| --- Log opened Sun Nov 04 00:00:15 2012 | ||
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| Loanshark | hello | 03:49 |
|---|---|---|
| Loanshark | I am getting the greyscreen of death on my mac! can someone please help? | 03:50 |
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| Loanshark | can someone please help? | 03:59 |
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| curt1s | hi | 13:07 |
| curt1s | pretty quite around here huh | 13:07 |
| curt1s | quiet* | 13:07 |
| curt1s | where is everybody | 13:07 |
| brownies | working | 13:08 |
| strangewarp | upgrading some slightly outdated DIY musical hardware while I wait for a drum machine to arrive | 13:10 |
| strangewarp | openly transhumanist musician.. activate | 13:11 |
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| ThomasEgi | anyone knows a source for small quantities of zeolite 3A (alternatively 4A or x13).i can only find 1ton and more. or totaly overpriced offers :/ | 13:27 |
| ThomasEgi | but nothing in lab quantities of bout 1kg or so. | 13:27 |
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| fenn | ThomasEgi: get a dead/malfunctioning oxygen concentrator from a hospital or care facility? | 13:40 |
| fenn | looks like this is used for distilling alcohol? http://www.milehidistilling.com/zeolite-3a-ethanol-dessicant-5-pounds/ | 13:41 |
| ParahSailin | ThomasEgi, i have gotten free samples from chinese mfers | 13:42 |
| ParahSailin | go on alibaba and send out inquiries | 13:42 |
| fenn | is $14/kg overpriced? | 13:42 |
| ThomasEgi | ton sells for 1400 | 13:43 |
| ThomasEgi | so yes.. 10 times over wholesale price^ | 13:43 |
| ParahSailin | free is even cheaper... | 13:43 |
| ThomasEgi | my best find was about 25bucks /kg | 13:43 |
| fenn | what are you using it for anyway? | 13:43 |
| ThomasEgi | collecting water from air | 13:43 |
| fenn | ORLY | 13:43 |
| ParahSailin | seriously, molecular sieve is something that you get free samples of easily | 13:44 |
| fenn | i was researching various types of air wells before moving to the desert | 13:44 |
| AdrianG | 25 bucks a kilo is dirt cheap damn | 13:44 |
| fenn | i figure a calcium chloride saturated waterfall would do a good job | 13:44 |
| AdrianG | where is a good place to be APIs | 13:44 |
| AdrianG | like triiodotyronine | 13:44 |
| fenn | API stands for what now? | 13:45 |
| ParahSailin | active pharma ingr? | 13:45 |
| ThomasEgi | ParahSailin, if you can manage to provide me a free sample of anywhere between 1 and 20kg i'll take it:D | 13:45 |
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| AdrianG | yes active pharma ingredients | 13:49 |
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| AdrianG | for "research" for i am an independent researcher | 13:49 |
| ParahSailin | ThomasEgi, do your own leg work | 13:55 |
| ParahSailin | actually--- this is who i got some from once www.molecular-sieve.net | 13:56 |
| ParahSailin | Ms.Zhang Yujun / Export department | 13:56 |
| ParahSailin | ***** ***** ***** ***** ***** ***** ***** ** | 13:56 |
| ParahSailin | Dalian Haixin Chemical Industrial CO.Ltd | 13:56 |
| ParahSailin | 212-6-1202 Gaoerji Road Dalian,116011 China | 13:56 |
| ParahSailin | Tel: +86-411-83785918 | 13:56 |
| ParahSailin | Fax: +86-411-83785808 | 13:56 |
| ParahSailin | Mobil:+86-13842819857 | 13:56 |
| ParahSailin | email:haixin@mail.dlptt.ln.cn | 13:56 |
| ParahSailin | do you need a "script" for how to bum samples from a chemical co? | 13:57 |
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| fenn | "hello, i am a lowly researcher from a fast paced pharmaceutical company that will soon be needing millions of tons of [INSERT PRODUCT NAME HERE] for mass production, send me teh samplez quick" | 13:59 |
| nmz787 | ParahSailin: what is molecular sieve? filter? | 13:59 |
| ParahSailin | zeolites | 13:59 |
| fenn | nmz787: adsorption | 13:59 |
| ParahSailin | fenn, exactly | 13:59 |
| fenn | sometimes selective based on size | 14:00 |
| fenn | also you can get them coated with various resins for enhanced selectivity | 14:00 |
| nmz787 | so that company you just linked doesn't have [insert chem here] | 14:00 |
| nmz787 | fenn are you still in NM? | 14:06 |
| fenn | no, i went back to austin temporarily | 14:09 |
| fenn | things didn't work in nm | 14:09 |
| nmz787 | fenn: have any ideas for how to blur a lithography master to reduce edge 'jaggies' | 14:20 |
| nmz787 | I found a guy who will probably let me play with a FIB (focused ion beam) | 14:20 |
| fenn | FIB is computer controlled, what do you mean "master"? | 14:20 |
| fenn | it's like CNC | 14:20 |
| nmz787 | so I think i'm gonna make lithography master's with that, then use them for making my micro channels | 14:20 |
| fenn | er, is this a software issue or a process issue? | 14:21 |
| nmz787 | yeah like CNC a quartz plate with gold on it, remove the gold, use that as a contact lithography mask | 14:21 |
| nmz787 | well its still raster | 14:21 |
| fenn | don't do raster then | 14:21 |
| nmz787 | so on nm scale there are still gonna be jagged edges | 14:21 |
| nmz787 | i'm not sure if that's possible with the CNC control | 14:21 |
| nmz787 | i.e. doing vector mode | 14:22 |
| fenn | sigh. anyway, use something to dissolve the jaggies | 14:22 |
| nmz787 | sigh? | 14:22 |
| fenn | electropolishing probably won't work because it's not a single conductor anymore (after you cut it into bits) | 14:22 |
| fenn | sigh because sometimes it seems like all of our problems are because of bad software | 14:22 |
| nmz787 | i was thinking either brief chemical etch, or blurring the lithography transfer somehow | 14:23 |
| fenn | not a lot dissolves gold, i can only think of aqua regia | 14:23 |
| nmz787 | i know he had another metal sputter station | 14:27 |
| nmz787 | can't remember what kind it was | 14:27 |
| fenn | you can sputter chrome | 14:28 |
| fenn | or aluminum | 14:28 |
| fenn | or anything really | 14:28 |
| fenn | masks are usually chrome | 14:28 |
| nmz787 | i'm over in #homecmos with azonenberg, he's got some good tips | 14:31 |
| fenn | if you want to make something for me with your FIB time | 14:40 |
| fenn | i wanted to do a variable pitch diffraction grating, going from mm size (visible stripes) down to the resolution limit of the etching device | 14:40 |
| fenn | then use it as a master to cold press onto mylar film and make ribbons | 14:41 |
| nmz787 | what would it look like? | 14:41 |
| fenn | i don't know, that's part of why i wanted to do it | 14:41 |
| nmz787 | the guy wrote the entire bible in ~1 sq inch (shaped like a cross actually) in an afternoon | 14:41 |
| nmz787 | and makes replicas on a hot plate with polystyrene | 14:41 |
| nmz787 | i was thinking of making a fresnel lens to accompany the microbible | 14:42 |
| fenn | yeah i saw that, how long do you think it will last? | 14:42 |
| nmz787 | as you can't really read it without like 500X mag | 14:42 |
| fenn | 1000 years? | 14:42 |
| nmz787 | dunno | 14:42 |
| nmz787 | heh | 14:42 |
| fenn | a billion years? | 14:42 |
| nmz787 | but apparently that service hasn't really taken off | 14:42 |
| fenn | nobody thinks long term | 14:42 |
| nmz787 | so he said if i had any ideas, i could have a percent of the sales | 14:42 |
| nmz787 | so i think your ribbon idea might be a decent gimmicky idea | 14:43 |
| nmz787 | sell to ravers if it looked cool?? | 14:43 |
| nmz787 | well he said the input was a binary bitmap | 14:43 |
| nmz787 | so i dunno if you could easily output that from inkscape | 14:44 |
| nmz787 | would you think the line spacing as well as thickness should change at the same time? | 14:44 |
| nmz787 | or keep the spacing constant while decreasing line width? | 14:45 |
| nmz787 | following a chirp function? | 14:45 |
| nmz787 | maybe that could be the first thing I play around with FIBing | 14:46 |
| * nmz787 got the cantenna trained on an open FIOS connection! | 14:46 | |
| fenn | the image resolution is going to be huge | 14:47 |
| fenn | number of pixels i mean | 14:47 |
| fenn | anyway i'd write a script to do it | 14:48 |
| fenn | the wavelength changes, the duty cycle remains 50% | 14:48 |
| fenn | so yes, a chirp function | 14:48 |
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| nmz787 | well you should play with that idea if you have some time | 14:52 |
| nmz787 | I am gonna meet with this guy to discuss fluidics work this week, so I can mention I have an idea for getting to learn the FIB | 14:53 |
| ParahSailin | fib is super expensive right? | 14:53 |
| nmz787 | this guy said he charges $375 / hr | 14:56 |
| nmz787 | but that I could play with it for free/cheap for a while | 14:56 |
| nmz787 | if I could actually come up with something that made some income, it would be even better | 14:57 |
| nmz787 | so some optical trinket could be just the right thing | 14:57 |
| nmz787 | make a master, replicate with a hot plate melting on some plastic and peeling off when hard | 14:57 |
| nmz787 | bbl | 14:59 |
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| fenn | $1/kg http://www.statelinetack.com/item/sweet-pdz-stall-freshener/ | 19:45 |
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| Maluseth | http://www.nanostring.com/ | 23:43 |
| Maluseth | what is it? | 23:44 |
| Maluseth | hope it helps someone here. | 23:44 |
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| --- Log closed Mon Nov 05 00:00:16 2012 | ||
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