| --- Day changed Wed Mar 18 2009 | ||
| willPow3r | interesting katsmeow-afk | 00:00 |
|---|---|---|
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| fenn | rock opera just isn't my thing i guess | 00:15 |
| kanzure | katsmeow-afk: yeah, I have a partial copy of that :) | 00:20 |
| kanzure | fenn: how about those monitors? | 00:20 |
| gene | show me teh monoitors | 00:20 |
| gene | i missed it | 00:20 |
| fenn | i wouldnt mind some monitors | 00:20 |
| kanzure | when can you pick up two of them? | 00:20 |
| fenn | tomorrow, probably afternoon | 00:21 |
| fenn | what's the story on them? | 00:21 |
| kanzure | the deal is I get flat screens if I get rid of these | 00:21 |
| gene | hey I might have acouple of monitors | 00:21 |
| fenn | oh, ginormous CRT's? | 00:21 |
| gene | yes | 00:21 |
| kanzure | monsters | 00:21 |
| fenn | uhm.. | 00:22 |
| kanzure | heh | 00:22 |
| gene | they scare me too | 00:22 |
| fenn | damn you | 00:22 |
| gene | kanzure have you seen the most glorious thing in the world? | 00:23 |
| kanzure | a vagina? | 00:23 |
| fenn | you got a laptop? | 00:23 |
| kanzure | yes | 00:23 |
| kanzure | (another one? wtf.) | 00:23 |
| gene | crisis on high at that big multiscreen monster they have? | 00:23 |
| kanzure | crisis is a game? | 00:23 |
| fenn | crysis | 00:23 |
| kanzure | oh, that one | 00:24 |
| kanzure | no | 00:24 |
| gene | I haven't seen it, but I know it happens | 00:24 |
| gene | take at look at the screens some time | 00:24 |
| gene | looks cool | 00:24 |
| * kanzure figures out how to mount the new ipod shuffle on his glasses and back ear. | 00:25 | |
| gene | WOW | 00:25 |
| gene | does it have a screen? | 00:26 |
| kanzure | no | 00:26 |
| kanzure | the controls are attached to the headphone | 00:26 |
| gene | IT'S A WEARABLE COMPUTER | 00:26 |
| kanzure | (so it's probably some fucked up standard) | 00:26 |
| gene | with an audio interface | 00:26 |
| kanzure | so? | 00:26 |
| kanzure | you have a maximum of like, four functions | 00:27 |
| fenn | the great thing about non-standards is if you're apple you can shove them down everyone's throat | 00:27 |
| kanzure | how does that work, anyway? | 00:27 |
| * kanzure sets up his LCD | 00:28 | |
| fenn | 1) conflate your corporation with a movement against old grey men in corporations, drudgery, and fascism | 00:28 |
| fenn | 2) wait 20 years | 00:29 |
| fenn | 3) PROFIT! | 00:29 |
| fenn | see how simple it is? | 00:29 |
| kanzure | no :( | 00:29 |
| gene | where'd you get the new gear kanzure? | 00:29 |
| * kanzure breaks a hip | 00:29 | |
| kanzure | gene: mom | 00:29 |
| kanzure | as a bribe so that I go silently into the home | 00:30 |
| gene | dang | 00:30 |
| fenn | you bribe easy | 00:30 |
| gene | ok now that just freaky | 00:30 |
| kanzure | I'm considering buying a plane ticket anyway though | 00:30 |
| kanzure | I mean, thanks for the gear and such :) but really.. | 00:30 |
| gene | my alarm clock was unplugged | 00:31 |
| gene | now it's plugged in and flashing that there was a power outage | 00:31 |
| gene | I'll just assume it was plugged in | 00:33 |
| kanzure | oh shit, I have desk space. | 00:33 |
| gene | FILL IT UP WITH CRAP | 00:33 |
| gene | or anime figurines | 00:33 |
| gene | or tools | 00:33 |
| kanzure | it was previously filled with monitor monster. | 00:34 |
| gene | oh | 00:34 |
| gene | I'd go with anime figurines in that case | 00:35 |
| kanzure | I still think it was awesome how we had 4chan running on a 30' screen down in the basement | 00:36 |
| bkero | :) | 00:36 |
| bkero | I have 4chan on a 30 inch monitor right now | 00:36 |
| kanzure | 30 foot | 00:36 |
| bkero | In fact, I have it stretched across 2 22"s, and a 30" | 00:36 |
| bkero | Oh yea | 00:36 |
| kanzure | learn yer english system, foo | 00:36 |
| bkero | We do that every day, projector in the living room :) | 00:36 |
| gene | bkero what board? | 00:36 |
| bkero | gene: /w | 00:36 |
| kanzure | "all of them" | 00:36 |
| bkero | also 4scrape | 00:36 |
| gene | good, never put /b/ on big screen | 00:37 |
| kanzure | pfft, wimp | 00:37 |
| gene | hmmm... looks like they're getting raided | 00:37 |
| bkero | lol | 00:38 |
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| bkero | Raiding /b is like pissing into an ocean of piss. | 00:38 |
| gene | yeah | 00:39 |
| fenn | raided? | 00:40 |
| gene | attacked, you know what I mean | 00:40 |
| gene | it's over | 00:40 |
| fenn | i'm picturing swat teams throwing hand grenades into the server rooms.. | 00:40 |
| gene | not like that | 00:41 |
| fenn | this CNC gig is taking way longer than I expected | 00:42 |
| fenn | looks like hofstadter was right | 00:43 |
| gene | btw have you heard of the cupcake CNC | 00:43 |
| fenn | those guys officially suck | 00:43 |
| gene | the Bre pettis and Zach Hoeken deal? | 00:43 |
| gene | yeah | 00:43 |
| gene | $750, give me a brake | 00:44 |
| fenn | and meanwhile rrrf is totally useless for months | 00:44 |
| gene | oh no, not again | 00:45 |
| fenn | i'm going to start selling darwins, since apparently nobody else will | 00:45 |
| gene | oh yeah, one of the core team is making a reprap with $2 steppers | 00:45 |
| kanzure | fenn: how much do they suck? | 00:45 |
| kanzure | the cnc gig | 00:45 |
| kanzure | *the cnc gig people | 00:45 |
| fenn | that's not what i meant | 00:46 |
| fenn | the makerbot people, zach and bre pettis | 00:46 |
| kanzure | cupcake CNC people suck? | 00:46 |
| kanzure | oh, sure | 00:46 |
| kanzure | but we already knew that | 00:46 |
| kanzure | although zach claims to be willing to listen | 00:46 |
| gene | fenn will you sell replicated repraps? | 00:47 |
| gene | not manufactured repraps? | 00:48 |
| fenn | errr... that depends | 00:48 |
| kanzure | it doesn't replicate | 00:48 |
| kanzure | wtf are you smoking? | 00:48 |
| gene | replicate plastic parts | 00:50 |
| kanzure | what is 'replicate' | 00:50 |
| gene | it doesn't replicate yet | 00:50 |
| kanzure | .. | 00:50 |
| kanzure | it's not like you can make a down payment on replication | 00:50 |
| kanzure | "but it will eventually! but before it does, will you make it replicate to do what you want to do in the near term?" | 00:51 |
| kanzure | seriously though- how does that even make sense? | 00:51 |
| kanzure | maybe I'm just stupid | 00:51 |
| kanzure | after all, I apparently am unable to live | 00:51 |
| kanzure | (or something) | 00:51 |
| gene | ok it doesn't | 00:51 |
| gene | now help me design a gear profile if you're feeling helpful | 00:52 |
| kanzure | what do you mean by profile? | 00:52 |
| gene | the shape of the gear tooth | 00:52 |
| kanzure | shouldn't you pick that out of a catalog? | 00:53 |
| gene | NO | 00:53 |
| kanzure | ? | 00:53 |
| gene | because reprap can print things that aren't in a catalog | 00:53 |
| gene | and so can a stratasys | 00:54 |
| kanzure | that's the only reason? | 00:54 |
| kanzure | that's kind of lame. | 00:54 |
| kanzure | I mean, if you had a use for a weird gear tooth shape, I guess I could see that | 00:54 |
| gene | yeah and gears in a catalog might not be optimal | 00:54 |
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| kanzure | be optimal for what ? | 00:54 |
| kanzure | here's what you can do | 00:54 |
| gene | for a pneumatic stepping motor | 00:54 |
| kanzure | you give me the xyz coords for the input | 00:54 |
| kanzure | and then the xyz coords for the output | 00:54 |
| kanzure | within a bounding box | 00:54 |
| kanzure | and then tell me the input torque and required output torque | 00:55 |
| kanzure | then I'll whip you up something that solves it with an optimal design | 00:55 |
| gene | no input torque | 00:55 |
| kanzure | what input do you have? | 00:55 |
| gene | it's a motor | 00:55 |
| gene | air | 00:55 |
| gene | at about 50 psi max | 00:55 |
| fenn | it's not a normal gearbox, it's hypocycloidal | 00:55 |
| kanzure | at some point that has to be converted into mechanical energy.. | 00:55 |
| kanzure | I mean, psi is mechanical, but | 00:56 |
| kanzure | not in the way that matters to a gear | 00:56 |
| gene | required output torque 200 oz inched | 00:56 |
| gene | inches | 00:56 |
| gene | need at least 200 steps | 00:56 |
| kanzure | wtf | 00:56 |
| kanzure | why? | 00:56 |
| kanzure | wait, you mean steps for the stepper motor | 00:56 |
| gene | why? cuz that gives like 0.05 mm resolution | 00:57 |
| kanzure | I was thinking of a different context for 'steps' | 00:57 |
| gene | oh | 00:57 |
| gene | right now I'm reading up on gear profiles and cycloidal reducers | 00:58 |
| gene | cycloidal reducers are cool | 00:58 |
| * kanzure uses the jedi mind trick | 00:59 | |
| kanzure | *you want to use this code* | 00:59 |
| kanzure | http://heybryan.org/~bbishop/docs/gears/gears.html | 00:59 |
| kanzure | http://heybryan.org/~bbishop/docs/gears/ | 00:59 |
| kanzure | http://heybryan.org/~bbishop/docs/gears/src/ | 00:59 |
| kanzure | http://heybryan.org/~bbishop/docs/gears/src/GearEvaluator.cs | 00:59 |
| kanzure | fenn: you're going to feel stupid if you read that .cs file (in the sense that it's so stupid a monkey could have done it), so don't. | 01:00 |
| gene | I don't trust other peoples code it might break my computer | 01:00 |
| fenn | they should teach proper gear anatomy in computer science classes so i dont have to look at all these awful gear pictures | 01:01 |
| kanzure | hah, well, part of my work now is to implement a better gear visualization / CAD routine via pythonocc | 01:02 |
| fenn | i'm always amazed when i see rendered gears that actually have an involute profile | 01:02 |
| kanzure | what? | 01:02 |
| gene | yes they should fenn | 01:02 |
| kanzure | not just meshed? | 01:02 |
| fenn | i mean not just flat | 01:03 |
| gene | those are cogs fenn | 01:03 |
| kanzure | but aren't some teeth rectangular for planar gears? | 01:03 |
| kanzure | hrm, wait | 01:03 |
| fenn | like http://www.rhino3d.com/resources/display.asp?language=&listing=663 | 01:03 |
| kanzure | they aren't supposed to be prismatic | 01:03 |
| kanzure | I was actually being scolded by one of the mechanical engineers in the department | 01:03 |
| fenn | not like glxgears or that "gears from junkmail" crap that's been going around the web | 01:03 |
| kanzure | something about a more .. trapezoidal shape to the tooth? | 01:03 |
| gene | scolded? | 01:04 |
| kanzure | ah, yeah | 01:04 |
| gene | really | 01:04 |
| gene | heh | 01:04 |
| kanzure | scolded- not really | 01:04 |
| fenn | oh you mean not just an extrusion? | 01:04 |
| kanzure | but "we had a chat" | 01:04 |
| fenn | it doesn't really matter, just a finishing step | 01:04 |
| fenn | makes the corners stronger | 01:04 |
| kanzure | fenn: steve contacted me earlier today about an 'ai fellow' that is doing some funky optimization routine on FEA and PDEs to do 20,000~ different models (under finite analysis) in under a minute | 01:05 |
| kanzure | some sort of black magic in mathematics over part catalogs :) | 01:05 |
| fenn | 20k different topologies? | 01:07 |
| * kanzure nods | 01:08 | |
| gene | ugh | 01:10 |
| gene | I'm think I'm going to print this paper of and read | 01:10 |
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| gene | glad the people who wrote it were CONCISE | 01:11 |
| kanzure | who the hell makes a screen saver out of your web cam | 01:13 |
| kanzure | seeing myself really startled me. "who's staring at me" | 01:13 |
| gene | whoa | 01:14 |
| gene | how'd it get access to your webcam? | 01:14 |
| gene | and btw, just out of curiousity, what's that blinky cylinder icon thing anyway? | 01:15 |
| kanzure | blinky cylinder icon thing? | 01:15 |
| gene | yeah | 01:16 |
| gene | what does it mean? | 01:16 |
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| gene | or just figure out how to make a gear with a pressure angle of 60 degrees | 01:18 |
| kanzure | I don't know what you are talking about | 01:18 |
| gene | the light that pseudorandomely flashes on your computer | 01:19 |
| kanzure | hard disk access | 01:20 |
| gene | oh | 01:20 |
| fenn | gene look at fablib, there is a gear script where you can modify the pressure angle | 01:20 |
| kanzure | it's the NSA sending you secret messages | 01:20 |
| kanzure | it's in moris code, quick! write it down! | 01:20 |
| gene | SHIT | 01:20 |
| fenn | http://www.inference.phy.cam.ac.uk/cs482/fablab/projects/gears/gears.py | 01:21 |
| gene | well you know you can write code to make it output morse code | 01:21 |
| fenn | you will need http://www.inference.phy.cam.ac.uk/cs482/fablab/fablib/fablib.tar.gz | 01:21 |
| fenn | off to bed | 01:22 |
| kanzure | hm, did not know there was a gears.py in fablib | 01:22 |
| kanzure | g'night | 01:22 |
| gene | well goodnight | 01:22 |
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| ybit | kanzure, there's a #fablab irc channel? | 02:46 |
| ybit | i remember seeing it on your homepage a couple weeks ago | 02:46 |
| ybit | i even recall seeing it there last summer :) ...but i've yet to find such a channel | 02:47 |
| ybit | it was actually last Winter or Spring when I became of heybryan.org | 02:47 |
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| faceface | hi | 10:28 |
| faceface | someone on this chan told me about a 'screen for X'? | 10:29 |
| faceface | I just wonder if anyoen remembers that | 10:29 |
| faceface | screen is a 'terminal server', but there is one for X apparently too... | 10:29 |
| UtopiahGHML | http://www.realvnc.com/ ? ssh tunneling ? | 10:35 |
| faceface | vnc dosn't look like what I remember, but I'll pass it onto my friend | 11:12 |
| faceface | UtopiahGHML: do you want to start a company called 'facial genomics'? | 11:12 |
| faceface | (genotyping + facial biomatrics) / association = facial genomics | 11:13 |
| faceface | s/biomatrics/biometrics/ | 11:13 |
| kanzure | "sir, your face officially sucks" | 11:13 |
| faceface | ;-) | 11:14 |
| faceface | we go through facebook and email everyone who we predict will get diabetes | 11:14 |
| faceface | sincerely, facial genomics | 11:16 |
| kanzure | oh crap, I think I swallowed my ipod | 11:17 |
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| faceface | what were you playing? | 11:29 |
| UtopiahGHML | faceface: I admit it's a cuter term than the heavily connoted Physiognomy, much better than Physiognomy corp. | 11:44 |
| faceface | I never heard that term before | 11:45 |
| faceface | have you guys seen this... http://twitter.com/biorbot | 11:45 |
| faceface | its a twitterbot for #bioinformatics | 11:45 |
| faceface | if you want the twitterbot to join this channel, ask torbjorn on #bioinformatics | 11:47 |
| UtopiahGHML | guess it would be more useful if it could translate nickname to the correct @nickname (if the user wants to) | 11:51 |
| faceface | UtopiahGHML: cool idea | 11:51 |
| UtopiahGHML | but... I dont really see the point anyway except hammering even more the twitter API :-# | 11:51 |
| faceface | torbjorn just turned it off, but it could be set up so that only certain users get twitted | 11:51 |
| faceface | yeah... the point is limited... but its a nice data rich archive of the chan | 11:52 |
| faceface | i.e. you can feed it places | 11:52 |
| UtopiahGHML | is it an irssi script? seems to be using perl | 11:52 |
| faceface | UtopiahGHML: I'd suggest you join #bioinformatics and talk to torbjorn, because I'm not sure how it works | 12:00 |
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| faceface | UtopiahGHML: he seemed interested in your idea to use alternative identifiers in twitter based on registering IRC nicks | 12:00 |
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| kanzure | Dynamic patterning programmed by DNA tiles captured on a DNA origami substrate http://www.sciencedaily.com/releases/2009/02/090215151807.htm | 12:21 |
| kanzure | pdf: http://tinyurl.com/dgk9bl | 12:21 |
| faceface | nice | 12:23 |
| fenn | faceface: http://partiwm.org/wiki/xpra but i've never tried it, buyer beware | 12:39 |
| kanzure | http://www.ansys.com/products/default.asp | 12:41 |
| kanzure | ANSYS DesignXplorer software adds advanced parametric control to permit study of the simulation response to proposed modifications. The module enables engineers to perform Design of Experiments (DOE) analyses of any ANSYS Workbench simulation, including those with CAD parameters. | 12:41 |
| kanzure | http://www.ansys.com/products/designxplorer.asp | 12:42 |
| kanzure | ANSYS® Parametric Design LanguageTM (APDL) | 12:42 |
| kanzure | wtf? | 12:42 |
| kanzure | http://www.mece.ualberta.ca/tutorials/ansys/AT/APDL/APDL.html <-- examples of APDL | 12:42 |
| kanzure | http://www.apdl.de/ | 12:43 |
| kanzure | http://www.google.com/search?hl=en&client=opera&rls=en&hs=7iK&num=100&q=filetype%3Aans+ansys&btnG=Search | 12:45 |
| fenn | gimme a fucking break, just use a real programming language | 12:45 |
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| kanzure | http://en.wikipedia.org/wiki/Level_set_method ". The advantage of the level set method is that one can perform numerical computations involving curves and surfaces on a fixed Cartesian grid without having to parameterize these objects (this is called the Eulerian approach).[1]" | 12:57 |
| faceface | fenn: that is what I was thinking of, thanks | 13:01 |
| kanzure | http://www.webdoe.cc/publications/kirstine.php | 13:20 |
| kanzure | there we go | 13:20 |
| kanzure | bonus points for figuring out wtf they are talking about | 13:20 |
| fenn | people used to be so smart | 13:20 |
| fenn | now the best we can do is twitter and make magazine | 13:20 |
| kanzure | getting depressed? | 13:22 |
| fenn | reading about makerbot | 13:23 |
| fenn | and dealing with someone trying to edit source code in open office | 13:24 |
| kanzure | *twitch* | 13:24 |
| fenn | and procrastinating a business call (i may have destroyed the deskCNC controller by plugging in a cable backwards (who makes cables that you can plug in backwards anyway??)) | 13:24 |
| fenn | there are IDC connectors on the board but they dont have the tab/notch | 13:26 |
| kanzure | http://www.webdoe.cc/info/doe.php | 13:33 |
| kanzure | "In an experiment, we deliberately change one or more process variables (or factors) in order to observe the effect the changes have on one or more response variables. The (statistical) design of experiments (DOE) is an efficient procedure for planning experiments so that the data obtained can be analyzed to yield valid and objective conclusions." | 13:33 |
| kanzure | "DOE begins with determining the objectives of an experiment and selecting the process factors for the study. An Experimental Design is the laying out of a detailed experimental plan in advance of doing the experiment. Well chosen experimental designs maximize the amount of "information" that can be obtained for a given amount of experimental effort." | 13:33 |
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| kanzure | hm, I think they're using krylov accelerators | 13:52 |
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| gene | kanzure you there? | 14:12 |
| kanzure | yes | 14:15 |
| bkero | Slashdot article regarding Linux spokesman: http://pastebin.osuosl.org/24953 | 14:19 |
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| kanzure | http://www.design.caltech.edu/NSF_MEMS_Workshop/crary.html | 15:19 |
| kanzure | last two paragraphs | 15:19 |
| fenn | "A unified theory of transduction" | 15:22 |
| fenn | ah wouldnt it be nice | 15:22 |
| fenn | they forgot nuclear and gravitational :P | 15:23 |
| fenn | not sure where neutrinic fits into that | 15:23 |
| kanzure | none of the names he cites show up when queried individually with "theory of transduction" | 15:25 |
| kanzure | but if you just do transduction+$name, you get lots of "signal transduction" stuff re: cells, which isn't quite the same topic | 15:26 |
| kanzure | http://socghop.appspot.com/program/accepted_orgs/google/gsoc2009?limit_0=100 | 15:28 |
| kanzure | wtf is the singularity institute doing on that list? | 15:28 |
| kanzure | they're not supposed to do shit :/ | 15:28 |
| kanzure | heh, BRLCAD is on the list though | 15:28 |
| kanzure | http://socghop.appspot.com/org/show/google/gsoc2009/brlcad | 15:29 |
| kanzure | http://brlcad.org/wiki/Google_Summer_of_Code/2009/Project_Ideas#Constraints_and_Parametrics | 15:29 |
| fenn | it's opencog, which is ben goertzel's thing | 15:29 |
| fenn | dunno why it's under SIAI | 15:30 |
| kanzure | http://brlcad.org/wiki/Google_Summer_of_Code/2009/Project_Ideas#Web-based_solid_geometry_model_repository | 15:31 |
| kanzure | ben is SIAI's "director of research" | 15:34 |
| kanzure | yawn | 15:34 |
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| kanzure | any ideas on searching for the research on a "theory of transduction" that Crary references? | 15:35 |
| fenn | i dont think there is any | 15:38 |
| fenn | mail crary@umich.edu | 15:38 |
| kanzure | I don't think he's at umich.edu anymore, he was talking with Steve in Silicon Valley, which is where his business address is, as well as his wife (at the same address), soo | 15:38 |
| * kanzure is in uber stalk mode | 15:38 | |
| kanzure | his wife: http://twitter.com/mariiannebeth | 15:40 |
| fenn | selden@crary.cc ? | 15:40 |
| kanzure | oh snap. | 15:41 |
| kanzure | I don't know if asking him is a good idea since I wasn't supposed to see that email | 15:41 |
| fenn | hm, have dave ask him | 15:41 |
| kanzure | :) I asked dave actually about fastfea, will see what he says | 15:41 |
| kanzure | http://74.125.95.132/search?q=cache:jWi0Og2UmM4J:www.mgnet.org/mgnet/outgoing/send_digests+selden%40crary.cc&cd=20&hl=en&ct=clnk&gl=us&client=opera | 15:43 |
| kanzure | wtf? | 15:43 |
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| fenn | hole crap electricity is 1.1 cents per kWh at night | 16:18 |
| fenn | http://www.oru.com/programsandservices/incentivesandrebates/timeofuse.html | 16:18 |
| gene | dang | 16:19 |
| gene | you should move out to a west texas windfarm | 16:19 |
| gene | where electricity is free at certain times | 16:19 |
| kanzure | http://heybryan.org/bioreactor/membraneless_filtration/2009-03-18_spiral.jpg | 16:53 |
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| fenn | foam core? | 16:55 |
| fenn | oh its acrylic with the paper stuck to it | 16:55 |
| kanzure | yes | 16:55 |
| kanzure | fenn: heeks is apparently in #cam from time to time | 17:04 |
| fenn | yeah i talk to him all the time | 17:05 |
| kanzure | blah | 17:05 |
| ybit | kanzure, so i guess you won't be working with pythonocc for gsoc... are you going to try for brl-cad? | 17:56 |
| kanzure | yes | 17:56 |
| kanzure | I've been talking with them for a few minutes in there about their parametrics library re: graphsynth for hypergraphs and constraint satisfaction problems | 17:56 |
| ybit | there isn't one ruby project listed o.O | 17:58 |
| kanzure | rails is.. | 17:59 |
| ybit | yeah, i just noticed there's more than one page | 17:59 |
| ybit | wow | 17:59 |
| kanzure | http://people.ischool.berkeley.edu/~rachna/courses/infoviz/gtv/ | 18:17 |
| kanzure | gnutellavision - real time visualization of a p2p network | 18:17 |
| kanzure | http://minion.sourceforge.net/ | 18:18 |
| fenn | "general purpose constraint solver" meaning it will do 3d geometry? | 18:19 |
| fenn | doesn't look like it | 18:21 |
| kanzure | http://www.gecode.org/ | 18:23 |
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| xp_prg | finite domain linear constraints kick ass | 18:42 |
| xp_prg | I finally switched to prolog however | 18:42 |
| xp_prg | just made more sense for me | 18:42 |
| ybit | i thought http://code.google.com/p/nativeclient/ was neat | 18:54 |
| ybit | and i've yet to check out http://gephi.org/ | 18:55 |
| ybit | won't be applying for them, but neat | 18:56 |
| kanzure | http://www.thingiverse.com/thing:367 | 19:40 |
| kanzure | replacement knob for a dishwasher heh' | 19:40 |
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| gene | looks broken to me | 19:47 |
| kanzure | Thermodynamic Analysis of Resources Used in Manufacturing Processes http://is.gd/nWSn | 20:10 |
| xp_prg | I am trying to understand this code: [[_prefix, _clauses]] = result where result = ['w', 'x', 'y', 'z'] | 20:19 |
| xp_prg | it gives the error: too many values to unpack | 20:19 |
| xp_prg | but how would [[_prefix, _clauses]] work, what is it doing there? | 20:19 |
| xp_prg | oops wrong channel | 20:21 |
| kanzure | it means you have too many values in your array | 20:38 |
| kanzure | it's expecting it to be [[_prefix, _clauses]] = ['1', '2'] | 20:38 |
| fenn | it's not actually in fablib | 20:54 |
| fenn | erf nevermind, scrollback error | 20:54 |
| gene | kanzure could you do something for me? | 21:03 |
| gene | SSH into a lab puter and archive this paper http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V46-4H57JG1-1&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=91bbbdd9d2e752772ffd64989f9df46c | 21:03 |
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| kanzure | fenn: doesn't seem to be much of an error since you didn't say that earlier. | 21:07 |
| kanzure | gene: ok, done | 21:08 |
| gene | sweet link | 21:08 |
| gene | ? | 21:08 |
| kanzure | http://heybryan.org/books/Manufacturing/On%20the%20lobe%20profile%20design%20in%20a%20cycloid%20reducer%20using%20instant%20velocity%20center.pdf | 21:09 |
| kanzure | I was just playing around with some instant velocity center stuff a few weeks ago re: linkages. | 21:09 |
| gene | linkages are fun | 21:10 |
| gene | holy shit, your doing linkages and you aren't taking dynamics? | 21:10 |
| kanzure | yeah, well, fuck them. | 21:11 |
| kanzure | I'm paying out the ass for education, and they put me in basic physics? | 21:11 |
| gene | you got any secret linkage velocity computation algorithms? | 21:12 |
| kanzure | well it's actually kind of simple | 21:12 |
| kanzure | one moment, let me dig up my notes | 21:12 |
| gene | let's just say on the last hw the book got two different answers for the same problem using different algorithms | 21:12 |
| kanzure | method of finding a velocity on the point of an object by the method of instant centers | 21:13 |
| kanzure | V_A and V_B are 2 points in a purely rotating rigid body | 21:13 |
| kanzure | such that V_A dot n_A = 0 and V_B dot n_B = 0 | 21:14 |
| kanzure | find the pt of intersect of n_B and n_A | 21:14 |
| kanzure | V_Q = V^P + w^B cross r^(PQ) | 21:14 |
| kanzure | that pt of intersection is the instant center | 21:14 |
| kanzure | w^B is the angular velocity of point B on some plane N (P&Q are points on a body under pure rotation) | 21:15 |
| kanzure | don't know if that's useful. | 21:15 |
| kanzure | but basically, to compute the velocity of some attached linkage, you just set the origin to be a point on the other rigid body (an offset) | 21:16 |
| kanzure | (that point being, namely, the connection) | 21:16 |
| * kanzure goes down to grab a bite for dinner | 21:16 | |
| gene | yeah that's what we do | 21:18 |
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| gene | I don't believe it | 21:57 |
| gene | they make heat exchangers from plastic | 21:57 |
| katsmeow-afk | and solar collectors too, heh | 22:09 |
| fenn | PEX is routinely used for radiant flooring, so why not solar collectors | 22:13 |
| fenn | a key parameter in heat exchangers is the wall thickness.. really thin aluminum will crinkle where thin plastic would just flex | 22:15 |
| katsmeow-afk | true, PEX is approved for drinking water too | 22:15 |
| katsmeow-afk | still,, no flow on a sunny day , painted black, it could get too hot and stretch permanently, burst, etc | 22:16 |
| katsmeow-afk | i know a business making one in white pvc, 1) it's gloss reflective white , 2) it's not rated for hot water 3) they installed it as tight as possible to single non-flow controlled headers, so no telling which way the water is going | 22:17 |
| kanzure | I've lost my train of thought, what am I doing? | 22:24 |
| katsmeow-afk | dinner | 22:25 |
| kanzure | that would be a good idea eventually, but then what? | 22:27 |
| gene | whatever it is it's what they use in pool heaters | 22:29 |
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| fenn | "there comes a time about this time every night when I'm just too goddamned hyper to bother with all that stuff and I want to just DO SOMETHING instead of ask someone else to start a process to investigate the possibility of someday possibly maybe doing something." | 23:24 |
| fenn | wow so even CEO's have this problem eh | 23:25 |
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