| --- Log opened Tue Sep 11 00:00:23 2012 | ||
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| kanzure | nmz787: well, i certainly don't recommend becoming an alcoholic, if that's what you're asking | 00:27 |
|---|---|---|
| nmz787 | well would regularly drinking 1-3 beers per day be bad? | 00:33 |
| nmz787 | i imagine that's pretty low in the context of most abusive situations | 00:33 |
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| nmz787 | and i would think that the enzymatic machinery would be present for degrading the more toxic metabolites | 00:34 |
| nmz787 | the aldehyde | 00:34 |
| nmz787 | i heard alcohol was how people survived in times of bad water | 00:35 |
| nmz787 | hmm | 00:35 |
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| nmz787 | kanzure: https://www.noisebridge.net/wiki/Neural_Network_Workshop | 00:39 |
| nmz787 | kanzure: nnw.tgz doesn't exist anymore :( | 00:39 |
| nmz787 | Code at http://www.mindmech.com/nnw.tgz | 00:39 |
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| nmz787 | git clone git://ml-noisebridge.git.sourceforge.net/gitroot/ml-noisebridge/ml-noisebridge | 00:42 |
| nmz787 | might be there | 00:42 |
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| nmz787 | tashoutang: are you here? | 01:06 |
| tashoutang | yeah | 01:15 |
| tashoutang | nmz787 | 01:15 |
| tashoutang | I am buzy preparing the Lab | 01:16 |
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| tashoutang | cause the new semester will start next week | 01:16 |
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| tashoutang | OK | 02:24 |
| tashoutang | nmz787 what's the matter?:) | 02:25 |
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| ybit | morning internets! | 06:13 |
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| delinquentme | ^^^^ | 06:28 |
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| kanzure | brownies: hah i have commits in the yeoman project now :/ | 07:53 |
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| brownies | kanzure: haha | 09:14 |
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| delinquentme | OMGGGGGG | 10:05 |
| delinquentme | <3 | 10:05 |
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| archels | cybernetics http://www.technologyreview.com/view/429186/first-evidence-of-affine-symmetry-in-hand | 10:42 |
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| nmz787 | http://www.ncbi.nlm.nih.gov/pubmed/22537153?dopt=Abstract | 12:26 |
| nmz787 | Chemocentric informatics approach to drug discovery: identification and experimental validation of selective estrogen receptor modulators as ligands of 5-hydroxytryptamine-6 receptors and as potential cognition enhancers. | 12:26 |
| kanzure | so they selected those receptors through some "informatics" work? | 12:27 |
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| nmz787 | http://www.broadinstitute.org/cmap/ | 12:28 |
| nmz787 | they used that for something | 12:28 |
| kanzure | btw have you seen the allen brain institute stuff? | 12:29 |
| nmz787 | no | 12:31 |
| kanzure | they have some neat brain expression data and map stuff (tissue scans) | 12:31 |
| chris_99 | heh i thought you said 'alien brain institute' | 12:32 |
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| chris_99 | does anyone do stereolithography here? | 12:42 |
| kanzure | azonenberg probably has | 12:44 |
| chris_99 | cool, i'll give him a shout when he's about. Just looking at getting a projector for it | 12:45 |
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| kanzure | i think most people use a lamp and a mask, plus lots of unspecified optics | 12:46 |
| chris_99 | i've looked @ the lemoncurry thing, and they use a DLP | 12:46 |
| kanzure | lemoncurry is not a standard thing :) | 12:46 |
| chris_99 | no i know | 12:46 |
| kanzure | but yes dlp is the way to go. fuck masks. | 12:46 |
| kanzure | i know a postdoc who does lots of masked photolithography who just hates it. he'd be willing to field a few questions if you email them my way. | 12:47 |
| chris_99 | cool :) | 12:47 |
| chris_99 | i also looked at using a mirror galvanometer setup, but that'd probably be more expensive | 12:48 |
| chris_99 | than the projector | 12:48 |
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| nmz787 | stereolithography? | 12:57 |
| nmz787 | kanzure: why does autodesk give a shit about synbio??? | 12:57 |
| nmz787 | http://synbiobeta.com/ | 12:57 |
| chris_99 | nmz787, http://en.wikipedia.org/wiki/Stereolithography explains it better than me | 12:58 |
| nmz787 | hah | 13:00 |
| nmz787 | i know that technique | 13:00 |
| nmz787 | but my brain doesn't connect the word stereo with the concepts at all | 13:01 |
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| nmz787 | I though SLA stood for Selective Laser Addition or something | 13:01 |
| nmz787 | ahh, i guess stereo actually means solid... so that we have stereoscopic vision is because we can distinguish volume, i guess | 13:03 |
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| nmz787 | and stereophonic sound systems help represent the 3D information of multiple musicians | 13:04 |
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| chris_99b | what did i miss my net connection keeps messing up :( | 13:04 |
| chris_99b | ah just checked the logs, yeah i see what you mean about stereo sounding weird | 13:05 |
| nmz787 | yeah I though it meant two beams | 13:06 |
| nmz787 | or two masks | 13:06 |
| nmz787 | or something | 13:06 |
| chris_99b | yeah it makes it sound like that | 13:06 |
| chris_99b | doesn't it | 13:06 |
| nmz787 | so is it just me or is the whole silicon valley culture a bit annoying? | 13:06 |
| nmz787 | like, this Kim guy is on the synbiobeta conference page, with this company http://www.slingshotbio.com/ | 13:07 |
| nmz787 | but the web page for their company is meaningless | 13:07 |
| nmz787 | it has nothing of substance on it at all | 13:07 |
| chris_99b | heh yeah i just looked at that, and haven't got a clue what they do | 13:08 |
| nmz787 | http://www.gatesfoundation.org/Grants-2011/Pages/Pivot-Bio-Inc-OPP1045839.aspx | 13:09 |
| nmz787 | Purpose: to engineer crops that can capture and metabolize nitrogen from the atmosphere, reducing the need for petrochemical fertilizers and reducing the cost of farming in developing countries.Amount: $100,000Term: 1 year and 7 months | 13:09 |
| chris_99b | that'd be impressive | 13:09 |
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| kanzure | nmz787: autodesk likes synthetic biology because andrew hessel | 13:13 |
| chris_99b | nmz787, did you decode any stuff from that CCD btw, i presume it requires an ADC | 13:26 |
| nmz787 | decode? | 13:27 |
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| nmz787 | it comes out analog | 13:27 |
| chris_99b | yeah i mean convert to digital | 13:27 |
| chris_99b | should have said digitise | 13:27 |
| nmz787 | i just used an oscilloscope | 13:28 |
| nmz787 | i started working on the ADC stuff but only got as far as making a breakout board | 13:28 |
| chris_99b | aha cool | 13:28 |
| chris_99b | do you happen to know if theres any IR filter on it, as i was considering getting one to do IR spectroscopy | 13:29 |
| nmz787 | IR won't work past about 1000nm with it | 13:42 |
| nmz787 | the CCD datasheets generally have a spectral sensitivity chart | 13:42 |
| nmz787 | you need InGaAs for NIR and MIR spectroscopy | 13:42 |
| chris_99b | yeah i saw the chart i was thinking if there was an IR filter on it, that'd affect it | 13:45 |
| nmz787 | nah its the inherent Si sensitivity | 13:47 |
| chris_99b | ah | 13:47 |
| chris_99b | cheers i've found some by Hamamatsu | 13:50 |
| chris_99b | after you suggested that | 13:50 |
| nmz787 | you can find them on alibaba.com too | 13:51 |
| nmz787 | 2D InGaAs | 13:51 |
| nmz787 | http://www.alibaba.com/product-gs/532942886/InGaAs_Image_Sensor.html | 13:52 |
| chris_99b | sweet :) | 13:53 |
| chris_99b | i want to measure alcohol content hopefully | 13:53 |
| nmz787 | chris_99b: http://libgen.info/view.php?id=749860 | 13:58 |
| chris_99b | ooh thanks | 14:00 |
| chris_99b | btw i found the hough transform isn't especially helpful heh | 14:00 |
| chris_99b | at least for the kind of stuff i'm trying to do | 14:00 |
| chris_99b | i've been told this is a lot better http://www.eecs.berkeley.edu/Research/Projects/CS/vision/shape/sc_digits.html | 14:00 |
| nmz787 | ahh, that squares.c didnt work for your images? | 14:01 |
| chris_99b | well i didn't use squares.c but i used another implementation of the Hough transform | 14:02 |
| chris_99b | and the lines generated | 14:02 |
| chris_99b | where not very helpful | 14:02 |
| chris_99b | so i couldn't generate rectangles anway | 14:02 |
| nmz787 | have you solved this otherwise yet? | 14:03 |
| chris_99b | nope, i might have to port that matlab code | 14:04 |
| nmz787 | ahh, i would give squares.c a try, can't hurt, and it should be a snap to compile since its an opencv example | 14:05 |
| chris_99b | hmm i might do, but if i recall it is just using the hough transform | 14:06 |
| chris_99b | and maybe a bit of edge detection too | 14:06 |
| nmz787 | there are different hough transforms though | 14:06 |
| nmz787 | i.e. hough lines vs hough circles | 14:06 |
| chris_99b | yeah, i used the line one | 14:06 |
| nmz787 | dunno if there are others | 14:07 |
| chris_99b | not that i've heard, maybe there are though | 14:07 |
| chris_99b | i'm really suprised there aren't more simple algorithms for detecting simple shapes | 14:11 |
| chris_99b | though | 14:11 |
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| skorket | hey all | 14:41 |
| nmz787 | howdy | 14:41 |
| skorket | did I tell you about my current direction in using my CNC for PCBs? | 14:42 |
| nmz787 | no | 14:43 |
| nmz787 | I've made a PCB with black spray painted copper clad and etched with a laser cutter | 14:43 |
| chris_99b | is that as good as using photoresist + uv + acetate | 14:44 |
| skorket | oh nice. I was considering going that route but I heard blanketing the PCB with spray paint consistently was a bit hard | 14:46 |
| nmz787 | yeah it took a few tries, mainly because the paint was clearly etched, but microscopically there was still some (I didn't see it with a microscope) and as a result copper etch didnt work | 14:48 |
| chris_99b | did you make your own CNC skorket? | 14:49 |
| nmz787 | but I finally figured out to use a quick pass of alcohol or acetone to clean off any residual, but not enough cleaning that the intact paint didnt smear | 14:49 |
| skorket | chris_99b, I did | 14:50 |
| chris_99b | funky, do you have a guide to how you built it? | 14:50 |
| nmz787 | skorket: what's your idea for CNCing PCBs? | 14:53 |
| skorket | Z sensing through a continuity test | 14:55 |
| nmz787 | how are you actually cutting the copper? | 14:56 |
| chris_99b | that's a cool idea, so it'll know exactly when the drill's hitting the copper | 14:58 |
| chris_99b | is that what you meant? | 14:58 |
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| skorket | Cutting the copper with a .0135" carbid tip. I have others but I haven't tried them yet | 15:14 |
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| skorket | and yep, continuity test with one lead attached to the bit, the other to the copper face of the PCB | 15:15 |
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| chris_99b | problem is though when you get to parts of the PCB which have no connection to your croc clip | 15:16 |
| Mokbortolan_ | well, you might have to use jumpers or other methods to connect them | 15:17 |
| chris_99b | is there any advantage though over just using the Z axis information from your steppers | 15:17 |
| skorket | the pcb warps. The z isn't consistent across the surface | 15:18 |
| chris_99b | ah | 15:19 |
| chris_99b | yeah that makes sense | 15:19 |
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| gnusha | diyhpluswiki.git: cab472d add link to cheap power supply tutorial for gel boxes | 16:14 |
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| nmz787 | kanzure: are you speaking at open science summit again this year? | 16:30 |
| kanzure | probably not.. it's in the UK | 16:35 |
| nmz787 | nah | 16:37 |
| kanzure | huh? i thought jojack said so? | 16:37 |
| nmz787 | "Oct 19-20, 2012 at the Computer History Museum in Mountain View, CA" | 16:38 |
| nmz787 | http://opensciencesummit.com/ | 16:38 |
| kanzure | http://www.kickstarter.com/projects/openscience/open-science-summit-2012 | 16:38 |
| kanzure | hmm | 16:38 |
| nmz787 | ctrl-f for uk or u.k. finds nothing | 16:38 |
| kanzure | it hasn't raised any money. ouch. | 16:39 |
| kanzure | well, nobody puts conferences on kickstarter anyway. | 16:39 |
| nmz787 | oh, hah, i'm wearing my open science summit tshirt from last year right now | 16:39 |
| kanzure | oh i see. it says computer science museum 2012. well, not the uk. maybe he changed his mind. | 16:39 |
| kanzure | well in that case, i haven't decided :). | 16:40 |
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| skorket | ok, guess it's time to get started on that automatic continuity tester | 18:37 |
| skorket | nmz787, I'm also going to alter grbl to spit out some status variables, like current position, feed rate, etc. | 18:38 |
| skorket | not sure if you're interested in that whole thing | 18:38 |
| delinquentme | skorket, are you building a reprap? | 18:59 |
| skorket | delinquentme, no, I've built a CNC | 19:00 |
| delinquentme | Oh sweet! using grbl? | 19:01 |
| delinquentme | do you know about ##diy-cnc? | 19:01 |
| delinquentme | or one # | 19:01 |
| skorket | yes and yes | 19:01 |
| skorket | there's also #linuxcnc but that's mostly for linuxcnc, as you'd imagine | 19:02 |
| skorket | (#diycnc) | 19:02 |
| delinquentme | nice! | 19:05 |
| delinquentme | yeah I was looking at grbl for controlling steppers | 19:05 |
| delinquentme | ended up stuck at the hardware component level | 19:06 |
| skorket | what do you mean? | 19:06 |
| joshcryer | http://motherboard.vice.com/2012/9/10/we-are-now-one-year-and-counting-from-global-riots-complex-systems-theorists-say--2 | 19:07 |
| delinquentme | skorket, I was looking for a particular driver which would i guess allow for component / sensor scaling | 19:08 |
| delinquentme | IE modular " add on a hall sensor " ... " add on a stepper " | 19:08 |
| delinquentme | modular MC or something | 19:08 |
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| skorket | so that you could use sensor feedback in the controller? | 19:09 |
| delinquentme | skorket, well ... I mean the issue I currently have is that when dealing with open source hardware | 19:28 |
| delinquentme | the ... | 19:28 |
| delinquentme | virtues of open source ... is partially the awesome turn around time and development | 19:29 |
| delinquentme | Sooo someone hacks together a stellar redundancy on my machine ... and we want to run it ... If this is so I'm probably going to need to add another driver ... so how can that process be made as easy as possible | 19:30 |
| kanzure | driver? | 19:30 |
| kanzure | just use linux's firmware stuff. i don't see the problem. | 19:31 |
| skorket | I don't really understand what you're talking about delinquentme | 19:33 |
| delinquentme | kanzure, stepper driver | 19:34 |
| delinquentme | skorket, physically adding modular components ... like the best stuff out there right now is designed for the reprap | 19:34 |
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| delinquentme | IE 5 stepper motors ... | 19:34 |
| delinquentme | what happens when you need more stepper motors | 19:34 |
| delinquentme | REDESIGN THE MAIN BOARD | 19:34 |
| delinquentme | ^^ inefficient | 19:34 |
| ParahSailin_ | kanzure, im not enough of an asshole to shit on this post on open mfring list http://idejakten.se/vote/utilihab/ | 19:35 |
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| skorket | yeah, grbl is not really designed for that | 19:35 |
| skorket | but maybe kanzure is suggesting that linuxcnc has that extensibility? | 19:36 |
| delinquentme | OHHhh | 19:39 |
| delinquentme | Hurr. durr. | 19:39 |
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| kanzure | ParahSailin_: so you're saying you hate utilihab? | 19:57 |
| kanzure | skorket: you don't even need a "main board" like that with linux. what do you people have against computers. :( | 19:58 |
| kanzure | you're perfectly fine with computers everywhere else | 19:58 |
| kanzure | but as soon as there's as stepper, computers become voodoo or something | 19:58 |
| kanzure | *as soon as there's a stepper | 19:58 |
| ParahSailin_ | it looks silly, and overly expensive, yes | 20:00 |
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| skorket | I like computers very much, they're just not always appropriate to every task | 20:14 |
| skorket | alarm bells should be ringing when you have to install a whole new kernel just to control a couple of stepper drivers | 20:15 |
| skorket | real time needs = microcontroller | 20:15 |
| kanzure | well, most microcontrollers demand that i install windows to write code, so how's that not another kenel? | 20:20 |
| skorket | I've got a toolchain that works very well in linux | 20:22 |
| skorket | you might have some difficulty in pic, I grant you | 20:22 |
| skorket | propeller looks like theres some stuff out there | 20:22 |
| skorket | I think I saw some fpga stuff that worked under linux | 20:22 |
| kanzure | propeller seems highly proprietary | 20:23 |
| kanzure | fpga stuff on linux is also highly proprietary | 20:23 |
| kanzure | xelinux stuff | 20:23 |
| skorket | yeah, not sure about xilinx. I saw some other starter fpga thing that looked like it might have a nice linux toolchain | 20:23 |
| kanzure | show me. | 20:23 |
| skorket | hmm, maybe I'm wrong about that one. This is what I was thinking of: http://www.xess.com/prods/prod048.php | 20:27 |
| skorket | http://www.xess.com/downloads.php has a python script to flash and get data from it, but I'm not sure about the rest of the toolchain | 20:27 |
| skorket | the relevant bits are open source (I think?) but that doesn't mean it's readily available under linux | 20:28 |
| skorket | yeah, sorry, I've never used it, I just found it the other day. Under 'third parties' theres some 'xstools for linux' which might be a complete toolchain | 20:29 |
| skorket | and of course the board that this is for isn't that powerful | 20:29 |
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| kanzure | bleh internets :( | 21:34 |
| kanzure | if i was a billionaire, i'd make sure the god damned internets worked. | 21:34 |
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| brownies | someday, kanzure . someday. | 21:43 |
| kanzure | brownies: tethering sucks | 21:49 |
| brownies | kanzure: get 4G, then tethering is at least tolerable | 21:50 |
| kanzure | but, i have that "unlimited" data plan | 21:50 |
| kanzure | blah | 21:50 |
| brownies | kanzure: so it's, what, 3gb? | 21:50 |
| kanzure | yes :( | 21:50 |
| brownies | heh | 21:51 |
| kanzure | my monopolist isp says that the quickest they can check out my problem is next monday | 21:52 |
| kanzure | next monday is like an internet year away | 21:52 |
| kanzure | hell it's a whole new iphone version away | 21:52 |
| brownies | haha | 21:52 |
| brownies | well, at this point anything other than pizza delivery is a whole iphone version away | 21:52 |
| kanzure | nope, pizza doesn't deliver around here past 11pm | 21:53 |
| kanzure | and starts up around 10am | 21:53 |
| brownies | rofl | 21:53 |
| kanzure | what's the point of delivery if you can't get it at 2am? | 21:53 |
| kanzure | what the fuck is wrong with people | 21:53 |
| brownies | i'm actually pretty annoyed that it'll be another week between tomorrow's announcement and being able to actually buy the damn thing | 21:53 |
| kanzure | so far i haven't seen anything interesting on it | 21:53 |
| brownies | kanzure: does your whole city also close down at 10pm? | 21:53 |
| kanzure | no there's two restaurants that stay open 24/7 | 21:54 |
| brownies | i thought Austin was supposed to be hip and exciting | 21:54 |
| kanzure | we are hip and exciting 6am-10pm | 21:54 |
| brownies | those are not every hip and exciting hours | 21:54 |
| kanzure | except for 6th street | 21:54 |
| kanzure | which is 2am-4am | 21:54 |
| Lemminkainen_ | where get pharmaceuticals? | 21:58 |
| Lemminkainen_ | I'm interested in acquiring some Trental and Provigil | 21:59 |
| Lemminkainen_ | but unsure of where to procure these from | 21:59 |
| kanzure | step into my office | 22:04 |
| kanzure | by "my office" i mean "my van" | 22:04 |
| kanzure | and by "my van" i mean my "sex tarp" http://xkcd.com/1101/ | 22:05 |
| Lemminkainen_ | but kanzure I don't love you like *that* | 22:06 |
| Lemminkainen_ | I love you like a cold apple | 22:06 |
| kanzure | o__o | 22:09 |
| Lemminkainen_ | I really like cold apples on a hot day | 22:09 |
| yashgaroth | if you know what he means | 22:09 |
| Lemminkainen_ | anyway, I've been looking more into things like NAC, piracetam, Trental, Provigil, etc etc and I would like to play with some of them | 22:09 |
| Lemminkainen_ | I am, however, professionally homeless, so I am somewhat perturbed by the idea of several pill bottles rattling around my luggage | 22:10 |
| kanzure | i'm professionally awsome | 22:11 |
| kanzure | :nods: | 22:11 |
| strangewarp | stop fucking apples, it's not the goddamned 1970s anymore | 22:14 |
| Mokbortolan_ | people fucked apples back then? | 22:15 |
| Mokbortolan_ | wow, hippies were weirder than I thought | 22:15 |
| Mokbortolan_ | Lemminkainen_: well, you can have them as white powders in bags! | 22:17 |
| Mokbortolan_ | although, Provigil you can get (from india) in foil sheets | 22:18 |
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| Lemminkainen_ | tell me more Mokbortolan_ | 22:42 |
| nmz787 | we're nothing but chemistry that realizes itself | 22:59 |
| Lemminkainen_ | this is true nmz787 but I am looking to get a hold of more chemicals | 23:03 |
| nmz787 | lol | 23:39 |
| nmz787 | more atoms!!! | 23:39 |
| nmz787 | what country are you in? | 23:39 |
| ybit | kanzure: how? | 23:42 |
| ybit | 07:53 < kanzure> brownies: hah i have commits in the yeoman project now :/ | 23:42 |
| ybit | 22:18 < Mokbortolan_> although, Provigil you can get (from india) in foil sheets | 23:43 |
| ybit | i can confirm this and i can also confirm it didn't work | 23:43 |
| nmz787 | why would it come in foil? | 23:44 |
| nmz787 | i'm pretty sure backalley powder in india is not to be trusted to work | 23:45 |
| Lemminkainen_ | nmz787 I'm in US | 23:50 |
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| nmz787 | ahh | 23:54 |
| --- Log closed Wed Sep 12 00:00:24 2012 | ||
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