--- Day changed Thu Apr 29 2010 00:27 -!- genehacker [genehacker@wireless-128-62-48-105.public.utexas.edu] has quit [Ping timeout: 276 seconds] 01:06 -!- genehacker [genehacker@wireless-128-62-48-105.public.utexas.edu] has joined #hplusroadmap 01:18 -!- genehacker [genehacker@wireless-128-62-48-105.public.utexas.edu] has quit [Quit: you can help me save the Earth from a terrible experience, yes the whole Earth.] 02:21 < bkero> MIT OpenCourseware 02:58 -!- strages [~strages@c-76-29-243-225.hsd1.al.comcast.net] has quit [Ping timeout: 264 seconds] 02:59 -!- strages [~strages@c-76-29-243-225.hsd1.al.comcast.net] has joined #hplusroadmap 03:00 -!- superkuh [hukrepus@unaffiliated/superkuh] has quit [Ping timeout: 265 seconds] 03:02 -!- superkuh [hukrepus@unaffiliated/superkuh] has joined #hplusroadmap 04:53 -!- shepazu [~schepers@adsl-162-145-178.rmo.bellsouth.net] has quit [Quit: shepazu] 05:24 -!- marainein [~marainein@220.253-206-217.VIC.netspace.net.au] has joined #hplusroadmap 05:35 -!- heath [~quassel@unaffiliated/ybit] has joined #hplusroadmap 05:36 -!- ybit3 [~quassel@unaffiliated/ybit] has quit [Ping timeout: 260 seconds] 05:44 -!- klafka [~klafka@cpe-66-66-5-254.rochester.res.rr.com] has joined #hplusroadmap 05:53 -!- shepazu [~schepers@208-1-62-50.celito.net] has joined #hplusroadmap 05:54 -!- shepazu [~schepers@208-1-62-50.celito.net] has quit [Client Quit] 05:55 < kanzure> bkero: ocw.mit.edu doesn't have any neuroscience classes in audio format that are relevant except like this weird "neuroscience of behavior" class. 05:57 -!- Redeemer [~lorddeeme@c-75-72-218-226.hsd1.mn.comcast.net] has joined #hplusroadmap 06:01 -!- shepazu [~schepers@208-1-62-50.celito.net] has joined #hplusroadmap 06:15 -!- shepazu [~schepers@208-1-62-50.celito.net] has quit [Quit: shepazu] 07:02 < kanzure> fenn: anselm has posted to diybio in a thread with the subject "Fast-acting transcriptionalregulation by light responsive elements" 07:02 < kanzure> i don't remember if you told asked him to build you a writozyme or not 07:25 -!- Phreedom [~quassel@109.254.6.63] has quit [Ping timeout: 252 seconds] 07:31 -!- Phreedom [~quassel@109.254.6.63] has joined #hplusroadmap 07:34 -!- shepazu [~schepers@208-1-62-50.celito.net] has joined #hplusroadmap 07:52 -!- anthonyl [~anthonyl@208.78.67.234] has joined #hplusroadmap 07:58 -!- Redeemer [~lorddeeme@c-75-72-218-226.hsd1.mn.comcast.net] has quit [] 08:11 < fenn> yeah i explained the concept to him in a few different contexts 08:13 < fenn> you broke that thread :( 08:14 < fenn> oh, there's something weird with the headers 08:23 < fenn> so i've been lying here not sleeping and thinking about VR rigs.. kinematic/haptic body frames and how to control massive numbers of micro-bladders 08:24 < fenn> i think you would need some kind of fractal bladder structure to get enough travel and also detail 08:24 < fenn> thinking about using lab on chip valve techniques to control them.. flexible layer over a channel with a piezo pushing on it. still requires a lot of piezo actuators though 08:25 < fenn> but at least they can be made in "comb" modules of a hundred or so in a single piece; simplifies wiring by a couple orders of magnitude 08:26 -!- sinito [~asa@99.103.130.26] has quit [Quit: HydraIRC -> http://www.hydrairc.com <- \o/] 08:29 < fenn> the bladder kinematics is a nightmare 08:39 -!- JayDugger [~duggerj@2001:0:53aa:64c:1c77:5ff3:52c6:ef50] has joined #hplusroadmap 08:47 < kristianpaul> any news about skdb? 08:47 < kristianpaul> features or something 08:51 < fenn> nobody's done anything with skdb in months 08:56 < fenn> hmm.. "thermo-responsive hydrogel valves" 09:00 < fenn> phase change waxes might be more practical 09:00 -!- shepazu [~schepers@208-1-62-50.celito.net] has quit [Quit: shepazu] 09:05 < JayDugger> Gasp! Has skdb died? 09:08 < JayDugger> Time to write a panic tweet, follow it up with half a dozen exquisitely reasoned blog posts for analysis, and post irresistible flame-bait everywhere I can! 09:09 < fenn> thanks for your show of support 09:10 < JayDugger> Just doing my part. :) 09:11 -!- klafka [~klafka@cpe-66-66-5-254.rochester.res.rr.com] has quit [Quit: This computer has gone to sleep] 09:16 -!- JayDugger [~duggerj@2001:0:53aa:64c:1c77:5ff3:52c6:ef50] has quit [Quit: Leaving.] 09:23 < fenn> the microactuator array consists of individual phase-change based actuators addressed by localized heating through focused light patterns (address bus), which can be provided by a modified projector or high power laser pointer. A common pressure manifold (data bus) for the entire array is used to generate large deflections of the phase change actuators in the molten phase 09:24 < fenn> or cheapie LCD screen presumably 09:24 < fenn> power input is proportional to actuator size 09:30 -!- marainein [~marainein@220.253-206-217.VIC.netspace.net.au] has quit [Quit: Ex-Chat] 09:51 -!- jm|earth [~jm@p57B9E297.dip.t-dialin.net] has joined #hplusroadmap 09:57 -!- Redeemer [~lorddeeme@c-75-72-218-226.hsd1.mn.comcast.net] has joined #hplusroadmap 10:28 -!- shepazu [~schepers@208-1-62-50.celito.net] has joined #hplusroadmap 10:38 -!- Redeemer [~lorddeeme@c-75-72-218-226.hsd1.mn.comcast.net] has quit [] 11:04 -!- genehacker [genehacker@wireless-128-62-173-12.public.utexas.edu] has joined #hplusroadmap 11:52 -!- klafka [~klafka@129.21.69.39] has joined #hplusroadmap 11:59 -!- shepazu [~schepers@208-1-62-50.celito.net] has quit [Quit: shepazu] 12:35 -!- shepazu [~schepers@208-1-62-50.celito.net] has joined #hplusroadmap 12:54 -!- Noahj1 [~noah@ip68-230-157-203.ri.ri.cox.net] has joined #hplusroadmap 12:56 -!- Noahj [~noah@ip68-230-157-203.ri.ri.cox.net] has quit [Ping timeout: 265 seconds] 13:08 -!- shepazu [~schepers@208-1-62-50.celito.net] has quit [Quit: shepazu] 13:17 -!- shepazu [~schepers@208-1-62-50.celito.net] has joined #hplusroadmap 13:27 -!- genehacker [genehacker@wireless-128-62-173-12.public.utexas.edu] has quit [Ping timeout: 276 seconds] 13:35 -!- genehacker [genehacker@wireless-128-62-173-12.public.utexas.edu] has joined #hplusroadmap 13:44 -!- genehacker [genehacker@wireless-128-62-173-12.public.utexas.edu] has quit [Ping timeout: 264 seconds] 14:04 -!- shepazu [~schepers@208-1-62-50.celito.net] has quit [Quit: shepazu] 14:42 -!- genehacker [genehacker@wireless-128-62-102-156.public.utexas.edu] has joined #hplusroadmap 14:54 -!- genehacker [genehacker@wireless-128-62-102-156.public.utexas.edu] has quit [Ping timeout: 264 seconds] 14:57 -!- strages [~strages@c-76-29-243-225.hsd1.al.comcast.net] has quit [Read error: Connection reset by peer] 14:58 -!- strages [~strages@c-76-29-243-225.hsd1.al.comcast.net] has joined #hplusroadmap 15:18 -!- genehacker [genehacker@wireless-128-62-32-37.public.utexas.edu] has joined #hplusroadmap 15:57 -!- klafka [~klafka@129.21.69.39] has quit [Quit: This computer has gone to sleep] 16:15 < fenn> iron man 2 eh 16:16 < QuantumG> yeah.. guess I should go see it 16:17 < fenn> "in which our hero iron man actually fights some bad guys" 16:20 < fenn> so i'm thinking about a flexible suit made entirely of hexagonal bubbles which can be inflated with fluid to cause that surface to contract and put force on a limb 16:20 < fenn> it's godawful complex to control though, would have to do some kind of learning algorithm i think 16:21 < fenn> not really for exoskeleton stuff because you're still loading the human bones, more for VR 16:21 < fenn> s/exoskeleton/jumping over buildings/ 16:21 < fenn> inspiration is the eldar armor in wh40k (not like anybody knows wtf i'm talking about) 16:21 < QuantumG> a force feedback suit? 16:25 < fenn> right 16:26 < QuantumG> intending to move you under computer control right? 16:26 < fenn> i made a little diagram showing how the bubble would contract: http://fennetic.net/irc/hex_bubble.svg 16:27 < QuantumG> so is this pneumatic? 16:28 < fenn> i've long thought the focus on position control in robotics was self defeating 16:28 < fenn> for most applications force is what you're after, and as a bonus it's easier to control anyway 16:29 < fenn> probably hydraulic because it has less springinessD[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D 16:29 < QuantumG> right, but you expect feed lines running from each hexagonal bubble to a pump system somewhere.. 16:30 < fenn> yeah 16:30 < fenn> hence all the rambling about light gated microfluidics 16:30 < kanzure> wtf it's fenn! http://photos3.meetupstatic.com/photos/event/3/c/6/7/highres_14655463.jpeg 16:31 < fenn> stalker 16:31 < kanzure> no i just happen to like kite boarding 16:31 < fenn> uh huh 16:32 < kanzure> some of the austin hackerspace people are going to a rave 16:33 < kanzure> should i tag along? i've never been to a rave 16:33 < kanzure> screw this.. there's a *fee*?? 16:34 < bkero> lol 16:34 < bkero> Go to rave. 16:34 < bkero> Meet a hoochie. 16:34 -!- klafka [~klafka@cpe-66-66-5-254.rochester.res.rr.com] has joined #hplusroadmap 16:35 < fenn> kanzure: do you like to dance? (yes/no) 16:36 < bkero> kanzure: do you like to dance? ([yes]/no) 16:36 < fenn> why is yes the default choice? 16:37 < bkero> Because if he doesn't respond we assume yes. 16:37 < fenn> kanzure: anyway, i'd suggest going to a rave if only to acquire some subjective experience in MDMA 16:38 < fenn> er, if your friends are into that sort of thing 16:41 < fenn> or you could stay home and listen to tranceport 4, which is on tub *cough internet down cough* 16:42 < fenn> you'd think hacker dojo would have a less sucky internet connection, considering all these people do is software 16:43 < kanzure> software in a vacuum probably just means they are microsoft drones? 16:43 < bkero> Maybe they're torrenting 16:43 < fenn> rate limited to 60KB/s burst 120Kb/s 16:43 < bkero> Or microsoft drones, I like that explanation better. 16:43 < bkero> Why the hell would you rate limit like that? 16:43 < bkero> Can they not figure out how QoS works? 16:44 < fenn> well that's what it seems.. there's no documentation anywhere 16:44 < kanzure> i spent the day at dave rauchwerk's machine shop 16:44 < kanzure> it's across the street from endesign / austin hackerspace 16:44 < kanzure> literally.. 16:44 < kanzure> he has a nice bridgeport 16:45 < kanzure> he wants to start doing diybio kits 16:46 < kanzure> so i had him and dr. treadwell planning things out while i napped (just woke up) 16:47 < fenn> has he got the mill working yet? 16:47 < kanzure> i didn't see it working but yeah i think so 16:48 < fenn> did you know treadwell has the 7th makerbot ever built? 16:48 < kanzure> yes 16:48 < kanzure> :) 16:49 < kanzure> he painted over the number too 16:49 < kanzure> painted or did something else equally silly like that 16:49 < fenn> oh well 16:49 < fenn> in 50 years it'll be junk 16:49 < kanzure> 50? why so many 16:50 < fenn> it already is junk :x 16:50 < fenn> but somewhere in between now and 50 years from now it'll be a "collector's item" 16:50 < fenn> scary huh 16:52 < fenn> math notation suxxors 16:52 < kanzure> notation eh 16:52 < fenn> this crap would be 90% easier in lisp 16:52 < kanzure> are you using latex? 16:53 < fenn> i'm just trying to read it and understand what's going on 16:53 < fenn> there should be some rule like "you have to repeat every equation in prose" or something like that 16:54 < kanzure> or else socrates rises from the grave to beat the fuck out of you 16:54 < fenn> yeah, socrates. the original badass 17:04 -!- genehacker [genehacker@wireless-128-62-32-37.public.utexas.edu] has quit [Ping timeout: 246 seconds] 17:19 -!- genehacker [genehacker@wireless-128-62-145-20.public.utexas.edu] has joined #hplusroadmap 17:26 < fenn> bkero: oi you have lots of servers right? can i get shell access to do various small compute-intensive tasks like computing toolpaths? 17:27 < fenn> it's more of a latency thing "crap now i have to wait five minutes to compile" than massive quantities of crunching 17:36 < bkero> fenn: Yea sure 17:45 -!- kristianpaul [~kristianp@190.7.138.249] has quit [Quit: leaving] 17:53 -!- genehacker [genehacker@wireless-128-62-145-20.public.utexas.edu] has quit [Ping timeout: 240 seconds] 18:15 < fenn> bkero: ok lemme know the details whenever 18:15 * kanzure needs to integrate google checkout into a django module 18:15 < kanzure> any hints? 18:15 -!- genehacker [genehacker@wireless-128-62-32-37.public.utexas.edu] has joined #hplusroadmap 18:16 < kanzure> i'd rather not have to reinvent the wheel 18:16 -!- kristianpaul [~kristianp@190.7.138.249] has joined #hplusroadmap 18:18 < fenn> kanzure: satchmo is supposed to do that by default 18:20 < kanzure> yes but i'm doing an auction site 18:20 < kanzure> so the satchmo shopping cart model doesn't really work well (?) 18:20 < fenn> oh, well, i'd read more about it anyway 18:20 < kanzure> i'm surprised there's no django auction app thing 18:20 -!- kristianpaul [~kristianp@190.7.138.249] has quit [Remote host closed the connection] 18:21 < fenn> there's not that many auction sites 18:21 < kanzure> ebay *bought* paypal 18:21 < fenn> yeah they're huge and certainly a monopoly by any reasonable definition 18:21 < kanzure> btw why doesn't anyone ever notice that ebay sucks from a web presence point of view? 18:21 < kanzure> like, their website is all blahblahblah.dll and click here click here 18:22 < fenn> yeah it's horrible 18:22 < kanzure> i guess a bunch of perl cobbled together in 1995 is bound to be terrible 18:22 * kanzure ducks hoping jrayhawk isn't around 18:22 < fenn> and it'll never ever get fixed because so much crap software relies on the awful 18:22 < kanzure> (jrayhawk is 90% perl) 18:22 < fenn> perl sucks 18:23 -!- kristianpaul [~kristianp@190.7.138.249] has joined #hplusroadmap 18:23 < fenn> perl reminds me of digging in the scrapyard for pretty baubles 18:23 < kanzure> so uh, i'm venture funded now 18:24 < fenn> gratz, wat for? 18:24 -!- kristianpaul [~kristianp@190.7.138.249] has quit [Client Quit] 18:24 -!- kristianpaul [~kristianp@190.7.138.249] has joined #hplusroadmap 18:24 < kanzure> iphone app http://www.youtube.com/watch?v=RB9wWpD9gj8 18:24 < fenn> is this what all the lawyering was about? 18:24 < kanzure> sadly no 18:25 < kanzure> i met with the dla piper lawyer re: compensation structure regarding structory, an online 80/20 distributor 18:25 < fenn> i tried to watch that several times but it was too painful :( 18:25 < fenn> isn't renee a "filmmaker"? 18:25 < kanzure> yes 18:25 < kanzure> mtv, yo 18:25 < kanzure> http://rjpinnell.info/ 18:26 < kanzure> anyway, he wants me to work 10 hours day and have at minimum 2 hours devoted to meetings each day during the summer 18:26 < kanzure> this is, of course, bullshit 18:26 < fenn> then why does his promo video suck so much 18:26 < kanzure> it wasn't a promo 18:26 < kanzure> it was for the capital factory peeps 18:27 < kanzure> anyway, i need to show him some local startups or something 18:27 < kanzure> or else i'm off.. no way i'm going to spend my summer in meetings 18:27 < fenn> bacon_factor = 3 18:27 < kanzure> ? 18:27 < fenn> oh, "tribe level" 18:28 < kanzure> i (don't?) like how they completely cut me from the video 18:28 < kanzure> i filmed and everything 18:29 < fenn> rene reminds me of the boss in office space 18:29 < kanzure> since i'm a founder i should have a say in the matter 18:29 < kanzure> the iphone app works :) 18:29 < fenn> i dont get how you can spend 10 hours a day on an iphone app anyway 18:29 < kanzure> me either 18:30 < kanzure> i guess if your minimum meeting length is 2h 18:30 < kanzure> you might have multiple meetings? 18:30 < fenn> yeah that's absurd 18:30 < fenn> you should have maximum meeting lengths, not minimums! 18:30 < kanzure> 30min once a week and then gtfo of my house 18:31 < fenn> and maximum numbers of scheduled meetings 18:31 < kanzure> fool! we should have multiple simultaneously parallel meeting schedules! 18:31 < kanzure> that way we can get twice the work done!~ 18:31 < fenn> well, parallel meetings are actually better 18:32 < fenn> but there's only 4 people so meh 18:32 < kanzure> yeah, so one of the things i need to be doing is server stress testing 18:32 < kanzure> we're aiming to do stress testing for up to 10k users by the summer's end, with scalable support around that time 18:32 < kanzure> or, rather, that's my aim 18:33 < fenn> give away $100k of stuff if you click a button within the allotted time 18:34 < fenn> hah 18:34 < kanzure> ? 18:34 < fenn> would probably nuke the ISP 18:34 < kanzure> oh it's "in the cloud" 18:34 < fenn> with aftershocks from people in the wrong timezone 18:36 * fenn continues regressing 18:36 < kanzure> so uh 18:36 < kanzure> yeah.. sorry about the phone call 18:36 < fenn> ugh 18:36 < kanzure> heh 18:37 < fenn> i should mail you a stinkbomb for that 18:37 < kanzure> what a terrible technology 18:37 < kanzure> actually, mac was thinking of using this for distributed text-message instructions 18:37 < kanzure> for doing various projects in skdb 18:37 < kanzure> but frankly i don't know why anyone would follow the instructions 18:37 < kanzure> "get a pound of flour" 18:37 < kanzure> "get some icing" 18:37 < kanzure> "make a cake" 18:38 < fenn> email is better 18:38 < kanzure> nah the text messages would be sent if you are in the vicinity of, say, a grocery store 18:38 < fenn> if your phone has GPS it can read email 18:38 < kanzure> location-based bullshit 18:38 < kanzure> eh 18:38 < kanzure> yes 18:39 < kanzure> so anyway.. auction site. django stuff. 18:39 < fenn> find the hessian of d(l(theta))/dx = d(sum(y[i]*log(h(x[i]))+(1-y[i])*log(1-h(x[i])), 1, m))/dx 18:40 < kanzure> i don't wanna 18:40 < fenn> i've been doing this problem for 2 weeks :( 18:40 < fenn> :C 18:46 < klafka> oh jesus 18:47 < klafka> that seems like an annoying hessian 19:00 < fenn> it's actually not so bad, the annoying thing is it's all n dimensional which is too much for my poor brain 19:02 -!- JayDugger [~duggerj@2001:0:53aa:64c:1c77:5ff3:52c6:ef50] has joined #hplusroadmap 19:07 < JayDugger> Good evening, everyone. 19:08 < kanzure> hello 20:14 < JayDugger> Good night, everyone. 20:14 -!- JayDugger [~duggerj@2001:0:53aa:64c:1c77:5ff3:52c6:ef50] has quit [Quit: Leaving.] 20:30 -!- Noahj [~noa@ip68-230-157-203.ri.ri.cox.net] has joined #hplusroadmap 20:32 -!- Noahj1 [~noah@ip68-230-157-203.ri.ri.cox.net] has quit [Quit: Leaving.] 20:34 < kanzure> does anyone know a print-to-fax web service? 20:38 -!- shepazu [~schepers@adsl-162-145-178.rmo.bellsouth.net] has joined #hplusroadmap 21:48 -!- Overand [overand@crappy.domain.name] has quit [Ping timeout: 258 seconds] 21:50 -!- Overand [overand@crappy.domain.name] has joined #hplusroadmap 21:59 < fenn> guh.. http://fennetic.net/irc/IMG_0649.JPG 21:59 < fenn> gotta love math problems that pull in definitions you didn't know about 22:08 -!- shepazu [~schepers@adsl-162-145-178.rmo.bellsouth.net] has quit [Quit: shepazu] 22:16 < genehacker> what's that math for? 22:25 < genehacker> also found some ballscrews, any recommendations for what I should do with them? 22:41 -!- superkuh [hukrepus@unaffiliated/superkuh] has quit [Ping timeout: 252 seconds] 23:08 -!- superkuh [~hukrepus@unaffiliated/superkuh] has joined #hplusroadmap 23:59 -!- Noahj [~noa@ip68-230-157-203.ri.ri.cox.net] has quit [Quit: Leaving.]