| --- Day changed Thu Jan 22 2009 | ||
| fenn | i dont see how a cylinder is optimal for anything | 00:00 |
|---|---|---|
| genehacker | I've lived on a boat before, it's hard to sleep when the boat is rocking | 00:00 |
| fenn | boats rock because the ocean moves | 00:01 |
| fenn | therefore, anchoring your boat to the water doesn't sound like a good idea to reduce rocking | 00:01 |
| genehacker | the idea behind the barbell design is that your bouyancy is floating on top of the water where the waves are | 00:03 |
| fenn | i think you mean is not | 00:03 |
| genehacker | yeah | 00:25 |
| fenn | huh. "Polypropylene pellets can easily be obtained at craft supply stores in 2 lb. or 25 lb. bags ($50). (They are intended for use in creating weighted beanbag dolls.)" | 00:26 |
| fenn | better for tupperware than ldpe | 00:26 |
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| kanzure3 | http://lists2.ais.fraunhofer.de/pipermail/euron/2000-December/000010.html | 19:31 |
| kanzure3 | OROCOS historical email | 19:31 |
| kanzure3 | turns out that ME205 professor does some open source robot control software | 19:31 |
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| kanzure3 | http://www.orocos.org/ | 19:31 |
| kanzure3 | http://www.robotics.utexas.edu/rrg/research/manipd/ | 19:32 |
| kanzure3 | http://www.robotics.utexas.edu/simulations/ | 19:33 |
| kanzure3 | http://www.robotics.utexas.edu/simulations/sims.asp 3D model samples (though the page seems to want IE 6) | 19:33 |
| kanzure3 | http://www.robotics.utexas.edu/simulations/subjects/robotics/default2.asp ah, there we go | 19:33 |
| kanzure3 | yay. | 19:34 |
| kanzure3 | ME 372J (Robotics and Automation) and ME 384R (Geometry of Mechanisms and Robots) hm.. | 19:35 |
| kanzure3 | blah, I need to get into that lab :) | 19:36 |
| kanzure3 | http://www.robotics.utexas.edu/rrg/general/facilities/ | 19:36 |
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| kanzure | 00.0 | 20:04 |
| kanzure | .3 | 20:04 |
| kanzure | . | 20:04 |
| fenn | so, looks like there's going to be an igem team at iu this summer | 20:08 |
| kanzure | do the participants seem competent? a good advisor ? | 20:08 |
| fenn | the advisor is really clueful | 20:09 |
| kanzure | I'm considering banning marc. | 20:10 |
| fenn | his name is "ryan lee" and i think he's the head of the new iu "biotech" masters program | 20:10 |
| kanzure | argh, another "one line response" from Marc | 20:21 |
| kanzure | what the hell is up with this guy anyway? | 20:21 |
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| fenn | http://www.worldchanging.com/EarthlyIdeasLCA.jpg | 21:19 |
| fenn | units! | 21:19 |
| fenn | amazing isn't it | 21:19 |
| kanzure3 | hey for my spiral generator I should have used the tangent at that point on the spiral to determine the direction of the cross section | 21:25 |
| kanzure3 | fenn: who did this and how can I stalk them | 21:25 |
| ybit | yeah, what's w/ the resume posting | 21:26 |
| ybit | must be desperate for ajob | 21:26 |
| kanzure3 | ybit: his resume sucked anyway | 21:26 |
| kanzure3 | level 3 technical support? what the fuck, I mean, seriously.. | 21:26 |
| ybit | :P | 21:26 |
| kanzure3 | "information technology specialist" | 21:26 |
| kanzure3 | bwahah | 21:26 |
| ybit | he probably wasn't trying to show off, he's probably desperately in need of a job | 21:27 |
| kanzure3 | behold! as I answer your technical questions! | 21:27 |
| ybit | hehe, that was me way back when i had the ref librarian job | 21:27 |
| kanzure3 | I'm so sorry. | 21:27 |
| kanzure3 | my first job was saving the world from evil, kicking ass and taking names never. | 21:28 |
| fenn | agh these stupid email addresses always get me mixed up | 21:28 |
| kanzure3 | wha? | 21:28 |
| fenn | openmanufacturing@groups.google.com doesn't work | 21:28 |
| fenn | I demand a reason! | 21:28 |
| kanzure3 | @googlegroups.com | 21:28 |
| kanzure3 | because Google's a giant vagina. | 21:29 |
| kanzure3 | that's why. | 21:29 |
| fenn | a vagina? | 21:30 |
| kanzure3 | metaphorically? | 21:30 |
| kanzure3 | ok, maybe not. | 21:30 |
| ybit | :P | 21:36 |
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| kanzure3 | I did have an urge to post my resume after that though | 21:52 |
| kanzure3 | "young evil master mind seeks long term employment" ? | 21:52 |
| fenn | sounds wonky | 21:54 |
| fenn | why would an evil mastermind be seeking employment | 21:54 |
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| kanzure | fenn: presumably because his evil plan hasn't enough funding yet? | 22:19 |
| kanzure | Hi emlyno. | 22:19 |
| kanzure | fenn, how do you think a domino spiral algorithm would work? | 22:32 |
| genehacker | what do you mean? | 22:33 |
| kanzure | well remember the only thing wrong with my previous spiral generator was that the "dominoes" would be pointed in the wrong way at different parts of the spiral | 22:33 |
| kanzure | of course they weren't dominoes, but it's equivalent. | 22:33 |
| genehacker | oh | 22:34 |
| genehacker | yeah I remember | 22:35 |
| genehacker | did I tell you? I have reprap parts in the print queue | 22:35 |
| kanzure | neat, make me some copies :) | 22:35 |
| genehacker | well I can't really use a reprap in my dorm room because of the fire code... | 22:36 |
| kanzure | my lab will probably store it if you want | 22:37 |
| kanzure | if you want me to check, I mean. | 22:37 |
| fenn | der... domino spiral algorithm? | 22:37 |
| kanzure | or actlab will store it, that too | 22:37 |
| genehacker | I am not talking about storing it, I'm talking about using it | 22:37 |
| kanzure | fenn: to place dominoes in a spiral. | 22:37 |
| fenn | well, presumably you have some domino placing machine | 22:38 |
| kanzure | genehacker: well, IIRC it was the size of a desk, right? | 22:38 |
| genehacker | well I asked actlab about the reprap they had and I got no response | 22:38 |
| genehacker | yeah I think so | 22:38 |
| kanzure | fenn: right right, but I mean, my algorithm originally had them all facing the same direction | 22:38 |
| fenn | so tell that machine to move in a spiral, and poop out dominoes at regular intervals | 22:38 |
| kanzure | so at the edges they'd be all wrong | 22:38 |
| kanzure | blah | 22:38 |
| fenn | you have to rotate them | 22:38 |
| kanzure | I'm making an analogy, screw the domino placement machine (as much as I'd like them) | 22:38 |
| kanzure | rotate it to what though? | 22:38 |
| fenn | the angle around the spiral | 22:38 |
| kanzure | I think it's rotation to the value of the tangent at that point | 22:38 |
| genehacker | yeah | 22:39 |
| fenn | that's one way to calculate it, sure | 22:39 |
| kanzure | I should go try that | 22:39 |
| fenn | genehacker: can you dangle the reprap outside your window? | 22:42 |
| genehacker | no, I can't open the window | 22:43 |
| genehacker | I also can't use it in my dorm because I don't like the smell of molten plastic | 22:43 |
| fenn | boo hoo | 22:43 |
| fenn | i love the smell of styrene in the morning | 22:44 |
| fenn | i used to cast figurines in my dorm room with polystyrene fiberglass resin | 22:44 |
| fenn | everyone thought i was making drugs :\ | 22:44 |
| genehacker | cast figurines of what? | 22:45 |
| genehacker | kanzure, solidworks has a .csv format | 22:46 |
| genehacker | http://www.triaxialdesign.com/Tips_tricks/newsletter_3.pdf | 22:46 |
| emlyno | is it possible to buy the parts for a reprap at the moment? | 22:46 |
| genehacker | yeah | 22:47 |
| emlyno | where? | 22:47 |
| genehacker | ponoko | 22:47 |
| kanzure | emlyno: not all of them- you used to be able to do it from rrrf | 22:47 |
| kanzure | but now from ponoko, emachineshops, shapeways, etc. | 22:47 |
| kanzure | ponoko has the files already uploaded, fwiw | 22:47 |
| fenn | warhammer 40k figures, mostly eldar and space marines | 22:51 |
| kanzure | hah. | 22:51 |
| fenn | i always wanted one of these http://www.t-licht.de/tt/falcon.jpg | 22:51 |
| fenn | but i settled for a fleet of these instead http://www.t-licht.de/tt/viper.jpg | 22:52 |
| genehacker | heh | 22:54 |
| genehacker | how? | 22:54 |
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| genehacker | solidworks is very odd | 22:55 |
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| kanzure | does that newsletter describe anything? | 22:56 |
| * kanzure checks | 22:56 | |
| kanzure | oh yay | 22:56 |
| kanzure | that's definitely csv | 22:56 |
| kanzure | I'll try that out tomorrow when I get to a machine with solidworks | 22:57 |
| kanzure | if you want to do it in the meantime, | 22:57 |
| kanzure | http://heybryan.org/bioreactor/membraneless_filtration/my.txt | 22:57 |
| kanzure | actually, use this one: | 22:58 |
| kanzure | http://heybryan.org/bioreactor/membraneless_filtration/dataplot.cvs | 22:58 |
| kanzure | except replace all ,, with , | 22:58 |
| genehacker | ummm, how? | 23:01 |
| kanzure | :%s/\,\,/\,/g | 23:01 |
| genehacker | well solidworks is weird, you see when I make a spiral it doesn't have points on the ends | 23:02 |
| genehacker | but if I offset the spiral, the offset does | 23:02 |
| kanzure | what does that mean? | 23:02 |
| kanzure | the offset of what does what? | 23:02 |
| kanzure | how can there both be an and end and there not be an end if there are no points? | 23:03 |
| genehacker | don't you know about the offset command? | 23:05 |
| kanzure | I might. it's been a while though. | 23:05 |
| kanzure | so no, let's assume I don't and work from there | 23:05 |
| kanzure | (why doesn't solidworks 2008 run on wine yet?) | 23:05 |
| genehacker | haha | 23:05 |
| genehacker | I figured it out | 23:05 |
| genehacker | I just have to offset the offset | 23:05 |
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| kanzure | I'm still not convinced that one-off models are what we want | 23:05 |
| genehacker | yeah | 23:06 |
| genehacker | how do we make a non one off model? | 23:07 |
| kanzure | generator rawr | 23:07 |
| kanzure | fixing it at the moment. | 23:07 |
| kanzure | this way, there's variable parameters, and it's not just restricted to radius or something, plus we can also eventually try different cross sections | 23:08 |
| kanzure | oh, turns out I already accounted for an angle or rotation with the 'oed' command in brlcad | 23:09 |
| kanzure | but I'll see what the #brlcad folks say about its usage. just a lil' debugging to do. | 23:09 |
| fenn | i believe you want a 'toolchain' | 23:11 |
| kanzure | yep | 23:11 |
| kanzure | supposedly this is also supposed to connect to the CFD stuff | 23:11 |
| kanzure | but one step at a time | 23:11 |
| kanzure | genehacker: are you able to immediately use that cvs file that I gave you? | 23:12 |
| genehacker | no | 23:16 |
| kanzure | so I was sitting at the psychiatrist's office a few weeks ago, since the last one died and I needed a prescription for more medication (not really, I buy for impending nuclear winters, but still), | 23:18 |
| kanzure | and on the form it asked "any medical concerns?" | 23:18 |
| kanzure | "any medical concerns: MIGHT BE A ROBOT" | 23:18 |
| kanzure | the doc said, "yeah, we get that a lot." | 23:18 |
| genehacker | impending nuclear winters? | 23:19 |
| kanzure | 3 month supplies. | 23:19 |
| kanzure | Not quite enough :) | 23:19 |
| genehacker | heh | 23:20 |
| genehacker | they get that a lot? | 23:20 |
| kanzure | only aspie psychiatrist practice in Austin apparently | 23:20 |
| genehacker | http://www.sciencedirect.com/science?_ob=MiamiImageURL&_imagekey=B6TG8-4KKFP9J-1-S&_cdi=5248&_user=108429&_check=y&_orig=search&_coverDate=09%2F15%2F2006&view=c&wchp=dGLzVtb-zSkWA&md5=23fda84830065643f42dd8e14d65f681&ie=/sdarticle.pdf | 23:22 |
| genehacker | fuck spirals, | 23:22 |
| genehacker | nevermind | 23:24 |
| kanzure3 | genehacker: you know, one day, both of us are going to wake up from this whole "spiral" business | 23:24 |
| kanzure3 | and wonder if we weren't just tripping on LSD the whole time | 23:24 |
| kanzure3 | perceptual illusions- spirals, cobwebs, .. sound familiar? | 23:25 |
| kanzure3 | http://www.google.com/search?client=opera&rls=en&q=LSD+visual+illusions&sourceid=opera&ie=utf-8&oe=utf-8 | 23:25 |
| kanzure3 | first result- youtube image. gee. | 23:25 |
| genehacker | seen it | 23:26 |
| kanzure3 | http://yoism.reality-movement.org/images/PopPages/MagicYoTinyC.gif | 23:26 |
| genehacker | maybe we should try a spinning filter | 23:28 |
| genehacker | http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TG8-4P192HG-3&_user=108429&_coverDate=08%2F31%2F2007&_rdoc=1&_fmt=full&_orig=search&_cdi=5248&_sort=d&_docanchor=&view=c&_acct=C000059713&_version=1&_urlVersion=0&_userid=108429&md5=1e31c9cb98afd23b8f7361e685f90a86#bib18 | 23:29 |
| kanzure | you mean, a centrifuge. | 23:30 |
| genehacker | woo, I found some useful maths | 23:32 |
| genehacker | in that paper | 23:32 |
| kanzure | pokeball go! | 23:32 |
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