| --- Log opened Tue Mar 17 00:00:24 2015 | ||
| -!- zadock [~zadock@81.180.210.87] has quit [Quit: Leaving] | 00:14 | |
| -!- FourFire [~FourFire@46.156.124.171.tmi.telenormobil.no] has joined ##hplusroadmap | 00:38 | |
| -!- FourFire [~FourFire@46.156.124.171.tmi.telenormobil.no] has quit [Ping timeout: 246 seconds] | 00:57 | |
| -!- FourFire [~FourFire@185.7.192.138] has joined ##hplusroadmap | 01:03 | |
| -!- Beatzebub__ [~beatzebub@d50-92-50-139.bchsia.telus.net] has quit [Quit: No calling card for the unsung bard] | 01:14 | |
| -!- zadock [~zadock@muscalu.tuiasi.ro] has joined ##hplusroadmap | 01:19 | |
| -!- ThomasEgi [~thomas@panda3d/ThomasEgi] has joined ##hplusroadmap | 01:19 | |
| -!- Beatzebub [~beatzebub@d50-92-50-139.bchsia.telus.net] has joined ##hplusroadmap | 01:34 | |
| -!- Beatzebub_ [~beatzebub@d50-92-50-139.bchsia.telus.net] has joined ##hplusroadmap | 01:35 | |
| -!- Beatzebub_ [~beatzebub@d50-92-50-139.bchsia.telus.net] has quit [Remote host closed the connection] | 01:36 | |
| -!- Beatzebub [~beatzebub@d50-92-50-139.bchsia.telus.net] has quit [Ping timeout: 256 seconds] | 01:39 | |
| -!- FourFire [~FourFire@185.7.192.138] has quit [Ping timeout: 255 seconds] | 02:02 | |
| -!- FourFire [~FourFire@77.19.103.165.tmi.telenormobil.no] has joined ##hplusroadmap | 02:09 | |
| -!- QuadIngi [~FourFire@185.7.192.138] has joined ##hplusroadmap | 02:17 | |
| -!- FourFire [~FourFire@77.19.103.165.tmi.telenormobil.no] has quit [Ping timeout: 244 seconds] | 02:20 | |
| -!- zadock [~zadock@muscalu.tuiasi.ro] has quit [Ping timeout: 245 seconds] | 03:03 | |
| -!- zadock [~zadock@muscalu.tuiasi.ro] has joined ##hplusroadmap | 03:08 | |
| -!- QuadIngi [~FourFire@185.7.192.138] has quit [Ping timeout: 255 seconds] | 03:26 | |
| -!- chris_99 [~chris_99@unaffiliated/chris-99/x-3062929] has joined ##hplusroadmap | 03:48 | |
| -!- Shannon [~Shannon@unaffiliated/shannon] has joined ##hplusroadmap | 03:53 | |
| -!- Qfwfq [~WashIrvin@unaffiliated/washirving] has quit [Ping timeout: 272 seconds] | 04:08 | |
| -!- CheckDavid [uid14990@gateway/web/irccloud.com/x-dnzmkesctjzlvdxb] has joined ##hplusroadmap | 04:12 | |
| -!- Qfwfq [~WashIrvin@unaffiliated/washirving] has joined ##hplusroadmap | 04:13 | |
| -!- Shannon_ [~Shannon@unaffiliated/shannon] has joined ##hplusroadmap | 04:28 | |
| -!- Shannon [~Shannon@unaffiliated/shannon] has quit [Ping timeout: 272 seconds] | 04:31 | |
| -!- Shannon_ is now known as Shannon | 04:35 | |
| -!- TK_ [~TK@82.131.75.138.cable.starman.ee] has joined ##hplusroadmap | 04:55 | |
| -!- Viper168 [~Viper@unaffiliated/viper168] has quit [Ping timeout: 256 seconds] | 05:04 | |
| -!- Viper168 [~Viper@unaffiliated/viper168] has joined ##hplusroadmap | 05:11 | |
| -!- TK_ [~TK@82.131.75.138.cable.starman.ee] has quit [Ping timeout: 256 seconds] | 05:17 | |
| -!- chris_99 [~chris_99@unaffiliated/chris-99/x-3062929] has quit [Quit: Ex-Chat] | 05:20 | |
| -!- chris_99 [~chris_99@unaffiliated/chris-99/x-3062929] has joined ##hplusroadmap | 05:20 | |
| -!- eudoxia [~eudoxia@r167-57-57-103.dialup.adsl.anteldata.net.uy] has joined ##hplusroadmap | 05:30 | |
| -!- Shannon_ [~Shannon@unaffiliated/shannon] has joined ##hplusroadmap | 05:55 | |
| -!- Shannon [~Shannon@unaffiliated/shannon] has quit [Ping timeout: 252 seconds] | 05:58 | |
| -!- Shannon_ is now known as Shannon | 05:58 | |
| kanzure | Daeken: i tihnk there's some optical considerations that i completely forget | 06:12 |
|---|---|---|
| -!- CheckDavid [uid14990@gateway/web/irccloud.com/x-dnzmkesctjzlvdxb] has quit [Quit: Connection closed for inactivity] | 06:18 | |
| -!- Shannon [~Shannon@unaffiliated/shannon] has quit [Read error: Connection reset by peer] | 06:21 | |
| -!- Shannon [~Shannon@unaffiliated/shannon] has joined ##hplusroadmap | 06:30 | |
| -!- justanot1eruser [~Justan@unaffiliated/justanotheruser] has joined ##hplusroadmap | 06:31 | |
| -!- justanotheruser [~Justan@unaffiliated/justanotheruser] has quit [Quit: Reconnecting] | 06:31 | |
| -!- Mariu [~Jimmy98@89.41.57.33] has joined ##hplusroadmap | 06:40 | |
| -!- FourFire [~FourFire@185.7.192.138] has joined ##hplusroadmap | 07:49 | |
| -!- Shannon [~Shannon@unaffiliated/shannon] has quit [Read error: Connection reset by peer] | 07:52 | |
| -!- Shannon [~Shannon@unaffiliated/shannon] has joined ##hplusroadmap | 07:53 | |
| kanzure | "Well, my cat meows when I switch on the light so I suppose I should write about how "Electricity suggests language development is intrinsic in mammals"" | 08:03 |
| chris_99 | heh | 08:05 |
| -!- FourFire [~FourFire@185.7.192.138] has quit [Ping timeout: 252 seconds] | 08:15 | |
| -!- zadock [~zadock@muscalu.tuiasi.ro] has quit [Quit: Leaving] | 08:18 | |
| -!- FourFire [~FourFire@185.7.192.138] has joined ##hplusroadmap | 08:19 | |
| -!- delinquentme [~delinquen@74.61.157.78] has joined ##hplusroadmap | 08:37 | |
| -!- QuadIngi [~FourFire@185.7.192.138] has joined ##hplusroadmap | 08:46 | |
| -!- FourFire [~FourFire@185.7.192.138] has quit [Ping timeout: 246 seconds] | 08:49 | |
| delinquentme | http://techcrunch.com/2015/03/16/pinterest-raises-367-million-pushing-it-past-1-billion-raised-in-all/ | 08:58 |
| delinquentme | what have we done here ? | 08:59 |
| -!- Shannon [~Shannon@unaffiliated/shannon] has quit [Read error: Connection reset by peer] | 09:06 | |
| -!- QuadIngi [~FourFire@185.7.192.138] has quit [Ping timeout: 255 seconds] | 09:10 | |
| justanot1eruser | paperbot: http://www.sciencedirect.com/science/article/pii/S0165176599001470 | 09:15 |
| paperbot | http://diyhpl.us/~bryan/papers2/paperbot/%0A%20Efficiency%20at%20different%20levels%20of%20aggregation%3A%20public%20vs.%20private%20sector%20firms%0A%20.pdf | 09:16 |
| -!- delinquentme [~delinquen@74.61.157.78] has quit [Read error: Connection reset by peer] | 09:51 | |
| -!- delinquentme [~delinquen@74.61.157.78] has joined ##hplusroadmap | 09:56 | |
| -!- chris_99 [~chris_99@unaffiliated/chris-99/x-3062929] has quit [Quit: Ex-Chat] | 10:05 | |
| -!- chris_99 [~chris_99@unaffiliated/chris-99/x-3062929] has joined ##hplusroadmap | 10:06 | |
| -!- Mariu [~Jimmy98@89.41.57.33] has quit [Quit: leaving] | 10:06 | |
| -!- eudoxia [~eudoxia@r167-57-57-103.dialup.adsl.anteldata.net.uy] has quit [Quit: Leaving] | 10:23 | |
| -!- TK_ [~TK@82.131.64.30.cable.starman.ee] has joined ##hplusroadmap | 10:32 | |
| -!- RedHotFireBall [~Red@mta2.webmail4office.com] has joined ##hplusroadmap | 10:34 | |
| -!- CheckDavid [uid14990@gateway/web/irccloud.com/x-bjmfjjnqyxtkbmad] has joined ##hplusroadmap | 10:44 | |
| -!- RedHotFireBall [~Red@mta2.webmail4office.com] has quit [K-Lined] | 10:48 | |
| -!- RedHotFireBall [~Red@75-110-239-129.stalcmtk02.com.dyn.suddenlink.net] has joined ##hplusroadmap | 10:52 | |
| -!- RedHotFireBall [~Red@75-110-239-129.stalcmtk02.com.dyn.suddenlink.net] has left ##hplusroadmap [] | 10:55 | |
| Daeken | lol, redhotfireball sent startkeylogger. that's been a while. | 10:56 |
| catern | yeah I got it too | 10:59 |
| -!- Viper168_ [~Viper@unaffiliated/viper168] has joined ##hplusroadmap | 11:14 | |
| -!- Viper168 [~Viper@unaffiliated/viper168] has quit [Ping timeout: 244 seconds] | 11:14 | |
| -!- Viper168_ is now known as Viper168 | 11:17 | |
| Daeken | so, i've found everything i need (i believe) outside of wafer bonding. a friend said i can use the SEM in her lab no problem, so i can check everything there. silicon wafers are expensive, but not as much so as i expected; i'd rather not do initial tests on them, though, just due to the cost. wonder what i can use as a stand-in. | 11:30 |
| kanzure | microfluidics is done with su8/pdms/stuff not silicon | 11:32 |
| kanzure | often | 11:32 |
| kanzure | i suppose silicon is an option | 11:32 |
| -!- TK_ [~TK@82.131.64.30.cable.starman.ee] has quit [Ping timeout: 265 seconds] | 11:35 | |
| Daeken | wonder how that compares in cost | 11:38 |
| -!- zadock [~zadock@81.180.210.87] has joined ##hplusroadmap | 11:38 | |
| Daeken | kanzure: do they pour the pdms on a master or do they etch on the pdms? | 11:39 |
| Daeken | hrm... there's no reason that you couldn't pour pdms on a master made of much cheaper materials | 12:04 |
| ParahSailin | you cant really etch pdms | 12:27 |
| Daeken | ParahSailin: that's what i assumed | 12:28 |
| ParahSailin | well, someone will probably tell me that there is some boutique fib method that will put a hole in pdms | 12:28 |
| Daeken | but figured i'd ask | 12:28 |
| ParahSailin | but it is not typically done | 12:29 |
| -!- Proteus [~Proteus@unaffiliated/proteus] has joined ##hplusroadmap | 12:29 | |
| -!- Proteus1 [~Proteus@67-3-170-75.omah.qwest.net] has quit [Ping timeout: 265 seconds] | 12:31 | |
| Daeken | really wish there was a way to 3d print a master with this kind of precision. it'd make life so much easier :P | 12:33 |
| chris_99 | you guys seen this - http://carbon3d.com/ | 12:37 |
| Daeken | it's really interesting the way they're doing it. it seems that they're using a DMD-based UV projector for it, unlike the form1's single mirror laser assembly | 12:39 |
| Daeken | it's standard SLA other than that, but i want one, for sure. | 12:39 |
| Daeken | the claim about theirs being "true" 3d printing is laughable though, IMO. this is the same 2d layer based approach, they're just using a slightly different angle. | 12:40 |
| chris_99 | its the oxygen thats the unique aspect really | 12:41 |
| superkuh | See the top few threads in https://news.ycombinator.com/item?id=9215890 | 12:42 |
| Daeken | i'm curious to see how the oxygen really plays a part. their claims are a bit too vague to make much of them so far | 12:42 |
| superkuh | Particularly the ones about it being front page in Science next month. | 12:43 |
| superkuh | http://www.sciencemag.org/content/early/2015/03/16/science.aaa2397 , etc. | 12:43 |
| paperbot | http://libgen.info/scimag/get.php?doi=10.1126%2Fscience.aaa2397 | 12:43 |
| Daeken | oh nice. i'm excited to read that | 12:43 |
| -!- CheckDavid [uid14990@gateway/web/irccloud.com/x-bjmfjjnqyxtkbmad] has quit [Quit: Connection closed for inactivity] | 12:48 | |
| chris_99 | i wonder what they're using for the Z axis | 12:50 |
| -!- Vutral [~ss@mirbsd/special/Vutral] has quit [Ping timeout: 256 seconds] | 12:55 | |
| -!- Vutral [~ss@mirbsd/special/Vutral] has joined ##hplusroadmap | 13:03 | |
| Daeken | http://www.photoplotstore.com/pages/photomasks.html that's ... incredibly cheap. | 13:05 |
| -!- justanot1eruser [~Justan@unaffiliated/justanotheruser] has quit [Ping timeout: 246 seconds] | 13:15 | |
| Daeken | it seems like it makes way more sense to go with something like that rather than trying to do it from scratch | 13:20 |
| Daeken | especially at those prices. | 13:20 |
| kanzure | way too large | 13:20 |
| kanzure | 2.2 mm feature sizes? | 13:21 |
| kanzure | oh these are per photomask | 13:21 |
| kanzure | hmm. that sort of sucks. so much for rapid iteration? | 13:21 |
| Daeken | the feature sizes are in the micrometer range, for fairly cheap. | 13:22 |
| kanzure | at $300 per mask that's already $30k for 100 iterations | 13:22 |
| kanzure | hmm i guess $30k isn't that bad. as long as the number of bugs introduced is like... none per iteration. | 13:23 |
| Daeken | i think the master material will be the expensive part, not the masks. | 13:23 |
| kanzure | the master material from which the masks are made? | 13:24 |
| Daeken | it needs to be exceptionally flat, and needs to etch well ... that seems to be why most people are using silicon wafers for the masters. | 13:24 |
| kanzure | these are "direct write laser photomasks" so they prbably don't have masters | 13:24 |
| Daeken | no, the mold that the pdms is poured onto. | 13:24 |
| ParahSailin | wafers are not that expensive | 13:24 |
| kanzure | Daeken: you can do photolithograhy with pdms stuff | 13:24 |
| Daeken | ParahSailin: i'm seeing $200ish | 13:24 |
| Daeken | kanzure: directly? i can't find anyone doing that | 13:24 |
| ParahSailin | 100mm wafers are not 200 | 13:25 |
| kanzure | um... hmm. good question. | 13:25 |
| kanzure | i would ask in #reprap but i am leaving brb | 13:25 |
| Daeken | kanzure: the process i'm seeing is: take an si wafer, coat with su-8, expose to UV with a photomask, etch, remove resist, pour pdms on that | 13:25 |
| ParahSailin | theres no photo-patternable pdms | 13:26 |
| kanzure | maybe it was photo-patternable su8 | 13:26 |
| ParahSailin | thats redundant | 13:26 |
| kanzure | photo-curing is a thing that people do for microfluidics | 13:26 |
| Daeken | kanzure: the su8 goes on the si -- the su8 is the photoresist itself. | 13:26 |
| ParahSailin | all su8 is photo-patternable | 13:26 |
| Daeken | ParahSailin: oh wow, i just found some cheap suppliers of wafers. nevermind on the expensive part comment. | 13:26 |
| kanzure | linkz | 13:26 |
| Daeken | https://order.universitywafer.com/default.aspx?cat=Silicon test grade (which i imagine will be Good Enough (TM) for this) in the tens of dollars. | 13:27 |
| Daeken | we can always go higher grade if it is a problem. | 13:27 |
| Daeken | all in, we're looking at maybe $400 per iteration, for basically as many copies as we want. that's really not bad. | 13:29 |
| Daeken | and we'll get the precision we need, without burning a ton of time on the fun of projection. | 13:30 |
| ParahSailin | you could just try transparency masks instead of cr ones | 13:31 |
| ParahSailin | if its microfluidics you arent going to go crazy with feature size | 13:32 |
| Daeken | as in laser print on a transparent sheet, effectively? | 13:32 |
| ParahSailin | yeah like what you buy if you make cr masks yourself | 13:33 |
| Daeken | i was looking around at what's out there in terms of high-res laser printers, and didn't see much more than 2400x2400 dpi (some 4800x600 and such, but that's about it)... that gives about 10um per dot. but that means everything needs to be aligned to that grid, assuming that it's printing pretty much perfectly | 13:35 |
| ParahSailin | i think the services that give you transparencies are cheaper | 13:36 |
| Daeken | i'd be concerned about small variances causing issues, e.g. a sharp edge on the inside of a channel causing turbulance. but i dunno if that is an issue -- microfluidics is a weird thing. | 13:36 |
| Daeken | hmm, wonder howhigh res a dedicated service would give. | 13:36 |
| Daeken | i was just looking at generic printing places | 13:37 |
| ParahSailin | those are as high res as the cr masks they make from transparencies | 13:37 |
| Daeken | ParahSailin: know of any good services for it? | 13:37 |
| ParahSailin | i dont know what we used but im sure there are lots | 13:38 |
| delinquentme | I feel like this is a silly question ... but ... is it EVER a good idea to name something in any data format with spaces? | 13:40 |
| delinquentme | kanzure, nmz787 | 13:40 |
| -!- chris_99 [~chris_99@unaffiliated/chris-99/x-3062929] has quit [Quit: Ex-Chat] | 13:41 | |
| ParahSailin | a file name? | 13:41 |
| -!- eudoxia [~eudoxia@r186-54-149-140.dialup.adsl.anteldata.net.uy] has joined ##hplusroadmap | 13:42 | |
| kanzure | http://www.lowrisc.org/docs/gsoc-2015-ideas/ | 13:47 |
| kanzure | delinquentme: no, no reason to ever use whitespace in a file name unless it is semantically meaningful. and also if you re never going to totrture someone in front of a shell prompt. | 13:49 |
| delinquentme | kanzure, you cant tell anyone else this | 13:50 |
| delinquentme | but im developing w people who work on windows machines | 13:50 |
| delinquentme | WEH | 13:50 |
| kanzure | oh, well... nah, even then. | 13:51 |
| -!- Shannon [~Shannon@unaffiliated/shannon] has joined ##hplusroadmap | 14:22 | |
| -!- eudoxia [~eudoxia@r186-54-149-140.dialup.adsl.anteldata.net.uy] has quit [Quit: Leaving] | 14:35 | |
| -!- ThomasEgi [~thomas@panda3d/ThomasEgi] has quit [Remote host closed the connection] | 14:49 | |
| archels | Daeken: why don't you just downscale optically if you're concerned about resolution? | 14:52 |
| Daeken | archels: definitely an option for the future, potentially | 15:03 |
| Daeken | i'm just trying to think of how to do this as easily as possible | 15:04 |
| Daeken | introducing optics means we need to adjust for it at the mask level -- not hard, but adds complexity. just trying to simplify | 15:04 |
| archels | sorry, I'm a bit late to this conversation, what are you trying to achieve in the end? | 15:05 |
| Daeken | archels: making the master mold for the dna synthesis microfluidic array described in http://diyhpl.us/~bryan/nucleic/fbi-diybio-dna-v1.pdf | 15:05 |
| archels | ah, brilliant | 15:06 |
| Daeken | the easiest route right now appears to be outsourcing the production of the photomask, spin coating a silicon wafer with su-8, exposing it using the photomask, developing it, then pouring pdms on that mold. i can't figure out if people are directly pouring on the developed SU-8 (once the masked portions are cleaned off), or acid etching the wafer and cleaning the whole thing of su-8... i'm assuming the latter, because otherwise any variance in the su-8 | 15:08 |
| Daeken | acid etching will allow us to vary the thickness as we see fit, so that seems like the right route. but i'm still researching that. | 15:09 |
| ParahSailin | most people will actually use regular photoresist and etch wafer | 15:14 |
| Daeken | ParahSailin: so is the use of su-8 to eliminate that? | 15:16 |
| Daeken | ah hah. yes, that appears to be the case. | 15:17 |
| ParahSailin | usually either/or -- etching for profile in si or su8 | 15:17 |
| Daeken | yeah | 15:18 |
| Daeken | okay, that makes more sense. | 15:18 |
| Daeken | so if we want a uniform depth, su-8. if we want to vary it, etching with normal photoresist. | 15:18 |
| andytoshi | kanzure: re your "why are people using google as a method of learning facts?" complaints a week or two ago (about central banks and bitcoin) here's a bunch of less-wrongers advocating just that https://www.reddit.com/r/HPMOR/comments/2zd3x7/actual_science_flaws_in_hpmor/ | 15:26 |
| andytoshi | (grep for Google in the comments if you don't feel like reading a lot) | 15:27 |
| ParahSailin | pretty sure carbon nanotubes wouldnt work like that in real life | 15:30 |
| ParahSailin | how many newtons of force to break a carbon bond? | 15:30 |
| ParahSailin | on the order of nano-newtons? | 15:32 |
| Daeken | hrm... i don't think su-8 is really going to work here, for two reasons: 1) channel depth won't be high enough, 2) no ability to vary height. regular photoresist and acid etching will be more effective. | 15:37 |
| Daeken | it'll also last for many, many more use | 15:39 |
| Daeken | s | 15:39 |
| -!- chris_99 [~chris_99@unaffiliated/chris-99/x-3062929] has joined ##hplusroadmap | 16:07 | |
| -!- AmbulatoryCortex [~Ambulator@173-31-9-188.client.mchsi.com] has joined ##hplusroadmap | 16:09 | |
| ParahSailin | su-8 is comparatively expensive | 16:31 |
| Daeken | quite so | 16:33 |
| -!- gene_hacker [~chatzilla@128-193-152-169.ptpg.oregonstate.edu] has joined ##hplusroadmap | 16:57 | |
| -!- chris_99 [~chris_99@unaffiliated/chris-99/x-3062929] has quit [Remote host closed the connection] | 17:07 | |
| -!- Shannon [~Shannon@unaffiliated/shannon] has quit [Quit: Leaving] | 17:12 | |
| -!- CheckDavid [uid14990@gateway/web/irccloud.com/x-zttvjhrmlllcvwjx] has joined ##hplusroadmap | 17:14 | |
| -!- Viper168 [~Viper@unaffiliated/viper168] has quit [Ping timeout: 255 seconds] | 17:16 | |
| -!- Viper168 [~Viper@unaffiliated/viper168] has joined ##hplusroadmap | 17:25 | |
| -!- delinquentme [~delinquen@74.61.157.78] has quit [Read error: Connection reset by peer] | 17:30 | |
| -!- gene_hacker [~chatzilla@128-193-152-169.ptpg.oregonstate.edu] has quit [Ping timeout: 252 seconds] | 17:31 | |
| -!- genehacker [~chatzilla@c-98-232-239-159.hsd1.or.comcast.net] has joined ##hplusroadmap | 18:03 | |
| -!- delinquentme [~delinquen@74.61.157.78] has joined ##hplusroadmap | 18:06 | |
| -!- genehacker [~chatzilla@c-98-232-239-159.hsd1.or.comcast.net] has quit [Quit: ChatZilla 0.9.91.1 [Firefox 32.0.3/20140924083558]] | 18:21 | |
| -!- juri_ [~juri@vpn166.sdf.org] has joined ##hplusroadmap | 19:04 | |
| -!- AmbulatoryCortex [~Ambulator@173-31-9-188.client.mchsi.com] has quit [Read error: Connection reset by peer] | 19:17 | |
| -!- CheckDavid [uid14990@gateway/web/irccloud.com/x-zttvjhrmlllcvwjx] has quit [Quit: Connection closed for inactivity] | 19:18 | |
| kanzure | http://femto.io/products/imuduino | 19:21 |
| -!- delinquentme [~delinquen@74.61.157.78] has quit [Ping timeout: 256 seconds] | 19:35 | |
| -!- delinquentme [~delinquen@74.61.157.78] has joined ##hplusroadmap | 20:07 | |
| kanzure | list of predatory academic publishers http://scholarlyoa.com/publishers/ | 20:15 |
| kanzure | "archers & elevators publishing house" uh... | 20:15 |
| ParahSailin | i should do an indiegogo to find out what the compnent of ballsack that smells like bleach is | 20:19 |
| kanzure | you might have a condition | 20:20 |
| ParahSailin | probably involving a library of the olfactory gpcrs and see which ones respond both to chlorine and semen | 20:21 |
| kanzure | you know, i just remembered that parasailing is a thing | 20:21 |
| ParahSailin | you've never had a curiosity why semen smells like bleach | 20:22 |
| kanzure | it's entirely possible that my nose is broken | 20:23 |
| kanzure | or wait, maybe yours is | 20:24 |
| ParahSailin | apparently this plant produces a ligand that activates the same receptor http://en.wikipedia.org/wiki/Pyrus_calleryana | 20:24 |
| ParahSailin | please dont tell me that im the only one who has observed this phenomenon, and that you have not mitm'd me to see all these "why semen smells like bleach" pages on quora | 20:27 |
| kanzure | my man in the middle attacks aren't nearly so personalized | 20:27 |
| ParahSailin | there does not appear to be anything in the literature about this | 20:28 |
| ParahSailin | but, you know, why would there be a chlorine smell that humans can detect | 20:28 |
| ParahSailin | molecular chlorine is not something that really existed until like 300 years ago | 20:29 |
| ParahSailin | in our environment i mean | 20:29 |
| ParahSailin | its probably just some random receptor for i dunno some steroid metabolite in semen that got enlisted for duty when someone invented the chlor alkali process | 20:32 |
| kanzure | receptors don't always need specificity | 20:32 |
| ParahSailin | that happened to have the same specificity purely by accident | 20:32 |
| ParahSailin | wait, so i know a guy who is anosmic | 20:32 |
| ParahSailin | i wonder how he perceives inhaled bleach | 20:33 |
| -!- ryankarason [~rak@opensource.cse.ohio-state.edu] has quit [Ping timeout: 240 seconds] | 20:33 | |
| ParahSailin | fuck, and hes offline now | 20:33 |
| kanzure | what a loser | 20:33 |
| ParahSailin | i wanna win the ig nobel prize with this | 20:34 |
| ParahSailin | this is my sincere dream | 20:34 |
| -!- ryankarason [~rak@opensource.cse.ohio-state.edu] has joined ##hplusroadmap | 20:35 | |
| ParahSailin | ok, so chlorine gas is not the primary odorant, but it reacts quickly to form one | 20:38 |
| ParahSailin | or so one poorly cited sentence claims | 20:39 |
| -!- genehacker [~chatzilla@c-98-232-239-159.hsd1.or.comcast.net] has joined ##hplusroadmap | 20:46 | |
| -!- delinquentme [~delinquen@74.61.157.78] has quit [Read error: Connection reset by peer] | 21:15 | |
| -!- justanotheruser [~Justan@unaffiliated/justanotheruser] has joined ##hplusroadmap | 21:19 | |
| Daeken | okay, so, i've found sources for just about everything we need. the one thing missing: spin coater. | 21:36 |
| Daeken | given the pricing i'm seeing, i think that building my own is the most likely route. i could buy one off ebay, but i'd rather come up with plans for a coater that everyone can build, since everything else is so cheap. | 21:36 |
| Daeken | replication is a Good Thing (TM) and all that. | 21:36 |
| -!- padz [~yenatch@131.252.130.250] has joined ##hplusroadmap | 21:58 | |
| -!- Viper168 [~Viper@unaffiliated/viper168] has quit [Ping timeout: 250 seconds] | 23:28 | |
| Daeken | due to the nature of this project, i think that double sided tape might actually work just fine... no need for a vacuum. can rough up the underside of the wafer, to improve adhesion. plus, we're talking a tiny wafer and 4000rpm. not exactly a lot. | 23:34 |
| -!- Viper168 [~Viper@unaffiliated/viper168] has joined ##hplusroadmap | 23:36 | |
| -!- Vutral [~ss@mirbsd/special/Vutral] has quit [Ping timeout: 245 seconds] | 23:41 | |
| fenn | .title http://www.ti.com/devnet/docs/catalog/thirdpartydevtoolfolder.tsp?actionPerformed=productFolder&productId=16180&DCMP=DesignHouse&HQS=dlp-embed-cat-14q3-bti-pf-en | 23:44 |
| yoleaux | LC3000-PRO DLP Pico Projector with UV LED DLP Pico Projector (Design Kits & Evaluation Modules) | Texas Instruments | 23:44 |
| fenn | $1450 | 23:44 |
| fenn | 800x480 resolution 385nm, 400nm, 405nm options | 23:47 |
| -!- Vutral [~ss@mirbsd/special/Vutral] has joined ##hplusroadmap | 23:49 | |
| fenn | huh, this DLP "LightCrafter" product line has existed since 2012: http://www.ti.com/tool/dlplightcrafter | 23:49 |
| fenn | "Up to 4000 Hz binary pattern rate" | 23:50 |
| fenn | it's actually being marketed for use in structured light and machine vision applications | 23:51 |
| genehacker | well DLP isn't exactly new tech | 23:51 |
| fenn | yes but i definitely never found anything like this in past searches | 23:52 |
| genehacker | that 4KHz took a moment to sink in | 23:53 |
| fenn | you could do 3D scanning at ~250Hz | 23:53 |
| fenn | with an appropriate high speed camera | 23:54 |
| fenn | it's only 20 lumens so noise would be a problem | 23:56 |
| fenn | it would be fun to do 3d scanning by throwing objects through the air in front of a scanner | 23:57 |
| --- Log closed Wed Mar 18 00:00:25 2015 | ||
Generated by irclog2html.py 2.15.0.dev0 by Marius Gedminas - find it at mg.pov.lt!