2016-07-09.log

--- Log opened Sat Jul 09 00:00:52 2016
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chris_99Does anyone think you could modify yeast to make them metabolise sugar faster out of curiousity06:45
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FourFireDoes anyone know the current lowest going rate for 1KB DNA synthesis?07:35
FourFireCurrently have a website that says $230 per kb07:35
ebowdenSome people do it at 3 cents a base pair.07:39
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FourFireebowden, source?07:44
FourFireis it biohacker labs which do it at a loss?07:44
FourFire(I mean if not, that's pretty cool, only 1.5 Billion SD to synth a human genome instead of 13)07:45
ebowdenOh, shit, they might not be offering it yet.07:45
ebowdenThink it might have been these guys: https://www.gen9bio.com/solutions/custom-gene-synthesis07:46
ebowdenhttp://www.businesswire.com/news/home/20160321005748/en/Gen9-Announces-Generation-BioFab%C2%AE-DNA-Synthesis-Platform07:47
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kanzurehrmph08:31
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kanzureyashgaroth: thanks for doing that writeup10:57
yashgarotheh, needed to be done, but you're welcome10:57
yashgarothnow to convince ThermoFisher that I am a legitimate business entity10:58
kanzureuse biotechnbeyond for that10:59
yashgarothmight still need to incorporate myself, will have to confer with jojack11:00
chris_99do they actually check you out11:00
kanzureno, they just need an address and business number thingy11:00
chris_99ah11:01
yashgarothnot as much as sigma but it'd probably be best to have a sole proprietorship11:01
chris_99oh i wanted to buy something from sigma11:01
yashgarothbest of luck to you11:03
chris_99oh are they that bad11:03
yashgarothare you in the UK or am I thinking of someone else11:03
chris_99UK yeah11:03
yashgarothwell once the queen approves your license or whatever they do there, get yourself a commercial shipping address and business credit card11:04
chris_99ah heh11:04
chris_99i guess the restrictions are due to silly laws aimed at preventing terrorism or something?11:06
ebowdenThey are indeed silly.11:07
yashgaroththeir liability in general, since once you're approved there's all kinds of ass-crazy shit you can buy on there11:07
chris_99hmm, but i'm sure people with intentions to do bad, could get the chemicals elsewhere anyway11:07
yashgarothwell you can't buy a kilo of cyanide on ebay, maybe on amazon11:08
chris_99heh true11:09
chris_99but could you not extract it yourself from millions of apple pips ;)11:09
ebowdenKids, we all know cyanide isn't hard to make.11:09
ebowdenYou could, but you wouldn't use apple pips.11:10
yashgarothbut yes most stuff you can get elsewhere, sigma is just the gold standard11:12
chris_99gotcha, i guess they certify the purity11:12
chris_99etc too11:12
ebowdenPlenty of places sell stuff cheaper, sometimes to greater purity.11:12
chris_99oh interesting11:12
kanzureyashgaroth: btw we should do aerosolized mdma11:12
xentracheh, "gold standard" is a particularly funny term when it comes to cyanide11:13
ebowdenNo, use the active, non-toxic metabolite.11:13
chris_99are there any places you know of in the UK ebowden11:13
ebowdenDepends on what you want.11:13
ebowdenWait, you can't import?11:13
yashgarothkanzure I will put my top men on it11:13
kanzurethanks11:13
ebowdenYou realise that one of its metabolites is a fairly potent neurotoxin?11:14
chris_99ebowden, at the moment i was just looking for skoog medium, i noticed i can get that on ebay though11:14
ebowdenReally, depends on what you want. LC labs are fucking awesome for kinase inhibitors.11:15
ebowdenWhich, in doses one hundredth of that used in chemo, are extremely promising for treating practically anything involving protein plaques, tangles and aggregates of other kinds.11:17
ebowden(Autophagy induction.)11:17
ebowdenkanzure: https://en.wikipedia.org/wiki/Methylenedioxyamphetamine11:19
CaptHindsightheh, sigma, I never buy from them. Their prices are 10-100x of anyone else.11:19
ebowdenIt's ridiculous.11:20
CaptHindsightthey take about a week to approve you11:20
CaptHindsightyou just need a commercial lease that states that you have a lab and can receive chems11:21
chris_99ah11:21
CaptHindsightso plan ahead11:22
CaptHindsightor buy elsewhere11:22
CaptHindsightlike China11:22
ebowdenGotta be careful, lot of fake shit sold there.11:22
ebowdenSometimes mix ups.11:22
CaptHindsightyeah, you need to find good suppliers in China11:23
ebowdenThere are trustworthy vendors that buy big batches and test them both in-house and 3rd party.11:23
CaptHindsightbut it's well worth the time11:23
kanzureyashgaroth: should CaptHindsight be shown the proposal?11:23
yashgarothsure11:24
CaptHindsightand everything from China is marked "colored dye"11:24
yashgarothto be fair I don't expect to need to buy anything from Sigma, most everything else for protein work is remarkably on ebay/amazon11:24
CaptHindsightwell in small quantities <few Kg11:25
xentracwho are good suppliers?11:25
CaptHindsightyeah, buying from Sigma is like going grocery shopping at the airport11:25
CaptHindsightxentrac: make friends in China11:28
xentracdo you visit China often?11:28
CaptHindsightxentrac: have them deal wit the locals in their own language and currency11:28
xentracah, I see what you mean11:28
CaptHindsightI used to spend about half the year there11:29
xentrachow was that?11:29
chris_99cool, have you been to shenzen? (sp?)11:29
CaptHindsightI have some suppliers there that tack on a few % for whatever I need11:29
CaptHindsightsure, Shenzhen is right across the border from Hong Kong11:30
CaptHindsightbut I get 1 million piece pricing + 2%11:31
CaptHindsightor several ton pricing + 2%11:31
CaptHindsightfor my 10K parts or 10Kg of something11:31
xentracbecause your suppliers trust you to pay and not make trouble11:31
xentracI guess?11:31
CaptHindsightyeah, everyone wins11:32
CaptHindsighttheir guberment gave me $, offices and a factory as well near Shanghai11:33
ebowdenYou have a fucking factory?!11:34
chris_99haha11:34
CaptHindsightyeah they want your IP, but they also pay for it11:34
ebowdenWhat the fuck did you do to be given a factory?11:35
CaptHindsighta few years ago they had a startup program to find and fund ~1k new companies11:35
CaptHindsightwe were approved near instantly11:36
chris_99wow :)11:36
chris_99can you speak Chinese then11:36
CaptHindsighthttp://sinotech.ch/2013/03/nanjing-321-plan/11:37
ebowdenWhat do you do with this factory?11:38
CaptHindsightadditive manufacturing and radcure resins11:38
CaptHindsightwell really anything as long as you make money11:39
ebowdenYou make the resins? :D11:39
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CaptHindsighthttps://ibin.co/2nUYCsjfEeEy.jpg  they let you pick your space11:41
CaptHindsightthey charge you next to nothing for it11:41
CaptHindsight10K sq ft is like $500/mo11:41
ebowdenSo, do you make the actual resins?11:42
CaptHindsightyes11:42
CaptHindsighthttps://ibin.co/2nUYmTUbgm49.jpg  you get bare insides11:43
CaptHindsightso you have to build it out yourself11:43
xentracnice!11:43
ebowdenSo, any synthesis involved?11:44
CaptHindsightmostly blending but yeah some synthesis11:44
CaptHindsightreactors are cheap in China11:44
ebowdenOh, what did you synthesise?11:45
xentracis everything cheap in China, or are some things more expensive?11:45
CaptHindsightbut it's often easier to just hire someone with a reactor to make it for you11:45
CaptHindsightthings made in China are automatically 10-20% cheaper when sold to other Chinese11:46
CaptHindsightforeigners always pay more11:46
CaptHindsightebowden: oligomers11:47
ebowdenCaptHindsight, talk to the guy that owns Ceretropic and Nootropics Depot. He might be able to use some stuff you might be able to make.11:47
CaptHindsighthaving been working with much bio there yet11:50
CaptHindsightmostly industrial11:50
CaptHindsightit was hard enough to find suppliers with low contamination in their industrial monomers11:51
ebowdenWould you make, say phenylpiracetam hydrazide?11:51
ebowdenDo tablet pressing?11:52
CaptHindsightnot really my focus right now11:52
CaptHindsightyou screw up a batch there and you end up with a bullet in your head courtesy of the Chinese guberment11:54
ebowdenOh, he tests them all, anything bad he'll tell you about.11:55
ebowdenThey won't end up with consumers.11:55
CaptHindsightyou hear the stories about melamine in baby formula or lead in kids toys11:56
chris_99yeah, what happened to the manufacturers that caused that11:56
ebowdenExecuted.11:56
CaptHindsightwhat you don't hear about in the west is how the heads of those co's ended up with lead poisoning11:57
ebowdenI sure as hell heard.11:57
ebowdenCaptHindsight, this guy tests every batch, in house and third party. What government consequences are there for getting a batch sent back?11:58
CaptHindsightat the same time you can buy fat spray on TV to lose your belly fat instantly11:58
ebowdenThis person got into the industry because he used the products, and was frustrated with the state of it.11:59
ebowdenOriginally, he was just a guy on noots boards who would point out all the bullshit, basically the immune system. People begged the man to go into business.12:00
CaptHindsighthttps://ibin.co/2nUeghrWDXbG.jpg12:02
CaptHindsightif they spray actually hurt people then it could be a death sentence for the sellers12:02
CaptHindsightbut since it's just a safe foam it's "buyer beware"12:03
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ebowdenYou're worried about putting out contaminated batches?12:03
CaptHindsightthat would be a concern, but it's just not my focus to make those kinds of chems right now12:04
ebowdenOk. Precursors for peptide synth?12:05
CaptHindsightworking on rapid DNA/RNA synthesis since nobody really is12:06
CaptHindsightlots of talk, but no action12:06
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ebowdenI thought you did anything that made money.12:08
ebowdenHow much do you know about developing synths?12:11
CaptHindsightHow many tons do you need? How will you finance it?12:14
ebowdenIt also depends on the structure of the molecule.12:14
CaptHindsightmaker types tend to want a few custom Kg's of something and what the 100,000 Kg price12:15
CaptHindsightI call them dreamers12:15
ebowdenlol12:16
ebowdenCould this be made cheaply? https://www.tocris.com/image.php?ItemId=39325212:16
ebowdenLM11A-31, a very, very promising drug candidate.12:16
CaptHindsight"my time is near worthless, yours should be to"12:16
ebowdenlol12:16
ebowdenSorry, I didn't mean to waste your time.12:17
ebowdenHonestly was hoping to get you some business. The guy deals mostly with China anyway.12:17
ebowdenCaptHindsight: http://i.imgur.com/0ml0uJY.jpg12:22
CaptHindsightI wonder if similar effects are felt by avoiding facebook, reprap, *duinos and anything with maker in the name12:30
ebowdenSimilar to what?12:31
ebowdenLol, reprapists.12:31
ebowdenI know a guy who made an extruder that can properly print PEEK.12:32
ebowdenIs any equipment useful to you ever made with that stuff?12:33
ebowdenI know it's awesome for implants, but I've always wondered what other uses the stuff finds.12:35
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TMAebowden: I have made myself an extension of the pins holding a shelf in my cabinet12:43
ebowdenYou printed PEEK?12:43
TMAebowden: not PEEK -- I have understood you mean 3d printing is useless in general12:44
ebowdenIt's actually incredibly useful, just not a magic bullet.12:45
TMAthere is no free lunch or magic bullet12:46
ebowdenCaptHindsight, ever had the pain in the ass of a synth where one part needs the vessel to be cooled?12:47
ebowden(For a decent yield anyway.)12:47
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CaptHindsighthttp://www.cnpioneer.com/  reactors13:07
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chris_99essentially they just stir things and regulate the temperature?13:09
CaptHindsightwith funky tubes for adding and siphoning while heating13:10
chris_99aha cool13:10
chris_99are they double skinned then13:10
chris_99for pumping a heating fluid / steam in13:11
CaptHindsightthat's what all those external fittings are for13:11
chris_99ah13:11
CaptHindsighthttp://www.cnpioneer.com/product/GMP-Reactor.html  check the drawings13:11
CaptHindsightthe fun part is having to clean them out13:12
CaptHindsightoften the most expensive part of the process13:13
chris_99heh, do they have CIP system13:13
CaptHindsightsend the monkey in with a sponge and bucket13:13
chris_99can't you just pump caustic through13:13
CaptHindsightdepends13:13
ebowdenThis can be used for cooling?13:14
nmz787they use caustic at wineries13:24
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chris_99and breweries13:24
chris_99although you have you be careful with implosions in the fermenter apparently13:24
chris_99due to co213:24
yashgarothwe just use a monkey and steam in place for bioreactors, that sounds like a ton of caustic haz waste to dispose of13:27
chris_99yeah, i'm curious what they actually do with it13:27
ebowdenNeutralise it?13:27
yashgarothneutralization on site is a lot of paperwork if you're not in a huge facility13:28
ebowdenAh.13:29
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chris_99if they diluted it to some amount, can it go down the drain, or would that not be allowed13:30
yashgarothdilution of hazardous waste streams is explicitly not allowed13:30
chris_99aha13:30
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ebowdenHow would it be processed?13:38
yashgarothif you do it on site you just dump acid in until the pH is in spec, otherwise you're filling up waste containers and getting them shipped off somewhere to be neutralized13:39
chris_99nmz787, since i opted for cheapo peg board temporarily, is there a word for threadless metal of different sizes that i could put in it, and solder croc clips onto the top of13:39
ebowdenI guessed that part, I was wondering about further processing for potential contaminants.13:40
ebowden(I suppose that depends on what it is you made.)13:40
yashgarothI've always just had it shipped off, but yeah depends on the contaminants13:42
ebowdenWhat kind of stuff do you make?13:43
yashgarothI make proteins, and in the process of doing so generate acid, base, flammable, and toxic metal waste13:44
ebowdenOh, for what application?13:44
ebowden*applications?13:44
yashgarothright now in vitro diagnostics, but previously it's mostly biopharmaceuticals or as research reagents13:45
ebowdenOh, so you'd have to develop HPLC purification processes and such to maximise yield and purity.13:45
yashgarothwell HPLC's mostly for analysis rather than purification, but yes13:46
ebowdenOdd, a lab I was at used it in some steps.13:47
ebowdenI guess that's the small stuff.13:48
ebowdenWhat ones do you use?13:48
ebowdenGod there are tons.13:48
yashgarothyeah more than like a milligram and you're pushing the capacity of an HPLC, then you step up to FPLC13:48
yashgarothHPLCs? mostly agilents, 1100 series and occasionally 120013:48
kanzureqeradfjioqjerqofdjadvoahugq13:49
nmz787I heard the wineries just have fields that the waste goes into... I can't remember but I think they just neutralize it with some acid maybe?13:49
yashgarothu ok kanz13:49
nmz787chris_99: hmm, why can't you use threaded metal?13:49
ebowdenyashgaroth, what purification techniques are used the most?13:50
chris_99nmz787, i think i found what i'm looking for, was just after a rod, that i could poke into it, and solder a croc clip on top, so i can remove it easily13:50
yashgarothaffinity (nickel or protein-based), ion exchange, size exclusion13:51
ebowdenOh, those were mentioned as the most common ones.13:51
ebowdenIn basic courses.13:52
ebowdenHuh.13:52
yashgarothyup13:53
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ebowdenYour job must be a no-brainer. :D13:53
yashgarothyeah it's great, just slam some crud into a column and call it a day13:54
abetuskhis cat walked across the keyboard, left to right13:54
ebowdenIn all seriousness, I'm sure there are parts that are challenging.13:54
ebowdenWhat parts are?13:55
nmz787when it doesn't work13:55
yashgaroth^13:55
ebowdenlol13:55
ebowdenThen you have to go through and figure out where things went so terribly wrong.13:55
yashgarothuhh let's see, knowledge and experience of the best process to use, designing genes and proteins optimally, having the constant presence of mind to not forget a single critical detail, accurate recordkeeping13:56
ebowdenMy got that sounds awesome.13:57
yashgarothhaha yeah that's why we have a surplus of people who really shouldn't be in the field13:58
ebowdenlol13:58
ebowdenGo on.13:58
yashgarothit doesn't take a genius to follow a protocol, but that small (or not so small) % of the time something goes wrong, most biologists possess little background knowledge to analyze the problem13:59
ebowdenOne of the first courses I did actually covered exactly this.13:59
ebowdenI keep all my receipts folded compactly in paper bags I get specifically for them, they are labelled, one bag for each half of the year.14:00
yashgarothor they just like plants/fish and realized there's like no jobs that give a shit about that, so they filter into molecular bio and gradually fuck things up14:00
yashgarothit's not so much tracking what you did every step of the way, though there is that...just the theoretical understanding of why biomolecules do what they do14:01
ebowdenThey really hammer that in.14:02
yashgarothand then everyone promptly ignores it14:02
ebowden...why?14:02
ebowdenFor what possible reason would you ignore that when making and purifying fucking proteins?14:03
yashgarothbecause humans are lazy, which is the answer to most questions, or stupid, which is the answer to all other questions14:03
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ebowdenSo, how do these animal and plant lovers "gradually" fuck things up?14:04
yashgarothwell, they start off running ELISA plates all day, and politic their way into positions of responsibility where they have no real reason to be14:04
ebowdenCan they just fucking take some PRL-8-53 and maybe a DRI read some damn texbooks?14:06
ebowdenIt's not that hard, you almost literally buy motivation and swallow a dose.14:07
yashgarothtoo busy drinking14:07
yashgarothanyway it's not much different from other technical fields14:08
yashgarothwell, the sciences anyway14:08
ebowdenGod I wish it weren't so frighteningly easy to beat other people on competence.14:09
ebowdenIt's too depressing.14:09
yashgarothmm14:10
ebowdenI wonder, perhaps one could administer a typical anti-physchotic with 7,8-dihydroxyflavone for a while and come out with a motivated person.14:11
xentracWhy do you think that is, ebowden?14:11
ebowdenThink what is?14:12
xentracLike, what keeps other people from being competent?  Is it lack of intelligence?14:12
xentracOr lack of motivation?14:12
ebowdenBoth. IQ is inversely correlated with conscientiousness.14:12
xentracWell, within the population of accomplished people, sure14:13
xentracbut I think the population-wide correlation is positive14:13
ebowdenIn the general population too actually, at least among males.14:13
xentracOh really?14:13
xentracI had thought the opposite but I don't have a cite handy14:13
xentracSo what works to motivate people?14:13
ebowdenA large-bore handgun.14:14
ebowdenOtherwise, you could assign points, reward for trying.14:15
ebowdenhttp://www.sciencedirect.com/science/article/pii/S019188690300438014:16
ebowdenHowever, small studies have found negative results here.14:16
ebowdenhttps://www.era.lib.ed.ac.uk/handle/1842/237314:16
ebowdenThe better ones seem to be positive.14:17
ebowdenxentrac, you know how amphetamine addiction works?14:18
xentracOnly experientially, not biochemically.  How does it work?14:19
xentrac(and it was methylphenidate, but I assume that's similar enough)14:19
ebowdenYou were addicted?14:19
ebowdenBeyond the more transient effects of dosing, such as neurotransmitter depletion and receptor down-regulation, BDNF is released, increasing "plasticity" and allowing the brain to wire itself to function with that level of stimulus.14:20
ebowdenWhen you take that stimulus away, you've got more problems than just the withdrawal.14:21
ebowdenThat's why I've wondered about administering a TrkB agonist, such as 7,8-dihyroxyflavone, with a Dopamine receptor antagonist, to get the brain used to lower levels, not only to counter addiction but perhaps to create people who are more attentive and motivated genrally.14:22
ebowden*generally14:23
ebowdenxentrac, are you still addicted to methylphenidate?14:25
ebowdenOr was this some other kind of experiment?14:27
xentracNo, the withdrawal only lasts about a week14:34
xentracIn a sense it was an experiment, but I wasn't a willing subject14:35
ebowdenYou were likely not addicted.14:35
xentracIt lasted about a week each time, a really shitty week14:35
ebowdenWhat, you were force fed Methylphenidate?14:35
xentracYes14:35
xentracThis is common14:35
ebowdenHow did that happen?14:35
xentracPsychiatrists14:35
ebowdenWhen did it happen?14:35
xentracWhether there was long-term brain damage I don't know, because I don't know how I'd be today without having experienced that14:36
ebowdenWere you a child?14:36
ebowdenWhat age?14:36
xentracyes, 6-14, 1982 to 199014:36
ebowdenYou don't bloody stop and start, you take the full course.14:37
xentracCrazy meds aren't antibiotics14:37
xentracOne year I stayed on them teh whole time instead of going off them on the weekends14:37
xentracI developed psychosis that year14:37
ebowdenMy my, not right for you.14:38
xentracI also learned a lot about digital logic and organic chemistry, some of which I still know14:38
ebowdenOh?14:38
xentracI was 914:38
ebowdenDid it help you learn?14:38
xentracOh definitely14:38
xentracI would stay up all night reading the Bhagavad Gita or the organic chemistry textbook instead of sleeping14:38
ebowdenAt whatever age you took it, if you took it continuously it would have induced brain volume increase from BDNF release14:39
xentracSome of the things I learned weren't real, though!14:39
ebowdenAt whatever age you took it, if you took it continuously it would have induced brain volume increase from BDNF release.14:39
xentracBDNF expands your cranium?14:39
xentracOr it just reduces the volume of your CSF?14:39
nmz787_ixentrac: I also stayed up late into the night habitually, I think due in part to ritalin/amphetamine and possibly that my dad for some reason thought it OK that my bed was next to our washer and dryer (albeit in a closet)14:40
xentracintermittent fasting or CR seems like it would be a less harmful way to release BDNF14:40
xentracYour idea about TrkB agonists and dop antagonists sounds interesting but I don't know enough to provide useful input, ebowden14:41
nmz787_iI still stay up late, habitually, it is really hard not to... and I haven't taken any stimulants regularly for something like 11 or 12 years (though I have infrequently taken my old meds that I kept in storage, though they just recently ran out)14:41
ebowdenWith the pattern of release caused by DRIs at therapeutic doses, the volume of certain regions involved in attention and arousal gradually increases. This appears to cause a gradual increase in IQ.14:41
ebowdenIf it had been done below the age of six, it would likely decrease IQ.14:42
xentracYeah, me too, nmz787_i. I've had some success with melatonin14:42
ebowdenIt's awesome for me, and chemopreventative too! :D14:43
nmz787_iI've megadosed with melatonin, it has no effect14:43
nmz787_iI feel like melatonin must be highly placebo linked14:43
ebowdenNo, placebo controlled trials were done.14:43
nmz787_ior I have  a strong placebo in the opposite direction (I doubt it will work, belief makes it happen)14:43
ebowdenIt's just not very impressive.14:43
xentracdoesn't imply it couldn't have a placebo effect too, ebowden :)14:44
xentracI typically take 600μg14:44
ebowden2mg.14:44
ebowdenExtended release.14:44
nmz787_iI want to say I took like half a drugstore bottle once14:44
nmz787_ior maybe 1/414:44
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ebowdenIt's very safe even in high doses.14:44
nmz787_iunfortunately I wasn't looking for safe, I was looking for "knock me out so I can have a chance at waking up in the morning to get to school so I don't fail highschool"14:45
nmz787_ididn't work, dropped out and got my GED :P14:45
ebowdenWhat uni did you go to?14:45
nmz787_iRIT14:45
xentracYeah, I'm not worried I'll poison myself, ebowden, but I do worry a bit about tolerance14:45
xentracnice14:45
ebowdenDon't worry below 4mg.14:46
xentracthanks :)14:46
ebowdenWhat's RIT? Royal Institution of Technology?14:47
xentracSo what is this about brain volume increase?  Do you mean methylphenidate (or amphetamine or maybe even IF/CR) expands certain reasons?14:47
xentracRensselaer?14:47
ebowdenRochester?14:47
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nmz787_irochester14:47
nmz787_irensselaer is RPI14:48
ebowdenWhat did you do your Phd in?14:48
ebowden*PhD14:48
nmz787_iif you are asking me, I did an 8 year bachelors in Biotech with concentration in Bioinformatics (but actually concentrated on hobby-learning analog electronics and using Uni resources for learning micro/nano fab)14:49
nmz787_i8 years because it sucked so bad I had to take it one class at a take the last few years14:49
ebowdenI LOVE analogue.14:49
ebowdenNo PhD?14:50
nmz787_inah14:50
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nmz787_imaybe someday14:50
xentracsorry14:50
ebowdenWhat analogue stuff do you do now?14:50
nmz787_iI actually just got my degree officially in December14:50
ebowdenBetter, cheaper CNC controls?14:50
xentracebowden: what do you think about Camenzind's book?14:50
nmz787_iI work at Intel in the analog validation dept for new products14:50
xentracyou too nmz787_i14:50
ebowdenyayyyyy!14:51
nmz787_iwrite software for hardware synthesis lately... lately been learning about constraints solver algorithms14:51
xentracnice14:51
nmz787_iwork on DNA synthesis goal-oriented equipment at night/on-weekends14:51
ebowdenNever heard that name.14:51
ebowden\:D/14:51
ebowdenYessss!14:51
nmz787_igot an electron microscope just behind me14:51
xentracI've been trying to get a handle on the whole constraint/optimization/SAT/SMT/logic-programming space14:51
nmz787_iyeah I had a friend help me get into the SAT solver space14:52
ebowdenWho's Camenzind?14:52
xentracthe 555 guy, put an ebook on the web14:52
xentracand I keep trying to wedge interval arithmetic into the constraint-solving/search space14:52
nmz787_iBest successes so far are with the library Pyeda for interfacing with picosat... and for a middle-of-the-road solver approach python-constraint looks pretty OK, easy to write constraints but slow to load and solve (pure python library)14:53
chris_99have you started fixing the SEM nmz787_i?14:53
ebowdennmz787_i, you could build missile guidance systems.14:53
xentracdoing SAT solving in pure CPython sounds like a bad idea14:53
nmz787_ichris_99: most progress as of late was talking with a guy who fixed his own SEM and also made some tesla coil plasma speakers... also I bought a 45kV rated 1 or 10 gigaohm resistor14:54
nmz787_iit is HUGE14:54
nmz787_ixentrac: pyeda is a C++ library extension, so you generate clauses in Python then hand them to C++14:54
chris_99haha wow, that's the resistor for?14:54
xentracyeah, that sounds like a better idea14:55
nmz787_ipython-constraint on the other hand is pure-python, but also allows python functions to act as constraints... so you can do complex data structure calculations14:55
nmz787_ichris_99: probing high-voltage if needed14:55
chris_99ah neat14:55
xentracnice14:55
nmz787_ihttp://hackerfriendly.com/tag/sem/14:56
nmz787_ithat is the guy who got his working after some random person offered it to him14:57
chris_99awesome14:58
ebowdenI suppose you'll be taking pointers.15:00
nmz787_iwe chatted a bit15:00
ebowdenAny late nights?15:00
ebowden(On your hobby and job.)15:00
nmz787_ihe told me to get the big resistor, and start probing with a cheap volt meter15:00
nmz787_isaid if it is just the beam raster generator it should be pretty low voltage (sounded pretty confident less than 50V)15:01
nmz787_iebowden: missile guidance systems jobs sound like they'd pay a lot ;)15:01
ebowdenYou're damn right they would.15:02
nmz787_ibut also that they'd have high stringency on formal validation (which is a skill I don't posses currently, though wouldn't be opposed to learning about.. it does sound tedious though)15:02
nmz787_iand general no bugs attitude15:02
ebowdenI'd imagine that would require a lot of resources.15:03
ebowdenNo line of code unchecked.15:04
ebowdenSort of like NASA does.15:04
nmz787_i100% test coverage15:04
nmz787_ior maybe even taking something like a SAT solver on the control flow structure of the code... to determine not just line coverage, but logic flow path coverage ???15:05
ebowdenMaybe you could build missile guidance systems for the masses.15:05
nmz787_ig2g eat now15:05
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ebowdenI wonder if there will ever be protein based recreational drugs.15:15
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CaptHindsightthe keratin slip-n-slide!15:21
ebowdenCaptHindsight, for the record, was it me wasting your time or were you talking about the people that wanted seven kilos at ten thousand kilo prices?15:28
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CaptHindsightpeople that don't value their own time so they don't value anyone's15:37
CaptHindsightor expect you to pay for 200kg of raw materials to make their 10kg and charge them for only 10kg15:38
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ebowdenAh, so it wasn't about my asking about the feasibility of making LM11A-31 at low cost?15:42
ebowden(Given its structure.)15:42
ebowdenIt's a 4-substituted morpholine.15:48
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ebowdenOoooh: http://www.cnchemicals.com/Press/82501-China:Falling%20price%20of%20diethanolamine%20hard%20to%20support%20glyphosate%20price%20in%202015%20.html15:51
ebowdenFrom that, morpholine is made.15:51
ebowdenMaybe the price has recovered already.15:54
ebowdenWell, 4-ethylmorpholine is normally pretty cheap.16:03
ebowdenThis is a tempting precursor, but expensive.16:13
ebowdenhttps://www.alfa.com/en/catalog/B21365/16:13
ebowdenThis is considerably cheaper, but it might be a pain in the ass to synth the compound from:16:15
ebowdenhttps://www.alfa.com/en/catalog/A11905/16:15
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kanzurelooks like a manga artist gets $1k yen/page17:36
kanzurewhich is about $1017:38
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kanzurenothing about this is realistic http://www.rsc.org/chemistryworld/sites/default/files/upload/0716CW_The-Crucible_300m.jpg18:10
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nmz787_iebowden: I think the chemical in miracle berries is a glycoprotein... and I know people have been known to use miracle berry extract as a central element to food parties (so you might say it is a party drug, I guess)19:26
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nmz787_itook my buddy on a tour of Norsam, got to see some pipettes get pulled on the Sutter machine19:29
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nmz787_i.tell chris_99 have you heard of this audio/DSP library/language/tool http://faust.grame.fr/download/   ?19:54
yoleauxnmz787_i: I'll pass your message to chris_99.19:54
nmz787_i.title19:54
yoleauxDownload19:54
nmz787_i.wik faust19:54
yoleaux"Faust is the protagonist of a classic German legend. He is a scholar who is highly successful yet dissatisfied with his life, which leads him to make a pact with the Devil, exchanging his soul for unlimited knowledge and worldly pleasures." — https://en.wikipedia.org/wiki/Faust19:54
nmz787_i.wik faust software19:54
yoleauxnmz787_i: Sorry, that command (.wik) crashed.19:54
nmz787_i.wik FAUST (programming language)19:55
yoleaux"FAUST (Functional AUdio STream) is a domain-specific purely functional programming language for implementing signal processing algorithms in the form of libraries, audio plug-ins, or standalone applications. A FAUST program denotes a signal processor: a mathematical function that is applied to some input signal and then fed out." — https://en.wikipedia.org/wiki/FAUST_(programming_language)19:55
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xentrac22:05 < ebowden> Maybe you could build missile guidance systems for the masses.20:37
xentracI think this would be a bad idea; it is a more imminent threat of ending civilization than Bitcoin or AGI20:39
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nmz787xentrac: well that kind of thinking won't prevent the missile guidance system development already underway... I guess it is a cost:benefit thing... would learning missile guidance principals be more useful post that-project than bitcoin or AGI skills would be21:01
nmz787you can use missiles against rogue AGI21:01
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ebowdenCaptHindsight, how expensive are Grignard reactions on larger scales? Does it sometimes end up more practical to do them solventless due to all the anhydrous stuff you'd need?21:04
ebowdenI suppose solventless can be great if you want it more "green".21:08
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xentracnmz787: sure, my grandfather designed missile guidance systems in the 1950s21:34
xentracthere are a significant number of missile guidance systems already killing people21:35
xentracbut most of them are in the hands of entities that are vulnerable to retaliation, like, say, the Iranian military.  distributing missile guidance software to random Iranians would likely lead to much bigger problems21:36
xentracI mean I think you can make a reasonable case that the Bronze Age Collapse was likely due to new military tactics that strongly favored attack over defense, and it would be nice to see if we can hold off the collapse of our current civilization for, say, ten years, so that we can build up resilience21:38
xentracnot, I think, to rogue AGI, although I could be wrong21:39
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nmz787I guess you could also say that learning about missile guidance systems would allow you to mount effective defenses against them (or provide insight to those people)22:08
ebowdenOr just design better ones.22:15
nmz787is your dad teaching online courses?22:19
nmz787:)22:19
ebowdenNo. Why do you ask?22:19
nmz787just since you mentioned he did that kind of development22:20
nmz787oh22:20
nmz787sorry, your grandfather22:20
nmz787derp22:20
ebowdenxentrac said his grandfather did it.22:21
ebowdenMy grandfather worked in surface physics.22:22
kanzurehm22:22
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nmz787oh, sorry, I am not concentrating and am tired... reading about multitasking in micropython22:36
nmz787ebowden: that sounds pretty cool though... my grandfathers were: trucker; road-builder (heavy equipment operator)22:36
ebowdenMy other grandfather was a soldier, then a miner and union rep.22:51
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nmz787I guess the trucker was in the army23:05
ebowdenOk.23:06
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