--- Day changed Tue Dec 16 2014 00:00 < nmz787> the charges are on different locations 00:00 -!- Vutral [ss@mirbsd/special/Vutral] has quit [Ping timeout: 244 seconds] 00:00 < kragen> anyway, I think subcritical liquid CO₂ should work fine 00:00 < nmz787> and of different strengths 00:02 < kragen> no, polar bonds really do form very differently from hydrogen bonds :) 00:02 < kragen> oh speaking of solvents 00:03 < kragen> can you use dimethyl sulfoxide to take in lipids through your skin? enough to keep you alive for a while? 00:06 < kragen> apparently it gets to be neurotoxic at over 0.3mℓ/kg, which is to say, I should be able to take 30mℓ of it before I start to suffer ill effects; but I don't know how much lipids that could transport through my skin, or how long the pharmacokinetic half-life of DMSO is 00:07 -!- delinquentme [~dingo@74.61.157.78] has joined ##hplusroadmap 00:07 < nmz787> they sell it for that, yea 00:07 < kragen> but I should be able to survive on about 100-250mℓ of lipids a day until I start to get kwashiorkor 00:08 < nmz787> (they used to sell it at the food co-op i went to odd enough) 00:08 < kragen> yeah, it's an alternative medicine 00:08 < nmz787> and i was talking about ionic vs polar bonds 00:09 < kragen> oh 00:09 < kragen> well, I don't think CO₂ is going to participate in ionic or polar bonds 00:09 < kragen> and lipids aren't very good at doing that either 00:09 < nmz787> erhmm, eh, nevermind 00:10 < nmz787> i am confused :P 00:10 < nmz787> i meant non-polar 00:10 < nmz787> but was thinking you meant van-der-waals when you said hydrogen 00:10 < nmz787> anyway, it seems like it's all just the vector strength of the field 00:10 < kragen> aren't nonpolar liquids kept from boiling by van der waals hydrogen bonding? 00:11 < nmz787> probably 00:11 < nmz787> sounds about right 00:11 < nmz787> maybe something with conductivity of phonons (heat) vs vapor pressure 00:12 < nmz787> idk 00:12 < kragen> "15 percent DMSO will easily penetrate the bladder" 00:12 < nmz787> i need to go to sleep though! 00:13 < kragen> "I have used as much as 30 ml IV over a couple of hours" 00:16 < nmz787> .wik hybridoma 00:16 < yoleaux> "Hybridoma technology is a technology of forming hybrid cell lines (called hybridomas) by fusing an antibody-producing B cell with a myeloma (B cell cancer) cell that is selected for its ability to grow in tissue culture and for an absence of antibody chain synthesis." — http://en.wikipedia.org/wiki/Hybridoma 00:16 < nmz787> I think we used DMSO to meld cells together to make those ^ 00:17 < kragen> "some of these patients had received as much as 3 g/kg per day" 00:17 < nmz787> huh, this has a dir listing, with issues dating to 1949 http://www.hpl.hp.com/hpjournal/pdfs/IssuePDFs/ 00:17 < kragen> 3g/kg would probably be enough to carry enough lipids through my skin to satisfy my normal energy needs 00:17 < kragen> wget -r! 00:18 < kragen> they're only a meg each 00:18 < nmz787> "Permission to copy without fee all or part of this publication is hereby granted provided that 1)the copies are not made, used, displayed, or distributed for commercial advantage; 2) the Hewlett-Packard Company copyright notice and the title of the publication and date appear on the copies; and 3) a notice appears stating that the copying is by permission of the Hewlett-Packard Company." 00:18 < nmz787> sounds good to me! 00:19 < nmz787> this even has some lookup tables http://www.hpl.hp.com/hpjournal/pdfs/ 00:20 * nmz787 sleeps 00:20 < kragen> that's fantastic! 00:24 -!- Vutral [ss@mirbsd/special/Vutral] has joined ##hplusroadmap 00:43 -!- strangewarp_ [~strangewa@c-76-25-206-3.hsd1.co.comcast.net] has quit [Read error: Connection reset by peer] 00:43 -!- strangewarp_ [~strangewa@c-76-25-206-3.hsd1.co.comcast.net] has joined ##hplusroadmap 00:46 -!- poppingtonic [~poppingto@unaffiliated/poppingtonic] has quit [Ping timeout: 244 seconds] 00:55 -!- helleshin [~talinck@66-161-138-110.ubr1.dyn.lebanon-oh.fuse.net] has quit [Read error: Connection reset by peer] 00:56 -!- helleshin [~talinck@66-161-138-110.ubr1.dyn.lebanon-oh.fuse.net] has joined ##hplusroadmap 01:42 -!- chris_99 [~chris_99@unaffiliated/chris-99/x-3062929] has joined ##hplusroadmap 02:01 -!- pete4242 [~smuxi@boole.london.hackspace.org.uk] has joined ##hplusroadmap 02:39 -!- poppingtonic [~poppingto@197.237.56.136] has joined ##hplusroadmap 02:40 -!- poppingtonic [~poppingto@197.237.56.136] has quit [Changing host] 02:40 -!- poppingtonic [~poppingto@unaffiliated/poppingtonic] has joined ##hplusroadmap 02:41 -!- poppingtonic [~poppingto@unaffiliated/poppingtonic] has quit [Remote host closed the connection] 02:43 -!- poppingtonic [~poppingto@unaffiliated/poppingtonic] has joined ##hplusroadmap 03:14 -!- eudoxia [~eudoxia@r190-134-48-82.dialup.adsl.anteldata.net.uy] has joined ##hplusroadmap 03:18 -!- delinquentme [~dingo@74.61.157.78] has quit [Ping timeout: 250 seconds] 03:39 -!- Merovoth [~Merovoth@gateway/tor-sasl/merovoth] has quit [Ping timeout: 250 seconds] 04:12 -!- Vutral [ss@mirbsd/special/Vutral] has quit [Ping timeout: 250 seconds] 04:20 -!- ThomasEgi [~thomas@panda3d/ThomasEgi] has quit [Ping timeout: 260 seconds] 04:20 -!- Vutral [mN3eKUlbI4@mirbsd/special/Vutral] has joined ##hplusroadmap 04:25 -!- bbrittain_ [~bbrittain@172.245.212.12] has joined ##hplusroadmap 04:26 -!- ThomasEgi_ [~thomas@2a02:810b:33f:dc18:852e:ae49:5dc1:931a] has joined ##hplusroadmap 04:31 -!- Netsplit *.net <-> *.split quits: bbrittain 04:31 -!- bbrittain_ is now known as bbrittain 04:38 -!- Vutral [mN3eKUlbI4@mirbsd/special/Vutral] has quit [Ping timeout: 250 seconds] 04:48 -!- Vutral [ss@mirbsd/special/Vutral] has joined ##hplusroadmap 04:57 -!- Vutral [ss@mirbsd/special/Vutral] has quit [Ping timeout: 245 seconds] 05:06 -!- NilsHitze [~hitze@80.190.141.50] has joined ##hplusroadmap 05:10 -!- weles [~mariusz@wsip-174-78-132-9.ri.ri.cox.net] has joined ##hplusroadmap 05:11 -!- poppingtonic [~poppingto@unaffiliated/poppingtonic] has quit [Ping timeout: 244 seconds] 05:20 -!- ebowden [~ebowden@CPE-60-231-182-230.lns4.dav.bigpond.net.au] has quit [Remote host closed the connection] 05:23 -!- cluckj [~cluckj@cpe-24-92-48-18.nycap.res.rr.com] has quit [Quit: Leaving] 05:36 -!- Vutral [Q0U3VLvbsx@mirbsd/special/Vutral] has joined ##hplusroadmap 05:54 -!- eudoxia [~eudoxia@r190-134-48-82.dialup.adsl.anteldata.net.uy] has quit [Quit: Leaving] 06:05 -!- chris_99 [~chris_99@unaffiliated/chris-99/x-3062929] has quit [Remote host closed the connection] 06:06 -!- chris_99 [~chris_99@unaffiliated/chris-99/x-3062929] has joined ##hplusroadmap 06:11 < archels> does anyone know a good writeup of the GJK algorithm, and solutions for finding the supporting vectors on common shapes (box, sphere, cone etc.)? 06:11 < kanzure> too bad that these guys don't have a custom api https://www.flexport.com/ 06:13 < kanzure> i don't know a good writeup for that, sorry 06:18 < archels> 'sokay 06:18 < archels> I think I should just not be lazy and do the vector maths myself 06:20 -!- Burnin8 [~Burn@pool-71-191-174-26.washdc.fios.verizon.net] has joined ##hplusroadmap 06:27 -!- altersid [~sid@altersid.net] has joined ##hplusroadmap 06:29 -!- lichen [~lichen@c-50-139-11-6.hsd1.or.comcast.net] has joined ##hplusroadmap 06:30 -!- Netsplit *.net <-> *.split quits: poohbear, Burninate 06:32 -!- tigger_ [~tigger@unaffiliated/tigger] has joined ##hplusroadmap 07:30 -!- Viper168_ [~Viper@unaffiliated/viper168] has joined ##hplusroadmap 07:32 -!- Viper168 [~Viper@unaffiliated/viper168] has quit [Ping timeout: 272 seconds] 07:32 -!- Viper168_ is now known as Viper168 08:08 -!- NilsHitze [~hitze@80.190.141.50] has quit [Quit: NilsHitze] 08:17 -!- Merovoth [~Merovoth@gateway/tor-sasl/merovoth] has joined ##hplusroadmap 08:41 -!- augur [~augur@216-164-48-148.c3-0.slvr-ubr1.lnh-slvr.md.cable.rcn.com] has quit [Remote host closed the connection] 08:41 -!- augur [~augur@216-164-48-148.c3-0.slvr-ubr1.lnh-slvr.md.cable.rcn.com] has joined ##hplusroadmap 08:46 -!- augur [~augur@216-164-48-148.c3-0.slvr-ubr1.lnh-slvr.md.cable.rcn.com] has quit [Ping timeout: 255 seconds] 08:59 -!- nmz787_i [~nmccorkx@134.134.139.76] has joined ##hplusroadmap 09:08 -!- Vutral [Q0U3VLvbsx@mirbsd/special/Vutral] has quit [Ping timeout: 245 seconds] 09:12 -!- HEx1 [~HEx@hexwab.plus.com] has quit [Ping timeout: 255 seconds] 09:12 -!- Vutral [ss@mirbsd/special/Vutral] has joined ##hplusroadmap 09:14 -!- HEx1 [~HEx@hexwab.plus.com] has joined ##hplusroadmap 09:23 -!- ryankarason [~rak@opensource.cse.ohio-state.edu] has joined ##hplusroadmap 09:31 -!- nmz787_i [~nmccorkx@134.134.139.76] has quit [Quit: Leaving.] 09:41 -!- nmz787_i [~nmccorkx@192.55.54.42] has joined ##hplusroadmap 09:43 -!- nmz787_i1 [~nmccorkx@192.55.55.37] has joined ##hplusroadmap 09:45 -!- nmz787_i [~nmccorkx@192.55.54.42] has quit [Ping timeout: 240 seconds] 09:45 -!- ryankarason [~rak@opensource.cse.ohio-state.edu] has quit [Quit: leaving] 09:49 -!- delinquentme [~dingo@74.61.157.78] has joined ##hplusroadmap 10:00 -!- tigger_ is now known as poohbear 10:03 -!- ryankarason [~rak@opensource.cse.ohio-state.edu] has joined ##hplusroadmap 10:08 < kanzure> "to produce a synthesized light field that falls upon the retina in the same way as light reflected from real objects in your environment. Depth perception, in this system, isn’t just a trick played on the brain by showing it two slightly different images" 10:08 < kanzure> .title https://news.ycombinator.com/item?id=8758074 10:08 < yoleaux> Neal Stephenson Joins Magic Leap | Hacker News 10:09 < kanzure> "But if they're trying for something much heavier-weight, like the ability to create convincing illusions not in the form-factor of "some goggles," but rather, "a specially prepared room and table," then that's maybe a little more realistic" 10:10 -!- augur [~augur@65.205.30.226] has joined ##hplusroadmap 10:18 -!- ryankarason is now known as rk[wrk] 10:38 < nmz787_i1> are there any magicleap pics? 10:43 -!- HEx1 [~HEx@hexwab.plus.com] has quit [Ping timeout: 250 seconds] 11:02 -!- eudoxia [~eudoxia@r190-134-48-82.dialup.adsl.anteldata.net.uy] has joined ##hplusroadmap 11:24 -!- Vutral [ss@mirbsd/special/Vutral] has quit [Ping timeout: 244 seconds] 11:31 -!- Vutral [ss@mirbsd/special/Vutral] has joined ##hplusroadmap 11:34 -!- augur [~augur@65.205.30.226] has quit [Remote host closed the connection] 11:41 < fenn> wuh downloading pdfs from hp @ 17MB/s 11:41 < kanzure> colocated in your basement 11:41 < fenn> 3.2GB in 4m34s 11:42 < kanzure> blockchain description blog post thing relayed by some farmer in #swhack https://www.igvita.com/2014/05/05/minimum-viable-block-chain/ 11:43 < fenn> there are farmers in #swhack? 11:44 < fenn> first pirates, then miners, then farmers.. cyberia is shaping up to be a real civilized place 11:45 -!- poppingtonic [~poppingto@unaffiliated/poppingtonic] has joined ##hplusroadmap 11:49 -!- Vutral [ss@mirbsd/special/Vutral] has quit [Ping timeout: 245 seconds] 11:51 < kanzure> coordinating people to use the same irc channels is a difficult problem 11:51 < kanzure> and in summary i hate people 11:51 < fenn> you're welcome 11:52 < nmz787_i1> fenn: was it these? http://diyhpl.us/~nmz787/hp_journal/ 11:52 < kanzure> fenn: no, i don't mean you 11:52 < nmz787_i1> apparently wget -r added more than I thought it would 11:52 < kanzure> fenn: in this case, kragen has been avoiding #bitcoin-wizards so he decided to use #swhack to discuss bittorrent dht incentive blockchain stuff instead 11:52 < kanzure> even though i've asked him really nicely to use bitcoin-wizards and promised him lots of wonderful reasons to do so 11:52 < fenn> wtf i totally checked your directory first nmz787_i1 11:53 < fenn> ls: cannot access /home/nmz787/*hp*: No such file or directory 11:53 < kanzure> that's not how /home works 11:53 < fenn> guess i should have used find 11:54 < kanzure> you want /home/nmz787/public_html/ 11:54 -!- Vutral [ss@mirbsd/special/Vutral] has joined ##hplusroadmap 11:55 < nmz787_i1> http://www.roadtovr.com/what-we-know-about-magic-leap-rumored-500m-investment-funding/3/ 11:56 < nmz787_i1> "The projector apparatus of claim 88, wherein the support element comprises a piezoelectric collar that receives at least the first optical fiber proximate but spaced rear-wardly from the front end of the first optical fiber such that a portion of the first optical fiber proximate the front end thereof extends from the piezoelectric collar and is free to oscillate with a defined resonance frequency." 11:58 < nmz787_i1> " While Fig. 38 shows a single optical fiber 3812, some implementations may employ two or more optical fibers 3812, breaking the light up into multiple channels. In such implementations, the optical fibers 3812 may have staggered tips or beveled and polished tips to bend the light, reducing optical spacing between the channels. The optical fibers 3812 may be conveniently packaged as a ribbon cable. Suitable optics may produce a 11:58 < nmz787_i1> conjugate of the respective images produced by each of the channels." 11:58 -!- delinquentme [~dingo@74.61.157.78] has quit [Ping timeout: 272 seconds] 11:58 < nmz787_i1> "Applying control signals, e.g., via frame buffer 3828, to respective electrodes 3813 associated with the piezoelectric transducer 3814a can cause the front or proximate end 3812b of the optical fiber(s) 3812 to oscillate vibrate in a first resonance mode. A size of vibrations or amount of travel off center is controllable via the applied drive signals to obtain any of a variety of at least bi-axial patterns. Patterns may, for 11:58 < nmz787_i1> instance, include a raster scan pattern, spiral or volute scan pattern, or a Lissajous or figure 8 scan pattern." 12:00 < kanzure> fenn: i could accept a reasonable argument from you about not being in swhack at all, i didn't mean to imply i needed you to join etc 12:00 < fenn> i was curious about the farmer 12:01 < kanzure> and also, it seems counterproductive to do important discussions in a privately logged channel anyway 12:01 < nmz787_i1> "Providers such as Asahi-Kasei and Mitsubishi of Japan offer multi-core optical fibers or fused-tapered multi-core fibers. Because these materials would facilitate the possibility of scanning multiple pixels at once (as opposed to the single pixel presently scanned) , the total resolution of at the image plane can be increased for a given scan frequency, and the effective frame rate may be increased while maintaining or even 12:01 < nmz787_i1> increasing the spatial resolution of the display. Figures 7A and 7B illustrate embodiments of available multi-core optical fiber configurations (Figure 7A illustrates a cross-sectional view 50 of a multi-core configuration; Figure 7B illustrates a side view 52 of a tapered multi-core configuration) ." 12:02 < fenn> why do they still bother with [off] if it's privately logged 12:02 < kanzure> their private logger strips [off] messages :p 12:03 * fenn looks underneath for the hidden prize 12:04 < fenn> there's nothing but moldbugs and mildews under here 12:06 -!- poppingtonic [~poppingto@unaffiliated/poppingtonic] has quit [Ping timeout: 250 seconds] 12:12 < fenn> was it a dutch farmer 12:15 -!- augur [~augur@65.205.30.226] has joined ##hplusroadmap 12:46 -!- nmz787_i1 [~nmccorkx@192.55.55.37] has quit [Quit: Leaving.] 12:50 -!- delinquentme [~dingo@74.61.157.78] has joined ##hplusroadmap 12:53 -!- nmz787_i [~nmccorkx@134.134.139.74] has joined ##hplusroadmap 12:59 -!- poppingt` [~poppingto@105.231.30.201] has joined ##hplusroadmap 13:00 -!- weles [~mariusz@wsip-174-78-132-9.ri.ri.cox.net] has quit [Ping timeout: 256 seconds] 13:01 -!- poppingt` is now known as poppingtonic 13:01 -!- poppingtonic [~poppingto@105.231.30.201] has quit [Changing host] 13:01 -!- poppingtonic [~poppingto@unaffiliated/poppingtonic] has joined ##hplusroadmap 13:12 < nmz787_i> http://makrshakr.com/en/specs 13:18 < archels> they got the unit wrong for man-hours 13:20 < kanzure> what's the right unit for man-hours? 13:20 < nmz787_i> persons/hour? 13:22 < fenn> man*hours 13:23 < fenn> .c 41000 hours in years 13:23 < yoleaux> convert 41000 hours to years = 4.68 years 13:24 < archels> worse, the robots seem to spill copiously when mixing a drink 13:25 < fenn> i guess it throws the glass at the customer so they can't get in its workspace 13:25 < archels> I wonder, are they programmed for cleanup duty also? 13:25 < archels> heh yeah 13:25 < archels> self-defense programme 13:25 < fenn> safety protocol 13:26 < fenn> i find it really hard to believe that this hasn't existed in japan for at least a decade 13:26 < fenn> "but smartphones!"! 13:27 < fenn> you should be able to just tell the robot what you want 13:28 < fenn> also "add to cart" is such a bad metaphor for ordering a drink 13:29 < fenn> i hate it 13:45 < kanzure> man-hours is a poor unit anyway 13:45 < kanzure> due to variability 13:45 < kanzure> even if there was an effective emulation standard man-hours would still not work ("brain-hours" i guess) 13:45 < kanzure> because it's something ike "whatever the dimensional effectiveness of brains solving problems happen to be, multiplied by the amount of hours they are computing this function" 13:50 < pasky> bzz 13:52 < nmz787_i> this is decent http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0108097 13:52 < nmz787_i> .title 13:52 < yoleaux> PLOS ONE: The OpenPicoAmp: An Open-Source Planar Lipid Bilayer Amplifier for Hands-On Learning of Neuroscience 13:52 < kanzure> pasky: hm? 13:53 < kanzure> it can't be "some ineffable dimensional quantity multiplied by some totally effable quantity" 13:53 < kanzure> that's not how units work 13:53 -!- Vutral [ss@mirbsd/special/Vutral] has quit [Ping timeout: 244 seconds] 13:56 < pasky> chido stole my cellphone 13:56 < archels> lots of goodies here http://www.geometrictools.com/ 13:57 < kanzure> .title 13:57 < yoleaux> Geometric Tools 14:01 -!- ebowden [~ebowden@CPE-60-231-182-230.lns4.dav.bigpond.net.au] has joined ##hplusroadmap 14:04 -!- Vutral [ss@mirbsd/special/Vutral] has joined ##hplusroadmap 14:05 -!- juri_ [~juri@vpn166.sdf.org] has quit [Ping timeout: 264 seconds] 14:06 -!- juri_ [~juri@vpn166.sdf.org] has joined ##hplusroadmap 14:07 -!- augur [~augur@65.205.30.226] has quit [Remote host closed the connection] 14:10 -!- eudoxia_ [~eudoxia@r190-134-44-35.dialup.adsl.anteldata.net.uy] has joined ##hplusroadmap 14:13 -!- eudoxia [~eudoxia@r190-134-48-82.dialup.adsl.anteldata.net.uy] has quit [Ping timeout: 250 seconds] 14:19 -!- pete4242 [~smuxi@boole.london.hackspace.org.uk] has quit [Remote host closed the connection] 14:21 < kanzure> one day i will solve the irc coordination problem 14:21 < kanzure> and then i will retire 14:24 < kanzure> "isolated game theorist" problem: two game theorists know about each other but refuse to interact. and uh... both sides have asymmetric partial information.. and uh.. neither side thinks about both parties as likely game theorists. 14:26 < fenn> challenge both of them to a game of tit-tat-toe and do a mitm attack 14:27 < fenn> i see your theory and raise you a hypothesis 14:27 < kanzure> playing irc relay is not a productive use of my time (or maybe it is...) 14:28 < fenn> each game theorist writes a letter petitioning the king, who is under seige in a fortress... 14:28 < kanzure> and the letter contains an agreement about which irc channel they will use? 14:28 < fenn> but no game theorist receives the letter of any other 14:29 < nmz787_i> and this is why message boards. 14:29 < kanzure> no, this is not why message boards -_- 14:29 < fenn> BANNINATE! 14:29 < kanzure> i may have accepted "and this is why email" 14:29 < nmz787_i> well i meant the message boards that have email option 14:29 < kanzure> none of them do 14:29 * nmz787_i gets red in the face 14:30 < kanzure> none of them do email right 14:30 < nmz787_i> mailman? 14:30 < kanzure> message boards just send you email and don't let you send back 14:30 < kanzure> and most message boards don't actually reliably send you email for all threads and all posts in all conceivable subforums etc 14:31 < nmz787_i> wait isn't mailman a message board software? 14:31 < nmz787_i> or is that termed differently? 14:31 < nmz787_i> is mailman not fixable because it's so old/crappy? 14:31 < fenn> mailman is an extraterrestrial artificial intelligence designed to destroy our precious civilization 14:33 < nmz787_i> huh, it seems this board may have switched to Indian calendar? http://lists.ibiblio.org/pipermail/nafex/ 14:33 < nmz787_i> .title http://www.oregonlive.com/hg/index.ssf/2014/11/fruit_tree_disease_prevent_wit.html 14:33 < yoleaux> OSU horticulturist lists least toxic sprays and treatments for fruit trees | OregonLive.com 14:34 < nmz787_i> "Latex paint: Coat the trunks of young trees with white exterior latex paint diluted in half with water. The paint reflects strong sunlight and prevents sunburn and winter burn that can cause tissue damage and lead to cracks, a favorite place for pests to overwinter and cause substantial winter damage." 14:35 -!- augur [~augur@65.205.30.226] has joined ##hplusroadmap 14:37 < nmz787_i> arduino just larger than a U.S. quarter-dollar http://www.adafruit.com/gemma 14:37 < kragen> is it washable? 14:37 < nmz787_i> $8 not bad either, not from ebay/aliexpress 14:37 < nmz787_i> doesn't seem like kragen 14:37 < nmz787_i> maybe with some silicone it could be made so 14:38 < nmz787_i> brb 14:38 -!- nmz787_i [~nmccorkx@134.134.139.74] has left ##hplusroadmap [] 14:40 < fenn> it's not the washing it's the drying that causes static 14:40 < fenn> washing also breaks solder joints tho 14:41 < fenn> can sew a dense felt strain relief backing pad around it 14:41 < fenn> you can't wash it with the battery in unless you want corroded terminals 14:42 < kanzure> mailman is a mailing list implementation 14:42 < kragen> you can line-dry your clothes 14:42 < kragen> mailing lists are a message board implementation 14:42 < kanzure> most people do not consider mailman to be a forum or message board because there's no web interface to post messages 14:42 < kanzure> most people who say "forum" mean junk like phpbb 14:46 < fenn> mailman is a one-to-many email relay with web-based archive functionality 14:47 < fenn> also it routes moderation to the moderator and handles subscription mostly automatically 14:48 -!- nmz787_i [~nmccorkx@134.134.139.74] has joined ##hplusroadmap 14:48 < fenn> mailman could easily have a web interface to post messages, but it would still be an email relay 14:49 < kanzure> and then you could call it sympa 14:49 < fenn> sure whatever 14:50 < kanzure> damn sympa's already taken 14:50 < fenn> you could call it mailwwwman 14:50 < kanzure> "notalking" 14:51 < fenn> or femailwwwmyn if you're a bitch 14:51 < fenn> i think the pie is rotting my brain 14:51 < kanzure> you have to put "bbs" in the name or else china will never use it 14:51 < fenn> my brain is a distributed hash table 14:52 < fenn> i can't tell what's a collision and what's a coincidence 14:52 < fenn> .wik sybil 14:52 < yoleaux> "Sibyls were oracular women believed to possess prophetic powers in ancient Greece." — http://en.wikipedia.org/wiki/Sybil 14:52 < kanzure> .wik sybil attack 14:52 < yoleaux> "The Sybil attack in computer security is an attack wherein a reputation system is subverted by forging identities in peer-to-peer networks. It is named after the subject of the book Sybil, a case study of a woman diagnosed with dissociative identity disorder. The name was suggested in or before 2002 by Brian Zill at Microsoft Research." — http://en.wikipedia.org/wiki/Sybil_attack 14:54 -!- ebowden [~ebowden@CPE-60-231-182-230.lns4.dav.bigpond.net.au] has quit [Remote host closed the connection] 14:54 < fenn> i wish it weren't named "sybil" - dissociative identity disorder is similar to a lot of problems in DHT's under DoS attack 14:54 < fenn> er, s/DHT/distributed consensus/ 14:54 < kanzure> i wonder why sybil-style things aren't immediately obvious to everyone 14:55 < fenn> because 20/20 hindsight 14:56 < kanzure> you can know upfront that things are spoofable 14:56 < fenn> i wonder why 10kHz positive bias sine wave DC power isn't obvious to everyone 14:57 < kanzure> does that have a spoofing problem? 14:57 < fenn> no 14:57 < kanzure> you'll have to help me with the analogy 14:57 < fenn> uh.. lots of things are obvious improvements over what we've got 14:57 < fenn> but people are stupid and there are entrenched interests that fight against change 14:57 < kragen> fenn: Lawrence Detweiler called it "pseudospoofing" but because he was a paranoid loon people didn't adopt that terminology 14:57 < kanzure> sybil attacks do not have easy solutions at all 14:57 < kanzure> or obvious solutions 14:58 < kanzure> but their presence should be obvious 14:58 < kanzure> *the presence of the sybil problems or sybil attacks 14:58 < kragen> 10kHz sounds like a terrible idea, fenn. why would you want that? 15:00 < fenn> smaller transformers, less power factor conversion for the substation to do, less chance of electric shock, easy to rectify (it's DC) 15:00 < kragen> why not 40kHz? 15:00 < fenn> no particular reason 15:01 < kragen> 10kHz is a really annoying sound 15:01 < fenn> ok 40KHz then 15:01 < kragen> you lose AC motors though 15:01 < kragen> well, big ones 15:01 < fenn> at a certain point the skin effect starts making your wires less effective conductors because the center of the wire isn't conducting anything 15:02 < kragen> yes, long-distance transmission lines already suffer significantly from this, which is the reason for investigating HVDC and also the reason for Litz wire and for multiple parallel conductors a few centimeters apart strung from the transmission towers 15:02 < fenn> also transistor switching losses if you have to generate the sine wave from flat DC or some other format 15:03 < kragen> yes; will that be a big deal in the kHz range? 15:03 < fenn> switching losses are linearly proportional to switching speed in this range 15:03 < fenn> not a big deal 15:04 < fenn> most of the loss would happen in long distance transmission line anyway 15:05 < fenn> most big AC motors are three phase anyway 15:05 < fenn> they should be controlled by a VFD 15:06 < fenn> if you really want to hardwire your three phase motor to the utility lines, maybe something based on beat frequencies could be cooked up 15:06 < kragen> nowadays many of them are, to a surprising extent 15:06 < kragen> .t https://twitter.com/kragen/status/544988545338052608 15:06 < yoleaux> kragen: Sorry, I don't know a timezone by that name. 15:06 < kragen> .tw https://twitter.com/kragen/status/544988545338052608 15:06 < yoleaux> https://www.physicsforums.com/threads/what-to-do-with-a-washing-machine-motor.550058/#post-3850658 Interesting, new washing machine motors (¼–¾HP) use a three-phase motor controlled by a VFD? (Or a stepper?) AWESOME (@kragen) 15:07 < fenn> fischer paykel washing machines have these giant stepper motors that are directly linked to the wash drum 15:08 < kragen> I thought stepper motors were somehow grievously inefficient? 15:08 < fenn> i've sort of lost track of the difference between a stepper and a ac servo 15:08 < fenn> something about the shape of the EMF waveform being trapezoidal or sinusoidal due to magnetic reluctance from the shape of the rotor/stator 15:09 < fenn> (steppers are trapezoidal, ac servos are sinusoidal) 15:09 < kragen> I see 15:09 < fenn> this makes steppers easier to drive by simply turning a transistor on, since the "impedance" matches 15:12 < fenn> sorry for the tangent on electrical power formats 15:12 < fenn> i was just complaining about how everything's obvious 15:13 < fenn> also everything's totally broken 15:18 -!- delinquentme [~dingo@74.61.157.78] has quit [Ping timeout: 255 seconds] 15:19 -!- nmz787_i [~nmccorkx@134.134.139.74] has quit [Ping timeout: 244 seconds] 15:23 -!- augur [~augur@65.205.30.226] has quit [Remote host closed the connection] 15:25 < kanzure> "In contrast to most recent work in peer-to-peer software, our design is based on mathematical proofs of security rather than hand-waving." 15:25 < kanzure> http://szabo.best.vwh.net/securetitle.html 15:33 -!- Viper168 [~Viper@unaffiliated/viper168] has quit [Ping timeout: 245 seconds] 15:35 -!- ebowden [~ebowden@CPE-60-231-182-230.lns4.dav.bigpond.net.au] has joined ##hplusroadmap 15:41 -!- Viper168 [~Viper@unaffiliated/viper168] has joined ##hplusroadmap 16:02 -!- strangewarp_ [~strangewa@c-76-25-206-3.hsd1.co.comcast.net] has quit [Ping timeout: 265 seconds] 16:03 -!- delinquentme [~dingo@74.61.157.78] has joined ##hplusroadmap 16:06 < fenn> insufficiently skeptical title but interesting nevertheless http://news.sky.com/story/1393058/mars-curiosity-rover-finds-signs-of-life 16:07 < fenn> "Plumes of methane have been identified on the planet in the past, but none as sudden as the "venting" measured at Gale Crater." 16:07 < kanzure> do these robots have microscopes? 16:08 < fenn> curiosity has a bunch of stuff 16:08 < kanzure> i remember lots of mass-spec-style equipment 16:08 < nsh> fenn, i thought that, then i thought "sign of life" is still a sign of life even if there's no life 16:08 < nsh> it just reads more positively at first glance for some reason 16:09 < nsh> signs consistent with life would be more precise i guess 16:10 < kanzure> "signs not totally incompatible with the presence or non-presence of lifelike things" 16:11 < kanzure> a thing i still like: http://en.wikipedia.org/wiki/Hypothetical_types_of_biochemistry 16:11 < fenn> it has a GC/MS and "mars hand lens imager" with resolution of 15 microns in white and ultraviolet 16:11 < kanzure> oh good 16:11 < fenn> uh, white/UV illumination and "true color" imager 16:12 < fenn> also it can poke at stuff 16:12 < fenn> see if it squirms 16:13 < fenn> nsh: it's tantamount to shouting "curiosity discovers life on mars!!!" that's all 16:13 < fenn> run through the journalism game of telephone a few times and i bet you'll see that 16:13 < nsh> yeah, but i'm suggesting that's a failure of the reader more than the headline editor 16:14 < nsh> you are right though 16:14 < fenn> if it turns out to be life this conversation will be moot :P 16:14 * nsh smiles 16:14 < kanzure> this conversation will be had millions of times over, until the end of time 16:14 < kanzure> for each planet or astronomical object 16:15 < fenn> party pooper 16:15 < nsh> i hope it's something that's clearly not alive but clearly not not alive 16:15 < kanzure> plus there will be crap like "nah dawg after uncle elon everything just was contaminated with earth shit" 16:15 < nsh> and conceptually fucks up everything 16:15 < fenn> this is the first time life will have been discovered on another planet, that only happens once in earth history 16:15 < nsh> so does this 16:15 < fenn> nsh what? 16:16 < fenn> not p but clearly not not p 16:16 < nsh> i mean, i'm unsettled by the assumption that we'll definitely be able to say mars has life or doesn't have life 16:16 < nsh> i don't think we understand what we mean by life well enough to be certain of that discernability 16:16 < fenn> meh it will probably strongly resemble earth life if there's anything there 16:17 < fenn> as in, DNA, bacteria/archaea, genetic sequences in common 16:17 < nsh> yeah, probably. would be fun if it kicked us in the balls though 16:17 < kanzure> suppose that some terraforming process is initiated (perhaps by accident, e.g. carrying bacteria to the planet, or something), what's the minimum amount of time for there to be an average of 1 cell per 10e16 grains of sand if they have a doubling time of 24 hours? 16:17 < kanzure> s/sand/surface particles 16:17 < kanzure> .wa surface area of mars 16:17 < yoleaux> Mars: surface area: 1.4×10⁸ km² (square kilometers); Unit conversions: 1.4×10¹⁴ m² (square meters); 56 million mi² (square miles); 1.6×10¹⁵ ft² (square feet); Comparisons as area: ~0.42 × ocean area on the earth (~132 million mi²); ~0.97 × land area on the earth (1.4894×10⁸ km²); ~4 × largest extent of the British Empire (~36 Mm²); Corresponding quantities: Radius r of a circle from A = pir²:: 6800 km ( … 16:17 < yoleaux> kilometers): 4200 miles 16:18 < kanzure> .wa surface area of united states 16:18 < yoleaux> United States: total area: 9.631×10⁶ km² (square kilometers) (world rank: 3rd); Unit conversions: 9.631×10¹² m² (square meters); 3.719 million mi² (square miles); 1.037×10¹⁴ ft² (square feet); Comparisons as area: ~0.96 × total area of Canada (9.98467×10⁶ km²); ~1.004 × total area of China (9.59696×10⁶ km²); ~largest extent of the Roman Empire (~9 Mm²) 16:18 < fenn> kanzure just go read red mars by kim stanley robinson 16:18 < kanzure> anywho if some terraforming-compatible critter ends up on mars it may be really difficult to figure out whether we put that there 16:19 < fenn> yes there will be endless denial from ... someone 16:19 < fenn> "it doesn't say anything about mars in the bible!" 16:19 < kanzure> well what if we really did terraform the planet 16:19 < fenn> well what if mars really did areoform earth 16:22 < fenn> it will be hard to do a good analysis without DNA sequencing, but before launching a big sample return mission they will want better evidence than just methane spikes 16:24 -!- rayston [~rayston@ip68-106-242-42.ph.ph.cox.net] has joined ##hplusroadmap 16:24 < fenn> it's kinda ridiculous when you look at the actual distances covered by the rovers, and imagine trying to find life on earth in a desert and only traveling 4 km 16:26 < kanzure> but fly-overs? 16:26 < kanzure> and http://www.google.com/mars/ 16:27 < kanzure> fly-overs over earth could probably detect bacteria 16:27 < kanzure> various dirts 16:28 < fenn> yes there are probably not herds of wild tfoof galloping around 16:31 < fenn> satellites can't detect bacteria under the soil 16:32 < fenn> there have been obvious cases of water runoff in before/after images, but not any actual pictures of water on the surface (which might contain pigmented microbes that could be seen) 16:38 < fenn> what a weird page http://www.staff.science.uu.nl/~hooft101/technoz.html 16:38 < kanzure> hehe hooft is still alive? 16:40 < fenn> reminds me of "after man" by dougal dixon 16:42 < fenn> "Eventually and inevitably, squids will land on the Moon." 16:42 < fenn> scientists say squids will land on moon 16:43 < fenn> SQUIDS ON MOON details at 7 16:43 < fenn> Do Moon Squids Threaten Humanity? 16:44 < fenn> Threat of Attack by Squids at All-Time High 16:44 < kanzure> i'd be more worried about moon octopus but that's just me 16:45 < fenn> well it made more sense in context http://www.staff.science.uu.nl/~hooft101/extratr.html 16:47 -!- strangewarp [~strangewa@c-76-25-206-3.hsd1.co.comcast.net] has joined ##hplusroadmap 16:50 -!- bbrittain [~bbrittain@172.245.212.12] has quit [Ping timeout: 244 seconds] 16:51 -!- bbrittain [~bbrittain@172.245.212.12] has joined ##hplusroadmap 16:55 -!- delinquentme [~dingo@74.61.157.78] has quit [Read error: Connection reset by peer] 16:56 -!- delinquentme [~dingo@74.61.157.78] has joined ##hplusroadmap 17:12 -!- eudoxia_ [~eudoxia@r190-134-44-35.dialup.adsl.anteldata.net.uy] has quit [Quit: Leaving] 17:34 -!- yashgaroth [~ffffff@2606:6000:cb85:6a00:3dad:ea12:5c96:d8ab] has joined ##hplusroadmap 17:46 -!- lichen [~lichen@c-50-139-11-6.hsd1.or.comcast.net] has quit [Quit: Lost terminal] 17:50 < kanzure> paperbot: http://rstb.royalsocietypublishing.org/content/368/1622/20120266 17:50 < kanzure> .title 17:50 < paperbot> http://libgen.org/scimag/get.php?doi=10.1098%2Frstb.2012.0266 17:50 < yoleaux> Why did eukaryotes evolve only once? Genetic and energetic aspects of conflict and conflict mediation | Philosophical Transactions of the Royal Society B: Biological Sciences 17:56 -!- chris_99 [~chris_99@unaffiliated/chris-99/x-3062929] has quit [Quit: Ex-Chat] 18:01 -!- delinquentme [~dingo@74.61.157.78] has quit [Ping timeout: 264 seconds] 18:23 -!- Vutral [ss@mirbsd/special/Vutral] has quit [Ping timeout: 240 seconds] 18:26 -!- Vutral [4Dt0pTI5qd@mirbsd/special/Vutral] has joined ##hplusroadmap 18:42 -!- delinquentme [~dingo@74.61.157.78] has joined ##hplusroadmap 19:41 < kanzure> http://www.theonion.com/articles/archaeological-dig-uncovers-ancient-race-of-skelet,1268/ 19:46 -!- ebowden [~ebowden@CPE-60-231-182-230.lns4.dav.bigpond.net.au] has quit [Remote host closed the connection] 19:48 -!- augur [~augur@c-71-57-177-235.hsd1.fl.comcast.net] has joined ##hplusroadmap 20:31 -!- yashgaroth [~ffffff@2606:6000:cb85:6a00:3dad:ea12:5c96:d8ab] has quit [Quit: Leaving] 20:50 -!- poppingtonic [~poppingto@unaffiliated/poppingtonic] has quit [Read error: Connection reset by peer] 21:06 -!- juri_ [~juri@vpn166.sdf.org] has quit [Ping timeout: 245 seconds] 21:13 < jrayhawk> the whole alphaproteobacteria origins concept seems so low-probability that i am surprised it's even in question why only one species won the race to it 21:14 -!- juri_ [~juri@vpn166.sdf.org] has joined ##hplusroadmap 21:35 < kanzure> http://www.meme.com.au/papers/Islets/Islets.html 22:19 -!- drewbot [~cinch@ec2-54-198-16-125.compute-1.amazonaws.com] has quit [Remote host closed the connection] 22:19 -!- drewbot [~cinch@ec2-54-221-179-127.compute-1.amazonaws.com] has joined ##hplusroadmap 22:23 -!- rayston [~rayston@ip68-106-242-42.ph.ph.cox.net] has quit [Ping timeout: 245 seconds] 22:42 -!- poppingtonic [~poppingto@unaffiliated/poppingtonic] has joined ##hplusroadmap 22:53 -!- poppingt` [~poppingto@197.237.56.136] has joined ##hplusroadmap 22:54 -!- poppingtonic [~poppingto@unaffiliated/poppingtonic] has quit [Ping timeout: 264 seconds] 23:42 -!- Viper168_ [~Viper@unaffiliated/viper168] has joined ##hplusroadmap 23:44 -!- Viper168 [~Viper@unaffiliated/viper168] has quit [Ping timeout: 272 seconds] 23:54 -!- strangewarp [~strangewa@c-76-25-206-3.hsd1.co.comcast.net] has quit [Ping timeout: 245 seconds]