joshcryer | omg it's a chemical change | 00:22 |
joshcryer | that's so amazingly cool | 00:22 |
CryptoQuick | :'T | 00:22 |
joshcryer | 14 mins in | 00:23 |
joshcryer | now to see how long the memresitor holds its state | 00:24 |
joshcryer | a day? | 00:24 |
joshcryer | a hundred days? | 00:24 |
CryptoQuick | whiaouw! www.google.com | 00:25 |
jmil | good job, thanks! | 00:25 |
jmil | interesting | 00:25 |
jmil | is that javascript? | 00:25 |
CryptoQuick | jmil: HTML5 + JS, yeah | 00:26 |
jmil | joshcryer: what's a memresistor? | 00:29 |
jmil | he lost me in the first sentence | 00:29 |
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QuantumG | it's a device that couples flux to charge with a state | 00:30 |
CryptoQuick | basically, it's a flux capactor. | 00:30 |
QuantumG | yes | 00:31 |
joshcryer | jmil, short explaination, by pushing current through it, it will change its resistance, ie, scalar change. So you can tweak the resistance it holds arbitrarily. He doesn't say how long the state is held, however, it happens due to oxygen ion transfer between two layers, it could last a fairly long time. | 00:31 |
CryptoQuick | until you light it on fire | 00:32 |
QuantumG | joshcryer: at 21 minutes he says "at least in theory the state has a geological lifetime" | 00:32 |
jmil | so why do you need it? | 00:33 |
joshcryer | QuantumG, I heard that but I wasn't sure he meant that! | 00:33 |
joshcryer | I mean, wow. | 00:33 |
joshcryer | That's epic. | 00:33 |
jmil | isn't that a transistor? | 00:33 |
QuantumG | transistors don't have anything to do with flux | 00:33 |
QuantumG | (and they're not fundamental) | 00:33 |
joshcryer | he says the state has an infinite lifetime at 25min | 00:33 |
jmil | oh flux capacitor, i know all about that yeah | 00:33 |
CryptoQuick | "it's what makes time travel possible" | 00:34 |
joshcryer | jmil, it will let you save data at dram-like speeds. | 00:34 |
QuantumG | with nanoscale components | 00:34 |
CryptoQuick | yeah, it's gonna be real cool in ten years when you can put an ARM chip in your SSD and call that your computer | 00:35 |
katsmeow-afk | they been working on memristors for a decade, HP "made a breakthru" a few yrs ago, still nothing on the market to buy tho | 00:35 |
joshcryer | 20 gb in 1cm | 00:35 |
joshcryer | katsmeow-afk, the early ones were super slow | 00:36 |
katsmeow-afk | i know | 00:36 |
joshcryer | and he didn't discover the TiO2 approach until 4 years ago | 00:36 |
jmil | katsmeow-afk: correction: "still nothing to buy tho"... just buy HP | 00:36 |
katsmeow-afk | bottom line: when's Mouser going to sell them? | 00:37 |
joshcryer | probably before 2015? | 00:37 |
* katsmeow-afk nods | 00:37 | |
joshcryer | I saw an article that said they were going to make them "in 3 years" and it was a 2010 article | 00:37 |
joshcryer | let me find it | 00:37 |
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katsmeow-afk | i saw an article saying the same thing! in 2009 , 2008, 2007, etc | 00:38 |
joshcryer | http://www.nytimes.com/2010/04/08/science/08chips.html?hpw | 00:38 |
joshcryer | He said the company could have a competitor to flash memory in three years that would have a capacity of 20 gigabytes a square centimeter. | 00:38 |
joshcryer | fair enough | 00:38 |
katsmeow-afk | flash? last i heard they were skipping flash and going for desktop/laptop ram | 00:39 |
joshcryer | this thing could save data for thousands of years | 00:39 |
katsmeow-afk | Published: April 7, 2010 | 00:39 |
joshcryer | with no batteries | 00:39 |
joshcryer | there's your space probe chip right there :P | 00:40 |
CryptoQuick | well, how does it do against radiation? | 00:40 |
joshcryer | bury it in a chunk of lead :P | 00:40 |
katsmeow-afk | i understand memristors, i even seem to remember something about them from Science magazine in the 1970s, but no oneis selling them <shrug> | 00:40 |
joshcryer | katsmeow-afk, this video is claiming that flash can't shrink much more than it already is so memresistors would be ideal for flash | 00:40 |
QuantumG | Recently, a simple electronic circuit consisting of an LC network and a memristor was used to model experiments on adaptive behavior of unicellular organisms. It was shown that the electronic circuit subjected to a train of periodic pulses learns and anticipates the next pulse to come, similarly to the behavior of slime molds Physarum polycephalum subjected to periodic changes of environment. | 00:41 |
joshcryer | but granted it's a 9 month old video | 00:41 |
joshcryer | memresistors are so much win | 00:41 |
joshcryer | memristors | 00:41 |
joshcryer | (that's going to be hard to learn to spell properly) | 00:41 |
QuantumG | http://pre.aps.org/abstract/PRE/v80/i2/e021926 | 00:42 |
CryptoQuick | moar liek memeristor | 00:42 |
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joshcryer | don't think I could make my own memristor though | 00:43 |
jmil | i don't get it, my memory is fine | 00:43 |
joshcryer | the effect fails at anything very much beyond nanoscale | 00:43 |
QuantumG | joshcryer: I can see the catchphrase already "now you can see the doping vacancies inherent in the system!" | 00:43 |
jmil | oh, what day is it now? | 00:43 |
joshcryer | omfg! | 00:44 |
joshcryer | 36 mins in | 00:44 |
joshcryer | "petabits in 1cm^2" | 00:45 |
QuantumG | stored for geological timescales! | 00:45 |
joshcryer | ok crazy guy is hyping this beyond comprehension | 00:45 |
CryptoQuick | radiation and flame resistant! | 00:45 |
joshcryer | but he sounds like he knows what he's talking about! | 00:46 |
joshcryer | :O | 00:46 |
QuantumG | omg, that's incredible if it works.. I want my memristor non-volatile memory that is faster than sram and stores data for longer than the Earth will be around. | 00:48 |
joshcryer | haha | 00:48 |
QuantumG | I wonder if you can grow memristor memory crystals in a petri dish too | 00:49 |
joshcryer | what bugs me is that I'm not getting a geniunely crazy vibe from this guy | 00:49 |
jrayhawk | jmil: does the git snapshot cron thing you wanted still need doing? | 00:49 |
jrayhawk | if so, please describe it in detail. | 00:49 |
QuantumG | joshcryer: it's because he explains *everything* | 00:51 |
joshcryer | "hey we gunna put a brain in a 1cm^2 chip kthx" | 00:51 |
QuantumG | at 39 minutes he's explaining Mathematica | 00:51 |
joshcryer | QuantumG, yeah, he's not leaving anything out, and that turns down the BS meter. | 00:51 |
QuantumG | seriously, these things are so simple, and at the right scale, that I bet there are crystals you can grow that are memristors | 00:52 |
jmil | jrayhawk: ya i have the script written in my home dir | 00:52 |
jmil | i just need to throw it in my crontab | 00:52 |
katsmeow-afk | and then lay down the copper, and opamps, and stuff? | 00:53 |
joshcryer | aww he ran out of time :( | 00:53 |
jmil | cat /home/jsmiller/reprap_git_SVN.sh | 00:53 |
joshcryer | skipped some good slides | 00:53 |
jmil | it needs to be in my crontab tho | 00:53 |
jmil | jrayhawk: | 00:53 |
jrayhawk | Is there an http namespace set up for you to throw the results in? I haven't checked up on what you and Bryan have been up to in a while. | 00:53 |
jmil | jrayhawk: it needs to be in my crontab | 00:53 |
QuantumG | like, Avogadro's numbers of memristors. | 00:53 |
jmil | jrayhawk: oh the results are automagically pushed to the SVN branch | 00:54 |
QuantumG | interconnected in some defined way. | 00:54 |
jmil | so nothing else is needed | 00:54 |
jrayhawk | ah | 00:54 |
jmil | except to put it in my crontab for running every 15 min | 00:54 |
jmil | 15 min is actualy preferable to every 5 min in case of network congestion | 00:54 |
* joshcryer favorites that video | 00:55 | |
jmil | which could cause git failure | 00:55 |
QuantumG | 10^11 synapses on a cm^2 chip :) | 00:55 |
QuantumG | that video is gold | 00:56 |
joshcryer | it really is | 00:56 |
joshcryer | wow. | 00:56 |
jmil | jrayhawk: i think i added to my crontab... | 00:57 |
jmil | anyway to tell if it is running? | 00:57 |
jmil | maybe i should have it log somewhere? | 00:57 |
QuantumG | he talks about photonics at the end.. it's all optic fibres and memristor crystals in the future. | 00:57 |
QuantumG | sci-fi everywhere got it right. | 00:57 |
jmil | because i don't know if i edited my crontab correctly jrayhawk | 00:57 |
jmil | or if my crontab is active | 00:58 |
jmil | evnen | 00:58 |
jmil | even | 00:58 |
joshcryer | omg voyager's neural gel packs are memristors | 00:58 |
jrayhawk | man 5 crontab | 00:58 |
jrayhawk | the "MAILTO" variable is probably the thing you want | 00:59 |
jrayhawk | Any thing going to stdout will wind up mailed to you. | 00:59 |
jrayhawk | Assuming you set MAILTO to your address. | 00:59 |
jrayhawk | Otherwise I think it'll wind up emailing me, if I understand the mail system correctly. | 00:59 |
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jrayhawk | http://gnusha.org/logs/2010-09-07.log if you missed anything | 01:02 |
QuantumG | http://scholar.google.com.au/scholar?hl=en&q=memristor&as_sdt=2000&as_ylo=2010&as_vis=0 | 01:03 |
QuantumG | so much arxiv.org | 01:04 |
QuantumG | Memristor MOS Content Addressable Memory (MCAM): Hybrid Architecture for Future High Performance Search Engines | 01:04 |
jmil | jrayhawk: ok thx | 01:04 |
jmil | i'm not gonna do the mail thing i think, b/c i don't think either of us want an email every 15 min | 01:04 |
QuantumG | Memristor-based pattern recognition for image processing: an adaptive coded aperture imaging and sensing opportunity | 01:05 |
jmil | just knowing that my crontab should be working is good, i'll wait for adrian's next push into SVN and then check the cgit on gnusha | 01:05 |
jmil | to see if it updated the SVN branch | 01:05 |
Utopiah | jmil: I didn't read the whole story but I see SVN and crontab, did you consider hooks? | 01:05 |
jrayhawk | Your git commands do not have -q, so it is going to be emailing *someone* | 01:05 |
jmil | wha? | 01:06 |
jmil | Utopiah: i don't have access to SVN repo | 01:06 |
jmil | only can pull from it | 01:06 |
jmil | jrayhawk: stdout always gets mailed for crontab? | 01:06 |
jrayhawk | Yeah. Some people just close stdout, but sometimes useful diagnostic stuff winds up there. | 01:07 |
jrayhawk | git is made well enough for this; just add -q to all your commands. | 01:07 |
jrayhawk | It'll only print errors. | 01:07 |
QuantumG | "neuromorphic computing" | 01:08 |
jmil | jrayhawk: ok, done. just ran script manually, only output is result of pushing | 01:08 |
jmil | lemme know if i should turn it off more | 01:10 |
QuantumG | http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.163.1951&rep=rep1&type=pdf nice short paper | 01:12 |
jmil | jrayhawk: if you get too many mails (every 15 min?) | 01:12 |
jmil | i unfortunately don't know how to use pine, so i can't check email easy on command line | 01:13 |
jrayhawk | Well, | 01:17 |
jrayhawk | presumably you would have it MAILTO=jrdnmlr@gmail.com | 01:17 |
jmil | how do i do that? | 01:18 |
* jmil shrugs like a newbie | 01:18 | |
jrayhawk | man 5 crontab | 01:19 |
joshcryer | QuantumG that is a god awful disturbing amazingly awesome paper. | 01:19 |
jmil | why is there a 5 there? | 01:19 |
jrayhawk | man man | 01:20 |
jmil | whatis man | 01:20 |
jmil | that's a good xkcd i think | 01:20 |
jmil | lol | 01:20 |
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jrayhawk | man man is also an excellent band | 01:25 |
jmil | excellente, will look it up | 01:26 |
jmil | got to see a man about a horse | 01:26 |
jmil | laterz peeps | 01:27 |
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joshcryer | http://www-03.ibm.com/press/us/en/pressrelease/32414.wss | 04:00 |
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QuantumG | http://www.youtube.com/watch?v=Z5UTRTOfgo4&feature=related explains it even more | 04:38 |
joshcryer | QuantumG <3 | 04:43 |
joshcryer | Thanks. | 04:43 |
joshcryer | I have to work soon though. :/ | 04:43 |
QuantumG | btw | 04:44 |
QuantumG | tonight, 7pm PDT, Propellant Depots talk on The Space Show | 04:44 |
QuantumG | Dan Adamo is planning to blow LEO prop depots out of the water. | 04:45 |
joshcryer | :) | 04:48 |
joshcryer | Might check it out, but I expect to fall asleep as soon as I get home. | 04:48 |
QuantumG | how far east are you? | 04:48 |
joshcryer | Just an hour. | 04:48 |
joshcryer | I'll be just getting in, having something to eat, and passing out. :) | 04:49 |
QuantumG | k. | 04:49 |
QuantumG | enjoy | 04:49 |
joshcryer | Slept all day Labor Day (American Holiday here), and been up all night. | 04:49 |
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QuantumG | ya know | 04:51 |
QuantumG | it is funny | 04:51 |
QuantumG | what this guy is saying is that all the talk about "Oh Noes! Moore's Law breaks down at the nanoscale!" | 04:51 |
QuantumG | == memristors | 04:52 |
QuantumG | congrats, you just graduated to the next level | 04:52 |
joshcryer | You knew about 'em before I mentioned 'em though right? | 04:58 |
joshcryer | Seems like there's a crapload of new stuff out (I was browsing arxiv earlier), but I admit I just forgot about them until last night. | 04:58 |
QuantumG | I'd heard the term and understood it at the "what is it?" level | 04:58 |
QuantumG | I had no idea how it worked | 04:58 |
joshcryer | I knew that they did transition states and were possibly useful for a ternary computing system. | 04:59 |
joshcryer | But screw ternary computing now that we have synapse computing! | 04:59 |
joshcryer | !!!!! | 04:59 |
QuantumG | 111one | 04:59 |
QuantumG | "the width of the tunnel barrier is the state variable" | 05:04 |
QuantumG | "tremendously non-linear, the tunnel barrier is an exponential of an exponential" | 05:07 |
QuantumG | "these circuits use picojoules" | 05:08 |
joshcryer | :O | 05:17 |
joshcryer | I'm putting this on my netbook. | 05:18 |
QuantumG | last year 100 memristors was fabricated into a CMOS FPGA | 05:18 |
joshcryer | It just finished downloading. | 05:18 |
joshcryer | gtg, thanks again QuantumG | 05:19 |
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Utopiah | does the SeaStanding project has refs. to the Navy Seabasing (Carderock, http://www.onrglobal.navy.mil/public/about/conferences/rd_partner/2007/docs/thursday_070802/Sea_Basing_Enablers_INP_Cooper.ppt ) | 07:25 |
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kanzure | < jmil> jrayhawk: oh the results are automagically pushed to the SVN branch | 07:44 |
kanzure | for the record, that sounds like an awful idea | 07:44 |
jmil | why? | 07:44 |
kanzure | you mean you're pushing .tar.gz files into svn? and the .tar.gz files are copies of the repository? | 07:44 |
jmil | i do it all the time | 07:44 |
jmil | no no no | 07:44 |
jmil | i named an SVN branch in the git repo | 07:44 |
jmil | that should only ever be remote tracking of the reprap SVN official repo | 07:45 |
jmil | other commits go into master | 07:45 |
jmil | periodically i will manually merge into master | 07:45 |
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jmil | http://diyhpl.us/cgit/reprap/ | 07:46 |
jmil | two branches, "master" and "SVN" | 07:46 |
jmil | kanzure: you see what i mean? | 07:47 |
jmil | here's the original manual for doing this: | 07:47 |
jmil | http://www.fnokd.com/2008/08/20/mirroring-svn-repository-to-github/ | 07:47 |
kanzure | this isn't the thing that adrian was asking for | 07:49 |
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kanzure | or am i confused? | 07:50 |
kanzure | http://vimeo.com/10719012 Hojun Song "Open Source Satellite Project" (Lift Asia09 EN) | 07:54 |
kanzure | http://www.hhjjj.com | 07:54 |
kanzure | http://opensat.cc/ | 07:54 |
jmil | kanzure: you are confused i think... | 08:00 |
jmil | forward-compatible tracking of SVN repo to include legacy devs who take a very long time to switch to git is one of my design criteria for the git reprap repo | 08:01 |
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kanzure | jmil: yeah but wasn't adrian asking you to make some way to download individual folders without git commit history or something? | 08:16 |
kanzure | i'm so confused | 08:16 |
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kanzure | http://www.smlib.com/ | 10:41 |
kanzure | http://www.smlib.com/smlib.html has an interesting overview of a non-manifold topology library that "also does NURBS" | 10:41 |
kanzure | "In theory, BREP modelers could build any real part that could be manufactured. A model consisting of a cylinder lying on a box can not be manufactured since the region of contact between the two parts is just a line." | 10:41 |
kanzure | "In 1986 Kevin Weiler published his PhD thesis titled "Topological Structures for Geometric Modeling" and in it he generalized the twin edge boundary edge representation into a radial edge representation together with the ability to include points and curves." | 10:42 |
CryptoQuick | computers can be really dumb sometimes | 10:42 |
CryptoQuick | "how do I put a cylinder inside a box" | 10:42 |
CryptoQuick | durr hurr | 10:42 |
kanzure | oh lovely they have a warped concept of what "open source" means | 10:52 |
kanzure | "All of the software and documentation received with this release of SMLib is copyrighted by either Solid Modeling Solutions, IntegrityWare or GeomWare Inc(s). You may not distribute source code or documentation for this software outside of the company and the site which owns the license." | 10:52 |
kanzure | " The standard license agreement allows you to freely distribute object code in any application which does not contain a programmatic interface. All software and documentation is considered proprietary information and the intellectual property of Solid Modeling Solutions, Inc., IntegrityWare, Inc., and GeomWare Inc." | 10:52 |
kanzure | "This document contains trade secret information which these companies deem proprietary." | 10:53 |
kanzure | ugh | 10:53 |
kanzure | non-manifold data structures and operators http://web.archive.org/web/20030501141918/http://www.eecis.udel.edu/~gwaltz/db/ | 10:55 |
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kanzure | does this look like a solidworks importer to anyone else? | 11:12 |
kanzure | https://svn.mcs.anl.gov/repos/ITAPS/cgm/trunk/geom/SolidWorks/SWImport.cpp | 11:12 |
kanzure | seems to import a solidworks dll file though | 11:12 |
kanzure | https://svn.mcs.anl.gov/repos/ITAPS/cgm/trunk/geom/SolidWorks/SWImport.hpp | 11:12 |
kanzure | no clue what DLIList.hpp is. | 11:13 |
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kyledrake | Hi, does Bryan live here? I'm seeking python EPOC hacking information. | 17:44 |
QuantumG | he does | 17:46 |
QuantumG | and was just here.. so probably isn't far away | 17:46 |
QuantumG | kanzure | 17:47 |
kanzure | rawr | 17:50 |
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QuantumG | python EPOC hacking? | 17:52 |
kanzure | emotiv epoc, the eeg headset | 17:54 |
QuantumG | "Dynetics" it only sounds like an evil megacorporation. http://dynetics.com/employee-ownership.php | 18:05 |
kyledrake | QuantumG: Thanks! | 18:11 |
kyledrake | kanzure: I'm trying to do some EPOC research, without having to get into .NET | 18:11 |
kyledrake | kanzure: I just need raw EEG data for the most part | 18:12 |
kyledrake | So yeah.. I'm very interested in the python development stuff mentioned here: http://www.emotiv.com/forum/forum4/topic97/ | 18:16 |
jrayhawk | The services Bryan normally uses for hosting stuff are down, so it'll probably take him a bit to get that back up somewheres. | 18:22 |
kanzure | kyledrake: http://diyhpl.us/irc/emotiv/epoc/kanzure_emotiv_epoc_egg.dat | 18:34 |
kanzure | or just dig around in http://diyhpl.us/irc/emotiv/epoc/ | 18:34 |
kanzure | kanzure_emotiv_epoc_eeg.dat is unfortunately in the encrypted format | 18:34 |
kyledrake | kanzure: Thanks! | 18:35 |
kyledrake | kanzure: Encrypted format? I've heard of this, I'm confused as to what it means | 18:35 |
kanzure | AES encryption is applied on top of the EEG readings | 18:36 |
kanzure | presumably somewhere in the epoc software it's unencrypted and then parsed (somehow) | 18:36 |
kyledrake | kanzure: You can't get raw EEG data? I don't see how you can program for this thing then. I've heard that the development version doesn't do this, but I was told that by someone not fluent in programming | 18:38 |
kanzure | they have an sdk or something where you interface with their dll files or something | 18:39 |
kanzure | but i'm not a windows user so it's useless | 18:39 |
kanzure | (and no running it under wine doesn't sound like a good idea) | 18:39 |
kyledrake | kanzure: http://www.emotiv.com/forum/forum4/topic806/ <- Apparently its just so they can charge more for the other ones. Jesus these guys aren't shady. | 18:40 |
kanzure | heh | 18:40 |
kanzure | btw we've talked about the eeg stuff a few times before in here | 18:40 |
kanzure | http://gnusha.org/logs/2010-03-05.log | 18:40 |
kanzure | http://gnusha.org/logs/2010-07-08.log | 18:40 |
kanzure | http://gnusha.org/logs/2010-07-18.log | 18:40 |
kanzure | http://gnusha.org/logs/2010-08-23.log | 18:41 |
kyledrake | kanzure: Awesome, thank you so much. I have access to the "research" version, so I'm going to try to get it to spit out raw eeg. I'll share my code with you when I get it working | 18:42 |
jrayhawk | Distributing circumvention tools is legally dangerous; I would suggest you do so anonymously if you get that far. | 18:44 |
kyledrake | jrayhawk: Duely noted. | 18:44 |
kyledrake | jrayhawk: I -think- it will spit out non-encrypted data for this version I have. Not sure yet. I'm going to try for it this weekend | 18:45 |
kanzure | there is also the other working hypothesis that there is no encryption and i just can't figure out their datastream format | 18:47 |
kyledrake | kanzure: No, there is encryption. My colleague was accurate, the non-500 dollar ones have some kind of weird ugly encryption scheme going on | 18:48 |
QuantumG | The Space Show is starting now, tune in, hear Dan Adamo talk about propellant depots: how to make them work, and not. http://bit.ly/aAWpCJ | 19:02 |
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kanzure | by depots you mean cement bunkers? | 19:03 |
katsmeow-afk | concrete | 19:03 |
QuantumG | on-orbit ones :) | 19:04 |
katsmeow-afk | sand - plaster - mortar - "cinder block" - cement - concrete | 19:05 |
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joshcryer | Memristors are going to change everything. | 20:56 |
bkero | RISC architecture is going to change everything. | 21:01 |
bkero | Yea, RISC is good. | 21:01 |
joshcryer | Memristors are way more simple than RISC man! | 21:03 |
joshcryer | And way more awesome. | 21:03 |
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joshcryer | http://www.youtube.com/watch?v=4E4oq4wy2Uo | 21:13 |
Daeken | katsmeow-afk: i'm gonna have an epoc by early next week at the latest :D | 21:14 |
Daeken | err | 21:15 |
Daeken | kanzure, rather :P | 21:15 |
katsmeow-afk | epoc? | 21:15 |
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Daeken | ( http://emotiv.com/ ) sorry, mis-tab-completed :P | 21:15 |
katsmeow-afk | np | 21:16 |
Alystair | Daeken: you got one of those bad boys ordered | 21:20 |
Alystair | ? | 21:20 |
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