--- Day changed Mon Apr 27 2009 00:03 * fenn goes to spend the last of his money 00:03 < kanzure-> on what? 00:03 < fenn> groceries, and a brake caliper 00:03 -!- tarbo2 [n=me@unaffiliated/tarbo] has quit [Read error: 60 (Operation timed out)] 00:12 -!- tarbo2 [n=me@unaffiliated/tarbo] has joined #hplusroadmap 00:19 < kanzure-> "optical atomic magnetometer" 00:25 < kanzure-> Neuronal current detection with low-field magnetic resonance 00:29 < kanzure-> Where are all of those portable MRI devices that I was promised? 00:30 < kanzure-> specifically so that I might be able to do transgenic mice with MRI of gene regulation networks in different regions of the brain 00:31 < kanzure-> (so, there's many thousands of genes specific to the brain, so it would either take many thousands of mice, or some cleverness in switching of which circuit is being regulated at what time) 00:46 -!- kardan [n=kardan@240.106.113.82.net.de.o2.com] has quit [Read error: 110 (Connection timed out)] 00:52 < kanzure-> hrm. multiphoton fluorescence microscopy with GFP up to 1 mm into the rat cortex. 00:52 < kanzure-> Theer et al. 2003 01:14 -!- truename_ [n=truename@c-76-125-146-206.hsd1.pa.comcast.net] has joined #hplusroadmap 01:17 -!- truename [n=truename@c-76-125-146-206.hsd1.pa.comcast.net] has quit [Read error: 110 (Connection timed out)] 01:21 < fenn> "portable MRI" just sounds like it's not going to happen any time soon 01:21 < fenn> at least until we get low temp superconductors 01:21 < fenn> er, room temp superconductors 01:27 -!- tarbo2 [n=me@unaffiliated/tarbo] has quit [Read error: 110 (Connection timed out)] 01:29 < fenn> the ATM had a feature i've never seen before.. you shove in a wad of bills and it scans them 01:30 -!- tarbo2 [n=me@unaffiliated/tarbo] has joined #hplusroadmap 01:40 < kanzure> there was something about non-superconductor MRI stuff. 01:44 < fenn> well then you need a bigass battery to keep the field strength up 01:44 < kanzure> hrm. no thanks. 01:44 < fenn> or a generator or something like a semi trailer 01:44 < kanzure> can you show your work? 01:46 < fenn> beta = 7T = 6320MA*turn*2m^2*pi*Eo 01:46 < fenn> :\ 01:47 < fenn> Eo = 8.8541878e-12 A^2 s^4 / kg m^3 01:48 < fenn> tesla = 1 kg / A s^2 01:48 < fenn> so, fudge those to get the units right and you're probably in the ballpark 01:50 < kanzure> I don't like seeing mega-amps in my units. 01:53 < kanzure> http://singularityhub.com/2009/04/23/donated-lungs-breathing-outside-the-body-video/ 01:54 < kanzure> or for the actual news: http://www.uhn.ca/news/Index.asp?crypt=%D3%EA%E1%B2%08Q%25D%B1%0Es%1F%5C%E7E%E4%FF%3B%DE 01:55 < fenn> dont we have artificial lungs yet? like dialysis machine but for oxygen 01:56 < splicer> respirator 01:56 < kanzure> "oxygenator" 01:56 < kanzure> er 01:57 < kanzure> I'm also reminded of the heart-in-a-jar work: http://scienceblogs.com/pharyngula/2008/01/i_want_a_heart_in_a_jar.php 01:57 < splicer> i want one to extract oxygen from water 01:58 < kanzure> fenn, out of curiosity, did you try the 5 mg adderall? 02:02 -!- fenn_ [n=fenn@cpe-72-177-52-180.austin.res.rr.com] has joined #hplusroadmap 02:13 -!- fenn [n=fenn@cpe-72-177-52-180.austin.res.rr.com] has quit [Read error: 110 (Connection timed out)] 02:15 -!- genehacker_ [n=chatzill@wireless-128-62-178-234.public.utexas.edu] has joined #hplusroadmap 02:17 < genehacker_> we have artificial lungs 02:18 < kanzure-> http://www.uhn.ca/news/Index.asp?crypt=%D3%EA%E1%B2%08Q%25D%B1%0Es%1F%5C%E7E%E4%FF%3B%DE 02:18 < kanzure-> that's not artificial. 02:21 -!- fenn_ is now known as fenn 02:21 < genehacker_> no sleep too eh? 02:27 -!- genehacker [n=chatzill@wireless-128-62-178-234.public.utexas.edu] has quit [Read error: 110 (Connection timed out)] 02:45 < bkero> >=) 03:33 < genehacker_> :> 03:38 < faceface> re: artificial lungs, interesting is mimetic haemoglobin 03:38 < faceface> still nothing beats the original 03:42 < genehacker_> devices that infuse oxygen directly into ones blood have a major advantage in dangerous environments 03:42 < genehacker_> say a carbon monoxide filled mine 03:44 < faceface> why not use an air tank 03:44 < faceface> scuba gear 03:46 < genehacker_> http://arxiv.org/ftp/arxiv/papers/0806/0806.3792.pdf 03:46 < genehacker_> that's why 03:47 < faceface> genehacker_: what does that say? 03:47 < genehacker_> read the paper 03:48 < faceface> no 03:48 < faceface> ;-) 03:48 < faceface> sorry 03:48 < faceface> I'm at work 03:48 < faceface> but I'm just curious 03:48 < faceface> i.e. what is wrong with a CO filter? 03:49 < faceface> anyway, I just thought that if you were interested in artificial lungs, you may be interested in Heamoglobin mimetics 03:49 < genehacker_> yes very much so 03:52 -!- genehacker_ [n=chatzill@wireless-128-62-178-234.public.utexas.edu] has quit ["ChatZilla 0.9.84 [Firefox 3.0.9/2009040821]"] 03:56 -!- faceface is now known as director 03:57 -!- director is now known as director-facefac 03:57 -!- director-facefac is now known as director-face 04:02 -!- director-face is now known as faceface 07:08 -!- kardan [n=kardan@240.106.113.82.net.de.o2.com] has joined #hplusroadmap 07:58 -!- jm [n=jm@p57B9CA37.dip.t-dialin.net] has joined #hplusroadmap 08:56 -!- kardan [n=kardan@240.106.113.82.net.de.o2.com] has quit ["Leaving."] 09:04 -!- kardan [n=kardan@240.106.113.82.net.de.o2.com] has joined #hplusroadmap 09:46 -!- truename__ [n=truename@c-76-125-146-206.hsd1.pa.comcast.net] has joined #hplusroadmap 09:48 -!- truename_ [n=truename@c-76-125-146-206.hsd1.pa.comcast.net] has quit [Read error: 110 (Connection timed out)] 09:57 < kanzure> " 09:57 < kanzure> " 09:57 < kanzure> Ding and his colleagues show that mouse cells can be reprogrammed to 09:57 < kanzure> form stem cells with a combination of purified proteins and a chemical 09:57 < kanzure> additive, thus avoiding the use of genetic material." 09:58 < kanzure> "purely protein pluripotency" 10:04 -!- truename__ [n=truename@c-76-125-146-206.hsd1.pa.comcast.net] has quit [Read error: 110 (Connection timed out)] 10:05 -!- truename__ [n=truename@c-76-125-146-206.hsd1.pa.comcast.net] has joined #hplusroadmap 10:38 < kanzure> posted some more to http://postbiota.org/mailman/listinfo/papers 10:48 -!- nsh [n=nsh@86.133.35.168] has joined #hplusroadmap 11:06 -!- kardan [n=kardan@240.106.113.82.net.de.o2.com] has quit [Read error: 110 (Connection timed out)] 11:50 < kanzure> How much anxiety should I have over the swine flu stuff in the news? 11:51 < faceface> kanzure: just talking about that in #bioinformatics 12:45 < kanzure> http://heybryan.org/books/papers/Cell_membrane_detailed_diagram.svg 12:45 < kanzure> I have renewed faith in humanity. 14:05 -!- kardan [n=kardan@240.121.113.82.net.de.o2.com] has joined #hplusroadmap 14:19 < kanzure-> using picosecond or nanosecond pulsing of lasers in water to generate bubbles, the shockwaves from cavitation (bubble break down) travel 0.1225 mm. 14:19 < kanzure-> the pressure at the plasma rim ranges from a few thousand megapascals to almost ten thousand megapascals 14:19 < kanzure-> the pressure decays (after shock front formation) roughly proporational to 1/r^2 14:20 < kanzure-> maximum bubble wall velocity ranges from 390 to 2450 m/sec. 14:20 < kanzure-> waterjet cutting, for comparison, is done at 620 MPa. 14:21 < kanzure-> blah- so almost :) you can almost do light-induced waterjet cutting via popping bubbles with ridiculously small orifices 14:21 < kanzure-> off by a factor of ~15 14:22 < bkero> I keep getting red-numbered in here for the word 'bubbles' 14:22 < kanzure-> ? 14:23 < kanzure-> oh, you highlight the word still? 14:28 < kanzure-> also, the laser cavitation stuff (for pumping droplets and stuff) was 10 to 40 atm. 14:28 < kanzure-> which is 4 MPa. 14:39 < kanzure-> hrm. cell lysis done with 120 MPa with a laser and cavitation .. there has been some low-pressure waterjet cutting/machining with only 35 MPa. so, there you have it. 14:39 < kanzure-> It would have to be very close to the site of shockwave generation though- the work piece material, I mean 14:40 < kanzure-> yay, somebody thought of this. "Possibility of Metal Processing Using Ultrasonic Cavitation Jet." 14:52 -!- kardan_ [n=kardan@240.106.113.82.net.de.o2.com] has joined #hplusroadmap 15:05 -!- kardan [n=kardan@240.121.113.82.net.de.o2.com] has quit [Read error: 110 (Connection timed out)] 15:41 < kanzure> neat, some postdoc emailed me- he has a biobrick of MagA 15:43 < kanzure> hah! 15:44 < kanzure> does anyone else see the irony in the google logo today being braille? 15:44 < kanzure> erm, morse code 16:19 -!- kardan_ [n=kardan@240.106.113.82.net.de.o2.com] has quit [Connection timed out] 16:26 -!- xp_prg [n=xp_prg3@99.2.31.217] has joined #hplusroadmap 16:27 -!- genehacker [n=chatzill@wireless-128-62-178-234.public.utexas.edu] has joined #hplusroadmap 17:02 < kanzure> http://actualhardware.com/ 17:03 < fenn> lies! 17:04 < kanzure> guess who. 17:04 -!- kardan [n=kardan@240.121.113.82.net.de.o2.com] has joined #hplusroadmap 17:05 < kanzure> http://opensourcebridge.org/ 17:05 < kanzure> http://opensourcebridge.org/proposals/140 17:06 < kanzure> so er, does he have any .. actual hardware? 17:07 < fenn> i thought he looked familiar 17:08 < kanzure> http://actualblog.tumblr.com/ 17:08 < kanzure> so he has some wrenches 17:15 -!- genehacker [n=chatzill@wireless-128-62-178-234.public.utexas.edu] has quit [Read error: 110 (Connection timed out)] 17:28 -!- kardan [n=kardan@240.121.113.82.net.de.o2.com] has quit [Read error: 110 (Connection timed out)] 17:49 -!- nsh [n=nsh@86.133.35.168] has quit [] 17:50 < kanzure> apparently I like chargrilled pork. 18:18 < kanzure-> GraphScholar http://hublog.hubmed.org/archives/001002.html 18:19 -!- genehacker [n=chatzill@wireless-128-62-180-211.public.utexas.edu] has joined #hplusroadmap 18:21 -!- genehacker_ [n=chatzill@wireless-128-62-180-211.public.utexas.edu] has joined #hplusroadmap 18:30 -!- nsh [n=nsh@host86-133-35-168.range86-133.btcentralplus.com] has joined #hplusroadmap 18:38 < kanzure-> https://wiki.mozilla.org/XUL:Tree 18:38 < kanzure-> this is terrible documentation 18:39 -!- genehacker [n=chatzill@wireless-128-62-180-211.public.utexas.edu] has quit [Read error: 110 (Connection timed out)] 18:52 < kanzure-> somewhat better: http://www.xul.fr/tutorial/tree.html 18:52 < kanzure-> http://forums.mozillazine.org/viewtopic.php?f=19&t=282459 19:00 < kanzure-> https://developer.mozilla.org/En/Code_snippets/On_page_load 19:05 < fenn> while sorting papers i found this one which was sort of what i was talking about the other day with hyperbolic and conformal mappings for a wearable interface: http://graphics.uni-konstanz.de/publikationen/2006/complex_logarithmic_views/Boettger et al. -- Complex Logarithmic Views for Small Details in Large Contexts.pdf 19:05 < fenn> add %20's as necessary 19:11 < kanzure-> irssi adds in \t's. blah. 19:16 < kanzure-> if(doc.location.href.search("forum") > -1) 19:16 < kanzure-> alert("a forum page is loaded"); 19:16 < kanzure-> welcome to bad coding 101 20:53 -!- xp_prg [n=xp_prg3@99.2.31.217] has quit ["This computer has gone to sleep"] 21:23 -!- genehacker_ [n=chatzill@wireless-128-62-180-211.public.utexas.edu] has quit [Read error: 110 (Connection timed out)] 21:59 -!- kardan [n=kardan@82.113.121.240] has joined #hplusroadmap 22:05 < kanzure-> interesting, sbcglobal.net's mail system backend is perl 22:06 < kanzure-> see /home/y/bin/ymail_sbc_localdot.pl 22:38 -!- genehacker [n=chatzill@wireless-128-62-180-211.public.utexas.edu] has joined #hplusroadmap 23:08 < genehacker> hey kanzure, could you find some shikimic acid production pathways? 23:10 -!- jm [n=jm@p57B9CA37.dip.t-dialin.net] has quit [Read error: 113 (No route to host)] 23:11 < genehacker> would you beliece they make tamiflu from some chinese spice? 23:12 < genehacker> I though this was the year 2000 23:12 < genehacker> and we didn't need to do that 23:21 -!- kardan [n=kardan@82.113.121.240] has quit [Read error: 110 (Connection timed out)] 23:35 < kanzure-> https://addons.mozilla.org/en-US/firefox/addon/8879 23:35 < kanzure-> foxtab ? 3D tabs?? hrm. 23:35 < kanzure-> oh, it sucks 23:35 < kanzure-> nevermind