2013-07-31.log

--- Log opened Wed Jul 31 00:00:41 2013
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archelssome interesting lectures http://videolectures.net/nips2012_laketahoe/01:21
archels.title01:21
yoleaux26th Annual Conference on Neural Information Processing Systems (NIPS), Lake Tahoe 2012 - VideoLectures - videolectures.net01:21
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strangewarphttp://www.foc.us/ - Interesting, it looks like someone is selling a consumer-friendly transcranial electrical stimulation device... marketed towards gamers, of course.03:46
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archelsha04:02
archelsThe name "cepstrum" was derived by reversing the first four letters of "spectrum". Operations on cepstra are labelled quefrency analysis, liftering, or cepstral analysis.04:02
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@kanzuretomkinsc: you receive negative a billion points for linking to scribd06:03
@kanzurestrangewarp: `and you receive -1000 for not paying attention whenever that was first linked months ago06:03
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strangewarphaving read the logs: ah06:40
strangewarpoh interesting, I hadn't realized tdcs devices were /that/ cheap to make06:50
strangewarplooks simple enough.. now I'm tempted to build one. hnn! probably in a few months.07:05
@kanzurei don't recommend it07:06
@kanzureyou can get more precision out of ultrasound07:07
@kanzurei feel like a broken mp3 player at this point07:07
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@heathpaperbot: http://link.springer.com/protocol/10.1385%2F0-89603-127-6%3A19309:05
paperbothttp://libgen.org/scimag3/10.1385/0-89603-127-6%253A193.pdf09:05
@heathpaperbot: http://link.springer.com/content/pdf/10.1385%2F0-89603-127-6%3A165.pdf#page-109:08
paperbothttp://diyhpl.us/~bryan/papers2/paperbot/e45c56d52597576c01faacf2b4547f9a.txt09:08
@heathpaperbot: http://link.springer.com/protocol/10.1385%2F0-89603-127-6%3A19309:08
paperbothttp://libgen.org/scimag3/10.1385/0-89603-127-6%253A193.pdf09:08
@heathgrr at my copy/paste skills09:09
@heathpaperbot: http://link.springer.com/content/pdf/10.1385%2F0-89603-127-6%3A165.pdf09:09
paperbothttp://diyhpl.us/~bryan/papers2/paperbot/bb54f17b677390c0d88957494619ec07.txt09:09
@heathpaperbot: http://link.springer.com/content/pdf/10.1385%2F0-89603-127-6%3A16509:09
paperbothttp://diyhpl.us/~bryan/papers2/paperbot/9acd94ee51b80b9976d2f2b2b628ddbb.pdf09:09
@heathalso relevant to these links: http://www.reddit.com/r/Scholar/comments/1je4rm/09:13
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@kanzurepaperfairy is infringing on paperbot, kill it with fires09:17
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@kanzurehehe monoprice is selling pdms/abs filament spools now11:16
@bkeroReally?11:29
@bkeroThat's pretty awesome.11:29
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@nmz787kanzure: scribd isn't /that/ bad...12:09
@kanzurescribd charges for access to anything past the second page12:10
@nmz787i'm on the 3rd page12:10
@nmz787just scrolled to the end12:11
@kanzureshrug. i have heard reports of it charging for CC-NC content.12:11
@nmz787it won't let me download without signing in, and maybe paying, i can't tell12:11
@nmz787but a pdf is definitely in my browser12:11
@kanzureif it is on your screen then you have already downlloaded it12:11
@kanzurethat's a png actually12:11
@nmz787err12:12
@nmz787yeah12:12
@nmz787not a pdf12:12
@nmz787"Tanner was himself a naturopathicdoctor, establishmentarian doctorseschewed the affair. Establishmentslike nothing so little as progress notestablished by themselves"12:16
@nmz787kanzure: we could set up something like this fast... the guy fasted " and a little chatting with his public, the size of which would be familiar to a short-story writer on book tour to-day. "12:20
@nmz787'starving for synthesis' a hunger-strike on kickstarter to raise $ for DNA synthesis research12:20
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@nmz787'Nathan McCcorkle survives on nothing but water and primary literature'12:21
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@nmz787"Decadeslater, studies would show that fast-ing followed by a high-fat diet wasas effective against seizures as manymodern anticonvulsants and thatvariants of the Allen Diet were ef-fective against diabetes. But Ameri-ca, then as now, preferred the prom-ise of the pill over a mod-i12:25
@nmz787cation of menu."12:25
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@nmz787whoops, I meant to edit the spaces into that12:25
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@nmz787kanzure: searching monoprice for pdms comes up with no results12:37
@kanzurehmm12:39
superkuhpaperbot: http://www.sciencedirect.com/science/article/pii/S001910351300164412:44
paperbothttp://diyhpl.us/~bryan/papers2/paperbot/Wind%20driven%20capillary-gravity%20waves%20on%20Titans%20lakes%3A%20Hard%20to%20detect%20or%20non-existent%3F.pdf12:44
@fennkanzure: tDCS is safe, cheap, demonstrated to be beneficial. ultrasound is expensive/unobtainable, carries significant danger of accidentally frying parts of your brain, and nobody knows how to use it for good (yet). given these, how can you recommend ultrasound over tDCS?12:46
@kanzurenobody has demonstrated a practical benefit of tdcs except new age bullshit12:47
@fennpretty sure they demonstrated increased learning rates12:47
@kanzurewhereas transcranial ultrasound has caused potentials in the motor cortex to move limbs and even whole whiskers12:47
@fenni can already move my limbs and whiskers12:47
@kanzurethe point of limb movement is that it's extremely obvious that the device is working12:48
@kanzure(or not working)12:48
@fennif i wanted to induce a seizure, there are much safer methods12:48
* kanzure puts on his placebo cap12:48
@kanzurehttp://alittleleftofright.com/wp-content/uploads/2012/08/BeaniePropellerCap-.jpg12:49
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@nmz787paperbot: http://www.nature.com/onc/journal/v30/n30/pdf/onc201191a.pdf12:50
paperbothttp://libgen.org/scimag/get.php?doi=10.1038%2Fonc.2011.9112:50
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@nmz787paperbot: http://www.nature.com/onc/journal/v30/n30/abs/onc201191a.html12:50
paperbothttp://libgen.org/scimag/get.php?doi=10.1038%2Fonc.2011.9112:50
@nmz787friggin12:50
delinquentmewhats the psycholgical effect observed in the netflix prize12:50
@kanzurewhy12:51
delinquentmeI'm observing it happening in me right now12:52
delinquentmeevery girl is a fucking perfect 1012:52
@nmz787paid ezproxy triumphs! http://diyhpl.us/~nmz787/pdf/Fasting_vs_dietary_restriction_in_cellular_protection_and_cancer_treatment_from_model_organisms_to_patients.pdf12:52
delinquentmeim CRANKED12:52
@nmz787delinquentme: maybe you're JACKED12:52
gradstudentbotNo no no no! Use your key commands!12:52
@fenndelinquentme: you're wearing beer goggles?12:52
@nmz787or STACKED12:52
delinquentmenmz787, haha nah I'm not actually surfing any meds right now12:52
delinquentmegreen tea at most12:53
@nmz787i'm sure there's a primary lit article on green tea increasing libido12:53
@nmz787there's even probably a meme to describe that12:53
@nmz787'given sufficient time, one can find vague references to almost any information desired, whether it's true or not'12:53
@nmz787in fact, if it's on the internet, it's true12:54
gradstudentbotI am completely satisfied with the size of my bench space.12:55
@fenngradstudentbot: i'm sure there's an article that shows you're right12:55
gradstudentbotWho has the latest revisions on the paper?12:55
@fenndelinquentme: are you talking about the napoleon dynamite problem?12:56
delinquentmefenn, thats part of it12:57
delinquentmelulzz got her number12:58
delinquentmeFUCK shes a Comp sci kid!?!?!12:58
delinquentmeAND SMOKING HOT12:58
@fennotherwise all i can think of is echo chamber12:58
delinquentmejust moved here.12:58
ThomasEgidelinquentme, hot comp sci girl?.. chances are she's not into guys ;)12:59
delinquentmehahahah12:59
delinquentmenah dude I was geeking out w her she was all touchy n shit too12:59
delinquentmeGAAAHHHHHHHHHHHHHHHHHH12:59
delinquentmeThe world bends.12:59
ThomasEgisomeone divided by zero then.12:59
@kanzure...13:00
@nmz787lol13:00
@fenndelinquentme: how old are you anyway?13:01
@nmz787if she's into delinquentme she's gotta be far out13:01
delinquentmefenn 2813:01
delinquentmehahah nmz787 PREaCH! hahah13:01
@nmz787delinquentme: i woulda guess 2413:01
delinquentmehahahaha13:01
delinquentmeso far death is losing13:01
@nmz787lol13:01
delinquentmewell in the short term.13:01
delinquentmeok srsly. focus.13:01
@fennwe are all immortal13:02
delinquentme*breathes*13:02
@fenndelinquentme: go run around the block13:02
delinquentmeI DID!13:02
delinquentmehahaha13:02
delinquentmeI fucking walked away from my computer and wallet13:02
delinquentmestupid instincts13:02
gradstudentbotHey, does anyone have an extra undergrad?13:02
@kanzurego stare at a blank wall for 5 hours13:02
delinquentmedo you feel alive?13:03
delinquentmehahah13:03
@fenngo hook your brain up to an electrode13:03
delinquentmechemicalsssssss13:03
delinquentmeim shaking13:03
delinquentmehahaha I LOVEEE ITTTT13:03
@kanzureugh13:03
@fenngo learn to tapdance and tell us if it's faster than average after being tazed13:03
@kanzuretoday we've learned that delinquentme doesn't know how to handle relationships or girls13:04
@fennno, we already knew he's a spazz13:04
delinquentmehahahaha13:04
delinquentmeYESSSSSSSS13:04
ThomasEgimy guess upon observing this conversation is: mankind tries to come up with drugs to get the same good feelings like being in a relationship. but without the breakup-pain.13:04
@kanzureuh.. no.13:05
@nmz787delinquentme: playing in traffic might be more edgy now13:05
@fenndodging cars is the new rock climbing?13:05
@nmz787though that buzz is probably associated with evolving to do serial monogamy13:06
ThomasEgibouldering => lorrying?13:06
@nmz787parkour13:06
@fennpark whore?13:06
@kanzurei don't really like it when delinquentme shows up to jizz all over everything in here13:06
@kanzurebut that's practically all he does13:06
delinquentmeThomasEgi, nah I think the drugs we're after are for effects we want13:07
delinquentmeits not advantageous to be tweaking shaky and fight / flight when I'm trying to focus13:07
@fennhmm. are there any OTC beta blockers? propanolol isnt exactly available at the corner store13:08
@fenneucommia (chinese rubber tree) bark, one of the fifty fundamental herbs of TCM13:13
@fenncome on, nobody knows anything about beta blockers besides me?13:18
@nmz787wtf is that?13:19
@nmz787beta particles?13:19
@fennle sigh13:19
@nmz787jk13:19
@nmz787but nothing specific comes to mind13:19
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@kanzurenmz787: http://www.monoprice.com/products/subdepartment.asp?c_id=107&cp_id=1072413:27
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@nmz787fenn: have you ever used comsol?13:30
@kanzurei've used comsol.13:30
@nmz787i'm trying to find out what air turbulence looks like in an s curve13:30
@kanzurei haven't done turbulence of anything in comsol13:30
@nmz787eseentially which of these designs would lead to smoother flow13:30
@nmz787http://pics.tdiclub.com/showphoto.php?photo=89028&title=3-26quot-3b-mk4-tdi-downpipe&cat=551913:30
@nmz787or http://www.ebay.com/itm/1999-2000-2001-2002-2003-VW-Jetta-TDi-high-flow-performance-converter-ALH-engine-/190731568056?pt=Motors_Car_Truck_Parts_Accessories&vxp=mtr&hash=item2c687cc3b813:30
@nmz787the first having less S shape13:31
@nmz787so the path length on each side is different13:31
@nmz787or opposite sides aren't equal at least13:31
@nmz787kanzure: but I don't see PDMS listed anywhere there13:33
@nmz787didn't you say pdms in the logs?13:33
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@kanzurei might have. maybe i was wrong? i think it's entirely possible for me to be wrong about a thing.13:35
@nmz787i think so13:36
@nmz787using paperbot is like gambling, as it's succesful results seemed to have changed since last week13:37
@nmz787paperbot: http://nar.oxfordjournals.org/content/17/17/6959.abstract13:37
paperbothttp://libgen.org/scimag/get.php?doi=10.1093%2Fnar%2F17.17.695913:37
@kanzurewell, someone needs to fix it13:37
@kanzurei have been astounded by the amount of lazy in this channel13:38
@kanzureyou should all be ashamed in yourselves13:38
@nmz787kanzure: did you ever get this series somehow sometime? http://www.springer.com/series/12613:39
@nmz787paperbot: http://www.springer.com/chemistry/organic+chemistry/book/978-3-211-81255-613:40
paperbothttp://diyhpl.us/~bryan/papers2/paperbot/40afa26e37bd4c84832b39081d77f3.txt13:40
@kanzurei don't remember13:41
@nmz787paperbot: http://link.springer.com/chapter/10.1007/978-3-7091-7083-0_613:46
paperbothttp://diyhpl.us/~bryan/papers2/paperbot/c0c998c8aa37db694f645fe45d279eb5.txt13:46
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@nmz787fenn no input on S curve vs half S curve turbulence?14:11
@nmz787kanzure: facebook ping14:19
@kanzureshouldn't you be doing dna things14:19
@kanzurewhy facebook ping14:19
@fennlarger radius turns have less turbulence.. however the air will take a path of least momentum change so D shaped cross sections are best. are you seriously modeling your car's exhaust in comsol? do something useful14:19
@fennfwiw the second one looks higher quality14:20
@nmz787they;re made by same manufacturer, but the second is a different design14:21
@nmz787bith mandrel bent14:21
@nmz787both14:21
@nmz787this problem /does/ seem easier than microfluidics shit14:21
@nmz787since I only care about the turbulence14:21
@fennit's pretty much a solved problem14:21
@nmz787though I guess i could add heat transfer14:22
@nmz787but I don't have any comsol experience14:22
@nmz787i watched an hour lecture on youtube14:22
@kanzurei don't understand the facebook thing14:22
@kanzurewhere am i supposed to be looking14:22
@nmz787kanzure: a soul needs help with getting a job, doesn't know how to code14:22
@nmz787i mentioned you14:22
@nmz787should be in the earth icon14:23
@kanzureit didn't seem to ping me14:23
@nmz787huh14:23
@nmz787maybe you're signed into some pseudonomous account?14:23
@kanzurei am signed into facebook.com/kanzure14:23
@fennbtw nmz787 the length of the pipe changes the resonance frequency, which affects at what speed you get the best efficiency/power14:24
@fennmost older cars are tuned for 55 mph which is sort of slow these days14:24
@nmz787i think not in this case fenn since this is post-turbo14:25
@nmz787heard it chops up that14:25
@fennoh right, TDI, duh14:25
@nmz787seems by upsizing at most i'll achieve lower exhaust temps and thus increase lifespan of turbo14:26
@nmz787since i'm not adding turbo upgrades or bigger injectors or a chip tune14:26
@fennshh dont tell ybit14:29
@fenni lost interest in piston engines when i learned about turbonique and realized the whole industry is fake14:30
@bkerofenn: How about six strokes?14:31
@fenni dont even know what that is or why it would matter14:31
@fennheat scavenging?14:31
@bkeroefficiency14:31
@fennyeah, diesel is interesting from an efficiency standpoint, but that's not what most car hobbyists are trying to do14:32
@nmz787atkinson cycle is close14:33
@nmz787but you can't double the hp and torque in a prius like you can with this car14:33
@fennor maybe this is something like an internal combustion stirling engine14:34
@nmz787(with aforementioned mods)14:34
@nmz787not including a new clutch and flywheel to take the power14:34
@nmz787which i just changed 2 years ago14:34
@fennyou'll still get spanked by any stock motorcycle14:36
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@nmz787yeaa but i do like the cage around me in the car14:41
@fennthe way i see it, you're never going to beat the efficiency of a nuclear/solar/wind powered electric car, and you're never going to beat the power density of rockets (until we get artificial gravity generators) so piston engines are somewhere in the middle14:45
@fennwhy not just put rockets on your electric car, with a recuperative diesel cruise engine14:45
@nmz787>|14:47
gradstudentbotI'll be at the microscope.14:47
@fennthe only sticking point is whether you need to drag the cruise engine around with you all the time, or you're able to plan on cross-country journeys beforehand14:47
@fennre tDCS:14:50
@fennApplying the electrodes to the prefrontal cortex can improve learning and increase your working memory.14:50
@fennApplying them to the motor cortex can raise your threshold for pain and make you more adept with your nondominant hand.14:50
@fennPosition them above the posterior portion of the left perisylvian area (in right-handed people) and they can facilitate language acquisition.14:50
@fennStimulation of the parietal cortex can improve numerical reasoning.14:50
@kanzurei don't think those are easily tested at all14:51
@kanzurenumerical reasoning could mean anything14:51
@kanzurethreshold for pain is not something i'm interested in testing14:52
@fennname something beneficial that is easy to measure14:52
@kanzureit doesn't have to be beneficial. you just need something equivalent to an "on" light that works.14:52
@kanzures/light/indicator14:52
@fennplease elaborate14:52
@kanzurebeneficial stuff comes later14:53
@fennoh, i see, like the blinking LED hello world14:53
@fennbut for brain hacking14:53
@kanzureoscilloscope can check if it's "working" but that doesn't tell you if it is working..14:53
@fennhow about phosphenes, would that be objective enough?14:55
@kanzureyes, that would be fine14:56
@fennwell, that's an observed "side effect"14:56
@kanzurein other words.. not targetable?14:57
@fennoh, "if the electrode is placed near the eye" so it's not proof of a change in brain activity14:57
@kanzurewithout targeting i'm not sure what you expect to be able to do with a tdcs cap once you see a phosphene14:57
@kanzurehaha what. i'm p. sure i've heard of other tdcs/phosphene things before that were not that.14:58
@fennokay say you put your electrode on V1 and see phosphenes, does that change your opinion of tDCS?14:59
@kanzureno, i was already aware of phosphene reports14:59
@fennthen you're just willfully ignoring what you already know15:00
@kanzureyou were the one asking for something to measure15:00
@kanzureso let's flip this around for a sec15:00
@kanzurewith tdcs your plan is to get a bunch of electrodes, get some skull coordinate system, probably stereotactic something system15:00
@kanzurethen record where you put the electrodes and what current you're using15:00
@kanzureand then write down what effects you experience?15:00
@kanzureor are you planning on targeting specific cubic volumes of bran matter somehow15:01
@kanzureor what's the plan here15:01
@fennno, most effects would be difficult to notice15:01
@fennif my language acquisition rate went up, i have no clue how that would affect my subjective experience15:01
@kanzurewhat was that story about a tms setup that was able to switch someone's auditory-verbal understanding on/off15:02
@kanzureit was something. it wasn't vision going on/off..15:02
@fennoh totally, but TMS works by inhibiting areas15:02
@kanzuredifferent areas of the brain work differently based on what you mean by inhibiting.. for instance, thinking correlates to inhibition.15:03
@kanzure(positively, in the upward direction)15:03
@nmz787kanzure: i told my friend to come in here on webchat15:03
@kanzureokay i will be extra mean15:03
@kanzureoh you mean your jobless friend15:03
@fennerm. there's a difference between increasing activity in an area, and overwhelming normal activity with noise15:03
@kanzurewhat did you want me to do?15:03
@fenntell him to send a resume in .doc format with embedded malware15:04
@nmz787he needs to realize he's not stupid and can learn to make good money coding15:05
@nmz787he had autism/aspergers supposedly when we were kids15:05
@fennuh, autism doesn't magically go away when you grow up15:05
@nmz787and i think his mom was overprotective or something, and ruined his confidence15:05
@nmz787fenn: shh15:05
EnLilaSkoA wrong diagnosis might15:06
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@kanzurefenn: that would be a shitty deal. if it did.15:06
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@nmz787kanzure: he said working from home on coding sounded like a scam15:10
@kanzurehahah15:11
@kanzureahahaha15:11
@nmz787thats when i mentioned your name but i guess you can't see it for some reason15:12
@kanzureneed to use @15:12
@kanzureor something. i don't use facebook often.15:12
@nmz787no it autocompleted your name in the comment15:12
@kanzureso he's saying that i'm the one being scammed?15:13
@heathnmz787: at some point it's up to the other person to decide what they want to do15:14
@fennwell working from work on coding is also an option15:14
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@kanzurehow is office life less of a scam?15:14
@kanzureit seems like more of one15:14
@fennhey at least you don't have to pay for office space15:15
@kanzure"Show up to an office, commute for hours every day, and get paid less"... how is that less of a scam..15:15
@kanzurehahah15:15
@kanzure"also you need to pay us $100/week for your desk"15:15
@kanzure(that variant is called coworking)15:15
@fennbut coworking is hip and trendy15:16
@fenneveryone's doing it, how could it be a scam?15:16
* heath is looking for just one epigenetic mark15:20
@heatha name prease15:20
@kanzure"At Scamerica Industries, the opportunities are boundless"15:20
@kanzureask nmz787. he did lots of epigenetic methylation stuff i think.15:20
@heathnmz787: can you name just one epigenetic mark?15:20
@heathh3k27me315:21
@heathgot it15:21
@fennheath: what is an epigenetic mark?15:22
@heathproteins which encode instructions for dna to be compacted further or read15:22
@heathfenn: this woman mentions "epigenetics" at least 100 times in a 15min talk15:23
@heathhttps://www.youtube.com/watch?v=JTBg6hqeuTg&list=WL30BBA7FB07F4331D15:23
@heath.title15:23
yoleauxEpigenetics and the influence of our genes: Courtney Griffins at TEDxOU - YouTube15:23
* heath was eating dinner and watching the video15:24
* heath returns to other readings while not looking at a computer screen15:24
@fennwhat the hell, youtube-dl doesn't work on ted videos15:25
@kanzureyoutube-dl --upgrade15:25
@fennhm weird it works if i delete the &list= part of the url15:26
@kanzurefenn: so, the only other complaint i have about the proposed method is that you can't really use information found in papers to inform your electrode positioning choices, since targeting isn't really doable yet. there was one paper that did some targetting.. maybe i should go review that.15:26
@fennyou have to change your paradigm of "targeting"15:26
@fennobviously you're never going to turn on a single cell, that isn't the point15:27
@kanzurei don't mean stereotactic maps are impossible, but rather that given a name of a mm^3 region of brain goo, you can't do much with that.15:27
@fennthe whole idea is you're upregulating the activity of a broad area15:27
@kanzurei don't think you need a single cell, definitely15:27
@fennbelieve it or not different swaths of brain do different things15:27
@kanzureyes, well, hitting 30% of the brain in a single blast isn't very useful15:27
@fenni disagree15:28
@kanzurewh?15:28
@kanzure*why?15:28
@fennincreasing activity in 30% of the brain is useful15:28
@fennsee above list of benefits15:28
@fennand it seems to be slightly more accurate than that15:28
@kanzureyeah, i pulled the number out of my ass, i don't actually know which number i would be happy about15:29
@fennfMRI may not be as good as fluorescent calcium reporters in zebrafish, but it works on live humans and doesn't do any damage15:30
@kanzurei think it was http://diyhpl.us/~bryan/papers2/neuro/tdcs/A%20novel%20array-type%20transcranial%20direct%20current%20stimulation%20(tDCS)%20system%20for%20accurate%20focusing%20on%20targeted%20brain%20areas%20-%202011.pdf15:30
@fennjust because the tools we have aren't perfect doesn't mean we should never use them15:30
* fenn mumbles about triple negatives15:30
@fennyeah i don't believe that paper15:31
@kanzurewhat do you not believe about it?15:31
@fennit treats the brain an an isotropic medium, but tensor imaging shows that's obviously not the case, and further that the structure is different between individuals15:32
@kanzurethe structure is different but they were using the scan of a single brain and i think their study was w.r.t that model15:33
@kanzureso that point isn't valid. i think it's okay if we demand everyone gets a brain scan before stimulating it.15:33
gradstudentbotDid you order the carbon nanotubes yet?15:33
@fennalso, even with their bogus assumptions, the specificity still sucks15:33
gradstudentbotIf I was your endoplasmic reticulum, would you want me smooth or would you want me rough?15:33
@kanzurei agree that different regions of the brain are more conductive than others, and you can probably measure that under fMRI..15:34
@fennpretty sure they just scanned for geometry. see section II-A "since the inhomogeneous electrical conductivity distribution of a15:35
@fennfucking pdfs15:35
@fennhuman head cannot be estimated accurately even with the15:35
@fenncurrently best imaging modalities, we used widely accepted15:35
@fenneffective electrical conductivity values of head structures.15:35
@kanzurethat probably means skin/scalp/bone stuff and not the brain matter15:36
@fennyes, it does15:36
@fennbut it shows they didnt even try to measure the brain conductivity itself, or weren't aware of it15:36
@kanzurei'm sure someone has tested the electrical conductivity between regions of the brain15:36
@kanzureand if they haven't then we should get the backyard brains guys to do that with some rabbit/cat brain or something15:36
@kanzureor rhesus brain.15:36
@kanzurei bet you could make an automatic test apparatus that rotates the brain and changes probe insertion points or something15:37
@fennand anyway, even if you do have a perfect model of a bowl of salty jello, you're never going to be able to focus DC on a single point that isn't close to the surface15:37
@fennit's just not in the equations15:38
@nmz787the only epigenetics i've followed is the starving while pregnant influencing insulin regulation in next generation15:39
@nmz787figure it might impact me since my mom was bulemic during my carriage15:39
@fenncool15:40
@fennso you are like an X-men mutant or something?15:40
@kanzurefenn: http://diyhpl.us/~bryan/papers2/paperbot/664a7fef7c56221148ab75759d29f431.pdf15:42
@fennwah, reading is too hard15:43
@fennsomeone get to work on artificial genetic memory15:44
@fennwhat's the epigenetic differential for "expert neuroscientist"15:44
@kanzurei regret naming files with random hashes15:48
@kanzurewhy the fuck did you guys let me get away with that15:48
@fenndidn't know they were random until too late15:49
@fennwhy didnt you at least use md5?15:49
@kanzureno clue.15:50
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anannieI love this channel15:51
anannieI can't remember the last time I was being challenged like this...15:51
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@kanzurefenn: the other complicating factor- besides just randomly testing different electrode configuration- is that different stimulation patterns are different, and then you have to go through the whole test battery again.15:54
@kanzurefenn: this is partly why i think targeting helps with informed decisions about what stimulation to try15:54
@kanzuresuperkuh: how would you pick what to stimulate?15:54
@fenn"different stimulation patterns" meaning multiple areas at the same time?15:55
@kanzurei meant duration/timing15:55
@fennor do you mean stuff like tACS15:55
@kanzurewave shape stuff15:55
@kanzureerm, i mean, timing function15:55
@fennsure, same thing more or less15:55
@kanzureyeah, in the case of tACS it would be wave shape15:55
@fennlet's make up a new acronym, tPCS15:56
@fenntMCS15:56
@fennno that's too close to TMS15:56
gradstudentbotAre there any of those hamster ovaries left?15:56
@kanzureacronyms are dumb. transcranial dc is really obvious.15:56
@fennany electrical engineer knows there's a world of difference between steady-state DC and some kind of pulse train or waveform with a positive bias15:57
@fennbut they're both technically "DC" so it's ambiguous15:57
@fennif we're going to try to reduce the parameter space, we need to use some theory. in (ahem) "on intelligence" the idea that all cortical cells are pretty much the same means we can search for the optimal stimulation waveform and use it on any area15:59
@fennif you're targeting non-cortex then you have to re-do the waveform tests..16:00
@kanzurethere are different regions of the brain that operate very distinctly. some are sparse ensemble encoders that work via inhibitory neurons. others are just the opposite.. i don't see your point.16:00
@fenni didn't say the whole brain was the same, just the cortex16:00
@kanzurethere are many cortexes yo16:00
@fennbah16:01
@fennanyway the number of permutations and the testing time are too big and sloppy to feasibly brute force16:02
@kanzuresomatosensory cortex, primary motor cortex, auditory cortex, blah blah blah16:02
@kanzureyes, i agree16:02
@fennanannie: did you decide on a project yet? you wouldn't want to end up like me16:03
ananniefenn: I'm building a hexapod this week16:03
anannieI've been busy with work, so the building bit hasn't happened16:04
ananniebut I'm gonna build it16:04
@fenndid you know lego used to have pneumatic components?16:04
poppingtonichas anyone considered studying the relationship between isotropic temperature (through IR emission) regions in the entire nervous system and sensations?16:04
ananniefenn: It still does16:04
ananniefenn: I used to have those16:05
@fennouch. well if you can't afford $10 per cylinder, you can use syringes16:06
ananniefenn: Syringes have issues with the gasket breaking down after regular use...16:07
@kanzurefenn: using the same waveform on any region of the brain isn't going to work. can you think of something else?16:09
@fennpoppingtonic: it has more to do with blood flow than temperature, but https://en.wikipedia.org/wiki/FNIR16:09
@kanzurethere are many studies about different types of neurons and how they behave to different stimulation (while in a dish)16:09
@kanzureso if there's some way that information could be used to make informed decisions somewhere else, that would be useful16:09
@fennbut cortex is mostly pyramidal neurons16:10
ananniepoppingtonic: Why did you specify isotropic, btw?16:10
@fennso who cares what's in the blob of the day16:10
@fennisotropic usually means the blackbody is in temperature equilibrium (i think)16:11
@fennor maybe there are crystals that emit directionally?16:13
@kanzurewhat would the plan be for the problem space anyway? this is a very combinatorial problem. more than there are potential test subjects.16:15
poppingtonicanannie: Because of how information travels between neurons.16:15
ananniepoppingtonic: That's a gradient right?16:15
@fennkanzure: so you're assuming tDCS/tACS has a permanent effect16:16
@kanzureno16:16
poppingtonicanannie: yeah. My explanation is quite lengthy, I'll have to put it up on refheap.16:17
@fenn"A body in the cavity is at thermal equilibrium with the thermal isotropic radiation inside the cavity temperature T of its surrounding." mumble grumble16:17
@kanzurei can imagine effects that last for a few seconds during stimulation, that last for a few minutes after stimulation, that last a few hours after stimulation, some that are permanent, others that occur only after 20 minutes of stimulation and only then for 15 seconds, etc.16:17
@kanzurethis is why i think we need to be able to model parts of the brain and then predict what stimulation will do, or ways to break its normal operation16:18
@kanzureand then repeat that in a physical test16:18
@fenni bet most of the effects are of duration 1-2 days and don't appear for several hours16:18
@fennsince it seems to be based on genetic transcription (for tDCS at least, dunno about tACS)16:19
@kanzuretranscription..? according to a paper?16:19
@fennyeah haven't you read any of the papers? supposedly it activates BDNF (a protein hormone)16:20
@kanzurei have been occupied with a totally different set of things in working memory today16:20
@fennbut there could be other mechanisms at work in addition to BDNF16:22
@fennwant to study it? add another 1000 free parameters to your testing regime16:22
@fennpoppingtonic: also considering that the only source of energy in the brain is oxygen, fMRI is mathematically equivalent to your idea, since burning more oxygen means more energy is emitted16:25
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poppingtonicfenn: there's another source of energy: light from the eyes. I think this is overlooked.16:28
@fennum, what?16:28
poppingtonichttps://www.refheap.com/1707416:28
@fennare you a breatharian?16:29
poppingtonicwhat is that?16:29
@fennuh, it doesn't matter16:29
@fennanyway you're vastly overestimating the signal to noise ratio available from (non-calorimeter) temperature measurements16:30
@fennlet's make it easy, say you have a slice of neural tissue culture firing away on a microscope slide, and you point your microbolometer array at it16:31
poppingtonicOh, No no, I'm not a breatharian.16:32
@fennafter a neuron fires, its temperature increases by, oh, let's say one microjoule16:32
poppingtonicuh huh16:32
@fennhrm units units16:33
@kanzureyou should bug superkuh to say things about that16:34
poppingtonicwow I just realized how speculative I was getting.16:36
@fennoh, water is 4.18J/g16:37
@fenndegree16:37
@fennguh16:37
@fenni hate temperature units16:38
@kanzuremake your own16:39
@kanzureand make sure it resolves to bits somehow16:39
poppingtonicfenn: I understand how it would be extremely difficult to measure, since a synapse is such a tiny region of space, surrounded by a mass of (non-uniformly) heat-absorbent meat. I'd underestimated the s/n ratio. Some time in the future, maybe it'll be possible to run such an experiment and not get useless noisy data.16:40
@fenni'm not sure you'd ever get useful data out, even with perfect sensors16:41
@fennmostly because of the opacity of the skull, and of the brain itself16:42
@fennthe CLARITY technique is useful because it makes the whole brain have the same refractive index (and thus it becomes clear to visible light)16:43
@kanzuresuperkuh: ping16:43
poppingtonicanannie: thanks for that link. Awesome.16:43
@kanzurefenn: http://superkuh.com/library/Neuroscience/Lipid%20Membrane/A%20note%20on%20the%20local%20current%20associated%20with%20the%20rising%20phase%20of%20a%20propagating%20impulse%20in%20nonmyelinated%20nerve%20fibers_%20tasak.pdf16:44
@fenni'm not sure what the transmittance (opacity) spectrum of the brain looks like16:44
@fennkanzure: is this for calculating the temperature rise or what?16:45
@kanzuresort of. i'm trying to find the things superkuh would say if he was here.16:45
@kanzurethis isn't exactly the reference i was hoping for. but his collection was stolen/deleted a few years ago.16:45
@fennthere's a lot more energy dissipated beyond just ohmic heating16:46
@fennby "a lot" i mean miniscule amounts, but relatively larger16:46
@fennheh i just got the "make sure it resolves to bits" reference16:48
@kanzureall temperature things can eventually be resolved as being something to do with entropy and bits16:49
@kanzure(insert handwaving here)16:49
@fennwhat is the entropy of one hand waving16:49
@kanzure116:49
@fennif a hand waves on the internet, does anybody care?16:49
@fennhow many hands waving does it take to screw in a light bulb16:49
poppingtonickanzure it's 1/216:50
@kanzurewell to be honest i was trying to get him to complain about my unitless value16:50
@fennall units are unitless, dude16:50
poppingtonicwe all know it's in bits..16:51
@fennit's like, natural16:51
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gradstudentbotYou know, I can just do consulting.16:52
@fennGNU units doesn't have some of the weirder information theory units16:53
@kanzuredefinitely a bug16:53
@kanzure"Mechanical changes in squid giant axons associated with production of action potentials."16:54
@kanzure"Rapid structural changes in nerve fibers and cells associated with their excitation process."16:55
@fennwhy is it "polycarbonate transmittance spectrum" has tons of graphs popping right up, but "neural tissue transmittance spectrum" is a bog of bogus results16:55
@kanzuregrr aptitude Fetched 1,314 MB in 1h 3min 51s (343 kB/s)16:57
@fennupgrading?16:57
poppingtonicwhy polycarbonate?16:57
@kanzureit wants me to remove openoffice.org-base.. i wonder if debian jessie is switching to freelibreoffice or whatever.16:58
@kanzureyeah, i decided to make the jump from wheezy to jessie16:58
@fennpoppingtonic: it's just a random optically clear material i picked16:58
@fenni haven't needed to use openoffice for, well, ever16:59
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@fennif i need to preserve formatting in a .doc i use google docs and "save as"16:59
@kanzurehehehe http://russian.alibaba.com/17:00
@fennwhy is that funny?17:00
@kanzureit's like the best of the seedy crap the russians do, with the wide spectrum of bulk availability on everything of chinese alibaba17:01
@kanzure"you want russian dna synthesizer? here you go, five dollar."17:02
@kanzurealso, i visited mom's shop the other day. i haven't been there in about 10 years.17:02
@fennpoppingtonic: another minor error you made is that not all neurotransmitters are charge carriers, for example serotonin has no charge17:02
tomkinscpaperbot: https://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=64354&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D6435417:02
paperbothttp://libgen.org/scimag/get.php?doi=10.1109%2F3.6435417:02
@kanzurei'm not sure why she has a $50,000 saw http://www.ebay.com/itm/2006-Holz-Her-1485-Triathlon-edgebander-/281081500913?pt=LH_DefaultDomain_0&hash=item4171c354f117:03
poppingtonichmmm...17:03
@fennso paperbot definitely shouldn't redirect a request for ieee to scimag/get.php right?17:04
@kanzurewell.17:04
@kanzurefenn: see pm17:04
poppingtonicthat was an error, yes.17:05
@kanzureokay that's all17:05
@kanzurei think uploading to libgen should be disabled for now17:05
@kanzureit's a minor change to paperbot but nobody has done it yet17:05
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@kanzurepaperbot: https://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=64354&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D6435417:05
paperbothttp://libgen.org/scimag/get.php?doi=10.1109%2F3.6435417:05
@kanzureoh also i don't know if ParahSail1n made it circumvent my ieee-login-url-fixer17:06
poppingtonickanzure: paperbot works that quickly? Me likey.17:06
@kanzurepoppingtonic: https://github.com/kanzure/paperbot17:07
@kanzurepoppingtonic: i'm in the middle of a rewrite into javascript17:07
@kanzureactually cogitokat wrote a lot of javascript for this rewrite17:07
@kanzurei guess she's busy playing dead at the moment17:10
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fennpardon the obvious question, where's the rewrite? last commit to paperbot.git was 22 days ago (in python)17:10
@kanzurenot public yet, i wanted to get the architecture right17:10
fenngah i have no idea how to use github anymore17:11
@kanzurejust ask17:11
fenni just couldnt figure out what to click on to see a diff17:12
@kanzurei usually just type the url i want17:12
@kanzurehttps://github.com/:username/:reponame/commit/:commit_id.diff17:13
@kanzurehttps://github.com/kanzure/paperbot/commit/b6977593cd222d6d30b58566cdb478c9d7466882.diff17:13
fennyeah well i just flip the switches in binary on front of my mainframe that runs the universe17:13
cogitokatimpressive17:14
@kanzureyou mean an IBM S/360? sure whatever man :)17:14
fennthe S stands for "solipsist"17:14
@kanzurei wouldn't like github at all if i couldn't just type out the urls i want17:15
@kanzuremeanwhile sourceforge is still http://project.cvs.viewcvsweb.sourceforge.net/cvsroot/cvs/project/viewcvs.cgi/cgi-bin/TRUNK/myfile.c?diff17:16
fennthey get a dollar every time you type "cvs"17:16
@kanzuredon't let the javascript rewrite stop you from hacking paperbot into working.17:17
@kanzurebecause this pile of javascript is only for fetching17:17
@ParahSail1nhm i already started a rewrite17:18
@kanzurei call it papermonk17:18
@kanzureand then something else will get to be called paperpunk17:18
fennshouldnt it be paperjunk17:19
@kanzureno17:19
@kanzureman you just shot me down on those two names17:20
@kanzurei thought i was doing good17:20
cogitokatfenn doesn't understand ):17:20
fenni thought "j for javascript, p for python, m for ... "17:20
@kanzureoh, yeah, i don't know how to mentally resolve that conflict17:21
fennbut i couldn't think of any programming languages with M besides matlab and ML, and those didnt make any sense17:21
@kanzurei started naming my git repos python-whatever.git and then it would provide a "whatever" python egg.17:21
@kanzurebut then what is papermonk? node-papermonk? it runs in browsers too, so what's so node about it?17:21
poppingtonicwhat about Malbolge?17:23
poppingtonicpaperclunk (clojure)17:23
@kanzurei don't want to write in clojure17:23
poppingtonicum, what?17:24
@kanzurehuh?17:24
poppingtoniceverybody should want to write in clojure  :)17:24
@kanzurethe reason i chose javascript was because i could use my library to replace all of zotero's translators17:24
@kanzureand then i can have zotero's 300,000 users maintain my scrapers for me17:24
@kanzureimho their javascript infrastructure sucks a lot17:25
@kanzurei don't think they even planned it out originally17:25
@kanzureso the advantage of doing it this way is that i don't have to manually write scrapers for 300 academic publishers and their shitty html17:25
fennis it even possible to plan out a scraping system before you start?17:25
@kanzureyeah17:25
@kanzurezotero has shown that you don't require that many functions17:25
@kanzurethe way i have written the js version is highly modular17:26
@kanzureeach scraper is a separate module up on npmjs.org17:26
poppingtonicwhoever wants to write for specific publisher can do it themselves?17:26
@kanzureand then there's a meta package (papermonk) that depends on all of those17:26
fennso are you rewriting zotero now?17:26
@kanzurenot quite17:26
@kanzurezotero is still a firefox extension17:26
fennum, the zotero backend then17:26
@kanzuresure. paperbot already does that in a few places. and why have both javascript and python doing the same thing?17:27
fennmaybe this explains why i can't figure out what's going on in the existing codebase17:27
@kanzurepaperbot uses zotero translation-server to try zotero translators, then falls back to python, then falls back to scihub17:27
@kanzuredid you look at the README?17:27
@kanzurethe reason you don't understand it is because the code is a bunch of bullshit17:27
@kanzureand poorly written17:27
fenni never actually looked at translation-server17:29
@kanzureit's awful17:29
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@kanzureto see it in action.. try this in python:17:29
@kanzureimport requests; import json; response = requests.post("http://gnusha.org:1969/web", data=json.dumps({"url": "http://www.nature.com/nnano/journal/v5/n10/full/nnano.2010.193.html", "sessionid": "what"}), headers={"Content-Type": "application/json"}); print response.content17:29
@kanzureif you don't have requests then you are a bad person and should sudo pip install requests or sudo apt-get install python-requests17:30
fennis there a safer way of transforming json into a data structure besides 'eval'?17:34
@heathJSON.parse17:39
@heath/maybe?17:39
fennin python. i'm messing with json.loads() right now but it's being annoying17:43
@heathooh ipython, how i love thee17:44
fenn"Since the JSON specs specifically state strings as Unicode simplejson should return Unicode objects." this is bullshit17:45
fennthe whole point of JSON is readability, so adding u' to everything is just dumb17:46
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fenn<-- ascii chauvinist17:47
fennmaybe this is just a python issue, nevermind17:48
@kanzureimport simple json; simplejson.load()17:49
@kanzurepython3 is what you want17:49
@kanzureu'' is just a unicode object and python3 fixes this17:49
fennright17:49
fennsimplejson returns strings, whereas the json module returns unicode objects17:50
fennwhere do things like "volume":"5","pages":"712-717" come from?17:52
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@kanzurefenn: those are directly from the zotero translators17:55
@kanzurehttps://github.com/zotero/translators17:55
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@kanzurethere are many problems with these, like (1) they don't have a lot of unit tests, (2) it's really hard to run all of the tests and to see the status, (3) there's no test data other than fetching all the content each time (no fixture data of historical html to check if old stuff still works, in case they revert), (4) hard to run a url against them to see which ones claim to support that url, (5) impossible to use this outside the context of ...17:56
@kanzure... the zotero firefox extension (even though it's supposed to be normal javascript)17:56
@kanzureexample: https://github.com/zotero/translators/blob/master/ScienceDirect.js17:57
@kanzureoh also (6) none of this follows modern javascript development practices17:57
@kanzureand (7) it's non-obvious how to fix things without reading all of the zotero documentation, because of their wacky system17:57
@kanzure"doWeb" is a terrible name.17:58
@kanzurealso (8) their scrapers- for whatever reason- directly call zotero functions that have nothing to do with scraping (wtf)17:58
fennnot minifying your code would be a good step towards maintainability17:58
@kanzurenone of this is minified17:58
@kanzureunless you found some?17:59
fenni'm looking at github.com/zotero/translators.git17:59
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@kanzurein javascript land minified has a very specific meaning17:59
fennunction flatten(c){var b=new Array();for(var d in c){var e=c[d];if(e instanceof Ar17:59
fennray){b=b.concat(flatten(e))}else{b.push(e)}}return b}var FW={_scrapers:new Array()};FW._Base=function(){this.call17:59
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@kanzurewhere is that?17:59
fennNational Archives of the United States.js and other places18:00
fenni just did "grep pages ./" and got reams of spew18:00
@kanzurehttps://github.com/zotero/translators/blob/master/National%20Archives%20of%20the%20United%20States.js18:00
@kanzurei like how it's not commented18:00
@kanzureand at the end there's a Zotero.wait()... even better. :(18:01
@kanzurehaha they just have test urls in comments18:01
fennwhat do you think the /* FW LINE 51:6e1628381879 */ means?18:01
@kanzureline number and commit id.. but i have no idea why.18:02
fennlike, "this is what it looked like before we mangled the shit out of it"?18:02
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@kanzurethat isn't a commit id in its history https://github.com/zotero/translators/commits/master/National%20Archives%20of%20the%20United%20States.js18:02
fennit could be a commit in another repo18:03
@kanzurenot worth it18:03
@kanzurethis isn't salvageable18:03
@kanzureParahSail1n: what do you wanna do about the duplicate rewrites18:04
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@kanzurei'll accept merging duties because it isn't like me to not publish a rewrite immediately18:05
fennpoppingtonic: if you don't know about this, you might find it interesting http://en.wikipedia.org/wiki/Magnetoencephalography18:07
fenni wonder if google refine (formerly gridworks) would be the right way to go about creating translators18:13
fenni mean if it's going to be opaque auto-generated code anyway18:14
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@kanzureit's not auto-generated18:26
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@ParahSail1nnah, we'll go with your rewrite18:32
@kanzureokay18:33
@ParahSail1nis your rewrite going to try to keep some compatbility with zotero translators?18:47
@kanzureno18:50
@kanzureunless you be more specific?18:50
@ParahSail1nnah, just checking18:51
@kanzurei don't see a good way to do it18:51
@kanzurei think zotero's translation framework needs to be an actual framework18:51
@kanzurethat uses commonjs to guide how they write things18:52
@kanzurethe upgrade to jessie destroyed or lost all of my gnome-terminal color preferences18:53
@kanzurei guess that's what i get for using fucking gnome-terminal. what a terrible idea.18:53
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@nmz787kanzure: how does this work? http://www.maxmax.com/aMagicMindRead.htm19:00
@nmz787this is the explanation it gives, but I don't see any javascript19:00
@nmz787http://www.maxmax.com/aMagicMindReading.htm19:01
cogitokatum I think it changes all the cards d:19:04
yashgarothoh man that brings me back19:04
cogitokatIf you write down what all the cards are and then click through, all of them are different. It's just hard to keep track of the ones you did not pick.19:06
@kanzure"As many as 24 players could be suspended as soon as Friday in the performance enhancing drugs scandal that is enveloping Major League Baseball."19:06
@kanzurehahah "Former Biogenesis employee Porter Fischer tried to sell Yankees star Alex Rodriguez documents for $1 million19:09
@kanzurehttp://en.wikipedia.org/wiki/Biogenesis_of_America "Several employees quit in the fall of 2012 after they were not paid"19:10
@kanzurebeautiful19:10
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@kanzurehttps://www.facebook.com/pages/Biogenesis/50952717239762819:12
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@nmz787i made a 90 degree bent tube in autodesk http://imgur.com/4mKBteB,FqbLDJm20:25
@nmz787processing in comsol now with turbulent flow setting20:26
@nmz787had to transfer it via iges, because the autodesk version is too new20:26
@nmz787well this isn't simple20:40
@kanzureis this for the car or for the other machine20:55
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@nmz787well just trying things21:00
@nmz787there's a demo of water in a pipe that has a lot more crap than I woulda thought to add to the comsol menu list thing21:01
@nmz787seems like it's gonna take a while to solve21:18
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* heath sucks at regex21:23
@kanzurechances are high that regex is the wrong choice anyway21:24
* heath fetches http://libgen.info/view.php?id=89789721:25
@heathif you're in python, correct21:25
@heathif you're using the immature node ecosystem, and you don't have a decent robotsparser...21:26
@kanzurehow about require("robots")21:27
@heathhah21:28
klafkaman it seems to me that # of cores hasn't really kept pace with amount of memory needed21:29
* klafka really wants an ec2 instance with 256gb of ram21:29
@kanzuremaybe you are just buying the wrong computers21:30
klafkai'm not buying computers21:30
@kanzurei think jrayhawk recently acquired himself a 32 core thing?21:30
klafkawell i have a 32 core machine21:30
klafkabut only 144gb ram21:30
klafkathat's only 4.5gb per core21:31
klafkawow wait nvm21:32
klafkathey upgraded them to 24421:32
klafkaoh cool21:32
klafka  Mem[||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||226053/245751MB]  :(21:32
valyapwe should genetically engineer some bacteria21:36
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klafkahttp://arstechnica.com/tech-policy/2013/07/oakland-accepts-federal-funds-for-controversial-vast-surveillance-setup/22:17
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AshleyWafflehttp://www.foc.us/23:20
@kanzurecheck the logs, etc..23:22
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--- Log closed Thu Aug 01 00:00:42 2013

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