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| fenn | kanzure does your laptop make this noise during an attack? http://veekun.com/dex/media/pokemon/cries/26.ogg | 04:36 |
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| kanzure | don't think so | 07:20 |
| fenn | well it should | 07:27 |
| gnusha | https://secure.diyhpl.us/cgit/diyhpluswiki/commit/?id=64349a25 Bryan Bishop: link to ze unrevised floor transcript >> http://diyhpl.us/diyhpluswiki/transcripts/andreas-antonopolous-canada-senate-bitcoin/ | 07:28 |
| kanzure | http://bravenewcoin.com/news/unrevised-floor-transcript/ | 07:28 |
| kanzure | man i hate when nick szabo writes like this http://unenumerated.blogspot.com.au/2014/10/transportation-divergence-and.html | 07:31 |
| fenn | you mean writes like a historian? | 07:32 |
| fenn | or anthropologist or something | 07:32 |
| kanzure | essayist | 07:35 |
| kanzure | fenn: give me things to look at or read | 07:42 |
| fenn | wondering if this company ever accomplished anything useful: "Teknowledge’s work in this area focuses on providing knowledge-based tools, applications, and ontologies (knowledge structures) that allow computers to aid humans in interpreting the torrent of data coming at them. Teknowledge is advancing techniques for creating large knowledge systems that can apply problem solving knowledge | 07:48 |
| fenn | harvested from humans about how to utilize the information in a database or an incoming stream of information." | 07:48 |
| fenn | "Teknowledge’s projects often involve software wrappers and models for uniform access to heterogeneous software," etc etc http://www.reuters.com/finance/stocks/companyProfile?symbol=TEKCQ.PK | 07:49 |
| fenn | i don't have very many tabs open and they dont seem like stuff you're interested in | 07:50 |
| fenn | .title http://www.openbeacon.org/ | 07:50 |
| yoleaux | OpenBeacon Active RFID Project - OpenBeacon | 07:50 |
| fenn | this guy has some interesting electronics/sdr projects http://gnumonks.org/users/laforge/ | 07:51 |
| kanzure | http://josephpcohen.com/w/academic-torrent-download-tool-atdown/ | 07:52 |
| fenn | this sorta hurts to read because he's trying so hard to explain the UFO sighting phenomena in practical engineering terms http://www.lightcrafttechnologies.com/rpi_www/technical/ | 07:53 |
| fenn | i am wondering if a https://en.wikipedia.org/wiki/Zeeman_slower can be used in reverse as a solar pumped laser ion propulsion system | 07:54 |
| fenn | likely the conversion efficiency is too low | 07:55 |
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| kanzure | did you see http://diyhpl.us/~bryan/papers2/space/Orbiting%20rainbows%20-%20optical%20manipulation%20of%20aerosols%20and%20the%20beginnings%20of%20future%20space%20construction%20-%20NASA.pdf | 07:57 |
| fenn | oh i meant to read that | 07:58 |
| kanzure | also an index from "niacs" http://www.nasa.gov/content/funded-studies/#.VEEuslRDs-P | 07:59 |
| fenn | supposedly lockheed martin is working on a truck-mounted fusion reactor | 08:00 |
| kanzure | did you see the nuclear battery stuff for-consumer-electronics | 08:00 |
| kanzure | hm http://www.whitehouse.gov/blog/2014/10/14/bootstrapping-solar-system-civilization | 08:01 |
| fenn | that's been around since the 1960's, what's new about it? | 08:02 |
| fenn | the betavoltaic cell i mean | 08:02 |
| kanzure | what do you mean by around | 08:02 |
| fenn | nm this is totally different | 08:03 |
| fenn | why the fuck do they call it a "battery" - it's a thermal conversion reactor that fits in a shipping container | 08:04 |
| kanzure | lockheed? | 08:04 |
| fenn | upower | 08:04 |
| kanzure | it requires an entire shipping container? | 08:04 |
| fenn | is there any real info besides just this? http://www.upowertech.com/p/technology.html | 08:04 |
| kanzure | there was some comments from people involved, https://news.ycombinator.com/item?id=8195223 | 08:05 |
| fenn | also they don't say whether that "MW" is thermal or electrical | 08:05 |
| fenn | is this the thing bill gates was funding? | 08:05 |
| fenn | nm that's "TerraPower" https://en.wikipedia.org/wiki/Traveling_wave_reactor | 08:06 |
| fenn | "Betavoltaics are generators of electrical current, in effect a form of battery, which use energy from a radioactive source emitting beta particles (electrons). A common source used is the hydrogen isotope, tritium. Unlike most nuclear power sources, which use nuclear radiation to generate heat, which then is used to generate electricity (thermoelectric and thermionic sources), betavoltaics use a | 08:08 |
| fenn | non-thermal conversion process; converting the electron-hole pairs produced by the ionization trail of beta particles traversing a semiconductor." | 08:08 |
| fenn | you can also use high voltage linear accelerator grids | 08:08 |
| fenn | i.e. if you have an isotope that emits 33keV beta particles and you capture them with a 32kV grid it's approx 97% efficient | 08:10 |
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| fenn | semiconductors are more rugged i guess | 08:10 |
| fenn | this is a cool idea; beta-pumped laser https://en.wikipedia.org/wiki/Optoelectric_nuclear_battery | 08:16 |
| fenn | i'm not so into the idea of a finely powdered radioactive dust in a high pressure gas container tho | 08:16 |
| fenn | there are other lasing media that wouldn't have such a high risk of containment loss | 08:17 |
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| kjskjskjs | they did say whether the MW were thermal or electrical | 08:37 |
| kjskjskjs | I think they said it was 7MW thermal, 2MW electrical | 08:38 |
| kjskjskjs | wrt Szabo's essay, I think the "network value is O(N²)" thing has been roundly debunked | 08:41 |
| kjskjskjs | O( | 08:41 |
| kjskjskjs | O(N log N) seems to be a much better estimate | 08:41 |
| fenn | paperbot: http://www.nature.com/nature/journal/v486/n7403/full/486323b.html | 08:42 |
| paperbot | http://libgen.org/scimag/get.php?doi=10.1038%2F486323b | 08:43 |
| fenn | kjskjskjs: supposedly 7MW thermal 2MW electrical | 08:43 |
| * fenn reads the next line.. | 08:43 | |
| fenn | come on paperbot | 08:43 |
| kjskjskjs | heh | 08:44 |
| kanzure | paperbot: http://www.nature.com/nature/journal/v486/n7403/pdf/486323b.pdf | 08:45 |
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| kanzure | ~fartz~ | 08:45 |
| paperbot | http://diyhpl.us/~bryan/papers2/paperbot/faf8b2b3a9bee17e5611010ec6ea0c93.txt | 08:45 |
| kanzure | <meta name="access" content="No" /> | 08:46 |
| kjskjskjs | ? | 08:46 |
| kanzure | 1) libgen link was to wrong document | 08:46 |
| kanzure | 2) paperbot has no access anyway | 08:46 |
| kjskjskjs | this optoelectronic nuclear battery thing sounds like you could scale it down almost arbitrarily | 08:49 |
| kjskjskjs | well, at least down to under a millimeter | 08:49 |
| kjskjskjs | that might reduce the risk | 08:50 |
| fenn | is this accurate? "One key aspect people negate is that, while a radioactive element might have a half life of 10,000 years, if you concentrate it and have it close enough, the nuclear reactions within it decrease the masses half life to a few years." | 08:51 |
| fenn | kjskjskjs: those tritium keychain thingies work on a similar principle | 08:52 |
| kjskjskjs | yeah | 08:53 |
| kjskjskjs | it's certainly true that you can bombard nuclei with neutrons to break them down | 08:53 |
| fenn | this is in the context of "different ways to decay nuclear waste" | 08:54 |
| kjskjskjs | whether concentrating a radionuclide is sufficient to do that depends on several factors | 08:54 |
| kjskjskjs | including whether it emits neutrons at all in its normal decay, the energy of those neutrons, and the half-life of the nucleus you get when you add a neutron to it | 08:57 |
| kjskjskjs | and you can add neutron moderators and other radionuclides and stuff to improve the situation | 08:58 |
| fenn | i am curious about minimum viable nuclear reactor sizes.. i've seen some photos from the 1950s of research reactors the size of a dorm fridge | 08:58 |
| fenn | considering advances in neutron generation since then it seems the "initiator" part can add a significantly larger fraction to the overall reaction, which should make the whole system much safer and possibly eliminate the need for any moving control elements | 08:59 |
| kjskjskjs | well, the critical mass of plutonium with a neutron reflector is 10 kg, which is a sphere of 10 cm diameter | 08:59 |
| kjskjskjs | but you can decrease that further by feeding it neutrons from, say, tritium | 09:00 |
| kjskjskjs | Fat Man used 6.2 kg of plutonium. do the same thing in a slow and controlled fashion and you get a power source instead of a bomb | 09:01 |
| fenn | sure but you have to get the tritium from somewhere | 09:01 |
| fenn | same for plutonium | 09:02 |
| kjskjskjs | then there's the question of how much space you need for coolants, heat engines, etc. I think you could probably build a handheld plutonium fission reactor | 09:02 |
| kjskjskjs | yeah, but that's fuel | 09:02 |
| fenn | tritium and plutonium are not naturally occurring elements | 09:02 |
| kjskjskjs | indeed | 09:02 |
| kjskjskjs | but are you interested in a minimal viable nuclear reactor size, like to power your car with, or are you interested in a minimal viable nuclear self-replicator? | 09:03 |
| fenn | ideally it would be buildable without the cooperation of the current "nuclear club" governments | 09:04 |
| kanzure | what was that positron emission tomography radioisotope handheld generator thingy? | 09:05 |
| kanzure | was that paper found | 09:05 |
| fenn | i'm not sure what "self-replicator" means in this context | 09:05 |
| fenn | i'd like to take some dirt and burn it | 09:06 |
| kjskjskjs | I mean an industrial infrastructure capable of doing that | 09:07 |
| kjskjskjs | supplying all of its own needs | 09:07 |
| kjskjskjs | from dirt | 09:07 |
| fenn | ok well that's a whole ball of worms | 09:07 |
| fenn | beyond the scope of just building a thing | 09:08 |
| kjskjskjs | but if you're okay with taking everything but the fuel from the existing industrial infrastructure you might be okay | 09:08 |
| fenn | i assume the fuel is obtainable from some catalog as well | 09:08 |
| kjskjskjs | not without cooperation from the nuclear club | 09:08 |
| kjskjskjs | you might remember a hooraw a few years back about maraging-steel centrifuge tubes | 09:08 |
| kjskjskjs | (as well) | 09:08 |
| fenn | i ordered some stuff from "chengdu nuclear" but it never arrived.. :( | 09:08 |
| kanzure | "a nuclear battery for mems devices" http://homepages.cae.wisc.edu/~blanchar/res/DE-FG07-99ID13781-Final-Report.pdf | 09:09 |
| kjskjskjs | right now it might be a better bet to do solar instead | 09:09 |
| fenn | that only makes sense for stationary terrestrial applications where there's sun | 09:10 |
| fenn | also you need to own land or at least have permission | 09:10 |
| fenn | for various values of "need to" | 09:10 |
| kjskjskjs | stationary terrestrial applications such as smelting thorium? | 09:10 |
| fenn | Thorium Dioxide - ThO2 - 1 gram collectable element compound sample | 09:12 |
| fenn | $23.00 | 09:12 |
| fenn | Buy It Now | 09:12 |
| kanzure | .title http://imgur.com/a/tS9hM | 09:13 |
| yoleaux | Bees, Nature's 3D Printer - Imgur | 09:13 |
| superkuh | Nuclear boyscout style? | 09:13 |
| kjskjskjs | I think post nuclear boyscout this kind of thing got a lot harder | 09:13 |
| kjskjskjs | equatorial desert is pretty cheap at the moment | 09:14 |
| kjskjskjs | but there's no way to conceal building a big solar farm | 09:14 |
| kjskjskjs | not only Landsat but also the Bedouins are going to notice | 09:14 |
| kanzure | oh... "Evidently, these images come from an advert for Dewars honey-whiskey. https://www.youtube.com/watch?v=VwfVFRPCVZY Many *MANY* bee-keepers have commented that they think it's a fake because the bees would have built multiple vertical sheets to fill the mold - they wouldn't follow the surface topography because that would make for variable sized cells, which would be no good for hatching larvae, which is why they make the cells in the ... | 09:15 |
| kjskjskjs | so you need a strategy for dealing with governments | 09:15 |
| kanzure | ... first place. I also saw a couple of posts from a guy who claims to have been on the special-effects team for the advert - he said that it was all faked...of course we can't know for sure that he wasn't also a fake...but it fits with what the bee keepers are saying." | 09:15 |
| kanzure | "The base was conventionally 3d printed in wax, with a 'light texture' for the bees to build on. So, the comb structure was pre-directed and the bees 'simply' finished the cells off by instinct." | 09:15 |
| kjskjskjs | wax 3-D printing seems increasingly interesting to me | 09:15 |
| fenn | western sahara (southern morocco) is totally uninhabited | 09:16 |
| superkuh | You don't really need the americium or beryllium. A small dense plasma focus can be built as the neutron source. | 09:16 |
| fenn | it also has beach access :) | 09:16 |
| fenn | superkuh: do the neutrons from deuterium fusion have enough energy to initiate a fission reaction? | 09:17 |
| kjskjskjs | noplace is totally uninhabited | 09:18 |
| kjskjskjs | not even the rub' al-khali | 09:18 |
| kjskjskjs | just no permanent habitations | 09:19 |
| superkuh | Yes, fenn. | 09:19 |
| fenn | hmm. "widespread harmattan haze exists 60% of time, often severely restricting visibility" not so good for solar | 09:20 |
| kjskjskjs | fenn: IIRC lower-energy neutrons are better for initiating at least plutonium and U-235 fission | 09:20 |
| superkuh | That is untrue. | 09:21 |
| kjskjskjs | the places that seem most interesting to me for this are most of the sahara, the atacama, and parts of the gobi | 09:21 |
| superkuh | Reference, http://en.wikipedia.org/wiki/Boosted_fission_weapon | 09:22 |
| superkuh | "Taking these factors into account, the maximum alpha value for D-T fusion neutrons in plutonium (density 19.8 g/cm³) is some 8 times higher than for an average fission neutron (2.5×109 vs 3×108)." | 09:22 |
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| superkuh | There are desktop scale dense plasma focus devices with per pulse energies of just 0.1 J that achieve hundreds of neutrons per pulse at 20 Hz. | 09:23 |
| FourFire | kjskjskjs, buy desert in australia instead? | 09:25 |
| superkuh | I've spent the last ~5 hours tracking down the source of the extremely cheap ($10) pulse capacitors used in http://scitation.aip.org/content/aip/journal/rsi/84/6/10.1063/1.4808309 . | 09:26 |
| FourFire | or is african desert *especially* cheap? | 09:26 |
| superkuh | http://www.elciar.in/power_electric_capacitors.html "MKP - 52" | 09:26 |
| fenn | it may have been a surplus thing | 09:27 |
| kjskjskjs | superkuh: https://en.wikipedia.org/wiki/Neutron_moderator only mentions U-235, not plutonium | 09:27 |
| kjskjskjs | the boosted fission page you link to does indeed indicate that the opposite is true for Pu | 09:28 |
| FourFire | Good on you all BTW, it's inspiring to read people working to make real things happen | 09:28 |
| kjskjskjs | FourFire: I am not currently attempting to build desert semiconductor fabrication plants | 09:29 |
| kjskjskjs | or solar energy plants | 09:29 |
| FourFire | yes, but you're laying out realistic plans for it | 09:29 |
| kanzure | go away | 09:29 |
| kjskjskjs | kanzure: be nice | 09:30 |
| FourFire | Ok :/ | 09:30 |
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| kjskjskjs | you have a good point about Australia | 09:30 |
| kjskjskjs | in the sense that land tenure in Australia is a lot more secure | 09:30 |
| fenn | also they speak english | 09:30 |
| kjskjskjs | yeah, but they're also already part of Five Eyes | 09:31 |
| kjskjskjs | so they have little to gain from an uprooting of the world order | 09:31 |
| fenn | and the illuminati conspiracy | 09:31 |
| kjskjskjs | and much to lose | 09:31 |
| fenn | but.. but.. what about "manna" | 09:31 |
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| fenn | http://marshallbrain.com/manna5.htm | 09:33 |
| heath | .title http://www.foresight.org/nanodot/?p=6273 | 09:37 |
| yoleaux | the Foresight Institute » Blog Archive » Scaffolded DNA origami improvements advance DNA nanotechnology | 09:38 |
| heath | "The 350-fold drop in the cost of synthesizing DNA staples was perhaps more surprising." | 09:38 |
| heath | paperbot: http://pubs.acs.org/doi/abs/10.1021/nl502626s | 09:38 |
| paperbot | http://libgen.org/scimag/get.php?doi=10.1021%2Fnl502626s | 09:38 |
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| heath | .title http://arxiv.org/abs/1409.7489 | 09:44 |
| yoleaux | [1409.7489] Recommending Investors for Crowdfunding Projects | 09:44 |
| heath | nanomanufacturing grants: https://www.nsf.gov/funding/pgm_summ.jsp?pims_id=13347&org=NSF | 09:46 |
| heath | past two links all coming from the foresight newsletter | 09:47 |
| heath | ...for anyone interested | 09:47 |
| heath | .title http://phys.org/news/2014-08-breakthrough-imaging-gold-nanoparticles-atomic.html | 09:48 |
| yoleaux | A breakthrough in imaging gold nanoparticles to atomic resolution by electron microscopy | 09:48 |
| nmz787_i | superkuh: what about microwave oven caps? | 09:49 |
| nmz787_i | kanzure: was the list you posted stripped, or just the full list of teams that were working? | 09:50 |
| superkuh | If you had enough. I think it was Steve Conner who made up a parallel bank of them and pushed them to 8 kV DC in pulse discharge service (2.1 KV rated AC). | 09:50 |
| superkuh | But they have internal bleeder resistors. | 09:51 |
| nmz787_i | hmm | 09:51 |
| nmz787_i | I wonder if the electric car companies are bringing economies of scale to make something like that cheaper | 09:51 |
| kanzure | i don't know whether or not it's the full list, sorry | 09:52 |
| kanzure | iirc this was the list that presented at their demoday from the eventbrite link that was floating around | 09:53 |
| nmz787_i | ok cool | 09:53 |
| nmz787_i | didn't know if you did the data sifting work for me | 09:53 |
| fenn | "Polypropylene plus Double Metallised Paper" doesn't sound all that difficult to make | 09:54 |
| heath | .title http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0083622 | 09:54 |
| yoleaux | PLOS ONE: An IDEA for Short Term Outbreak Projection: Nearcasting Using the Basic Reproduction Number | 09:54 |
| superkuh | I think it is probably very hard. | 09:54 |
| heath | someone used this model the ebola breakout | 09:54 |
| fenn | i know they use special biaxially stressed polypropylene | 09:54 |
| fenn | ugh who cares about ebola | 09:55 |
| fenn | "people are dying!" | 09:55 |
| nmz787_i | gf said we aren't flying anytime soon bc of ebola | 09:55 |
| fenn | .wa number of deaths per second on earth | 09:55 |
| yoleaux | fenn: Sorry, no result! | 09:55 |
| fenn | blah | 09:55 |
| nmz787_i | lol | 09:56 |
| fenn | 1.78 deaths per second is lower than i expected | 09:56 |
| kanzure | .wa current distribution of human ages | 09:56 |
| yoleaux | kanzure: Sorry, no result! | 09:56 |
| kanzure | .wa number of humans | 09:56 |
| yoleaux | kanzure: Sorry, that command (.wa) crashed. | 09:56 |
| kanzure | hah | 09:56 |
| nmz787_i | kanzure: that imgur is really cool | 09:57 |
| nmz787_i | the bees one | 09:57 |
| fenn | Of the roughly 150,000 people who die each day across the globe, about two thirds—100,000 per day—die of age-related causes. | 10:00 |
| superkuh | The capacitors I was looking for were mostly interesting to me because the papers incorrect called them electrolytics. It took quite a bit of time to figure that error out (http://4hv.org/e107_plugins/forum/forum_viewtopic.php?166632.0). | 10:01 |
| kanzure | fenn: presumably ebola matters more at the moment because old age isn't communicable | 10:04 |
| fenn | well apparently youth is communicable by blood transfusion | 10:04 |
| fenn | in mice at least (why has nobody done this experiment in humans?) | 10:04 |
| fenn | i'd commit 2 weeks of sitting in a chair to saving someone's life | 10:05 |
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| fenn | also why can't the people who survived ebola help with the treatment effort | 10:07 |
| superkuh | That is occurring in at least one instance. | 10:07 |
| fenn | a) they can't get infected so they don't need to do decontamination constantly, and b) they can produce antiviral serum | 10:07 |
| nmz787_i | superkuh: what is this #hvcomm that you speak of? | 10:14 |
| nmz787_i | superkuh: not on freenode? | 10:14 |
| nmz787_i | oh, irc://irc.shadowworld.net/hvcomm | 10:14 |
| * superkuh nods. | 10:14 | |
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| superkuh | sync's here on freenode too though. | 10:15 |
| superkuh | In #homecmos | 10:15 |
| nmz787_i | i need to hang out with more HV ppl | 10:15 |
| nmz787_i | I don't have enough people to entertain my conversation about electron and ion physics | 10:16 |
| fenn | they don't make them anymore | 10:17 |
| nmz787_i | hmm, shadowworld.net is giving me a DNS error | 10:17 |
| fenn | superkuh: what's the difference between a "DC" capacitor and an "AC" capacitor? | 10:19 |
| fenn | MKP-52 vs FMD-52 | 10:19 |
| nmz787_i | probably can tolerate reverse-bias | 10:20 |
| nmz787_i | unlike the caps that explode when you hook them up backwards | 10:20 |
| nmz787_i | what the reasoning is idk | 10:20 |
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| superkuh | AC heats the dieletric. | 10:20 |
| nmz787_i | electrodes must not be same material | 10:21 |
| superkuh | If you just polarize the dielectric and let it sit like in DC there is less heating and less stress on it. | 10:22 |
| fenn | it seems like the common ratings parameters are missing a dimension or two | 10:23 |
| nmz787_i | superkuh: that closeup cap image, have you tried denoising at all? fft? | 10:23 |
| superkuh | Nope. | 10:23 |
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| kanzure | hmm. | 10:42 |
| heath | fig 1.0.0 release notes: https://github.com/docker/fig/releases/tag/1.0.0 | 10:43 |
| kanzure | "Today’s a big day for Fig, our Docker-based development environment tool: we’re releasing version 1.0. It’s the first and last major version increment, as we’re already hard at work building the functionality Fig provides into Docker itself." | 10:43 |
| kanzure | docker exec is nice. | 10:48 |
| fenn | kanzure btw wrt bees http://www.aganethadyck.ca/ | 10:52 |
| kanzure | starting with an existing scaffold is clever but i'm not sure how clever | 10:53 |
| fenn | its just to show what bees will actually do when not working for an advertising/sfx company | 10:54 |
| fenn | i have no idea what that page looks like in a normal browser | 10:54 |
| kanzure | you click an image, it moves a popup thing that makes you think something is broken, then you click another link to go to the for-real-now gallery. | 10:55 |
| nmz787_i | yeah | 10:55 |
| nmz787_i | it's pretty dumb | 10:55 |
| kanzure | http://www.aganethadyck.ca/theplexiglasshouse/index.html | 10:57 |
| kanzure | .title https://www.youtube.com/watch?v=8a9-DijrLyo | 11:01 |
| yoleaux | WikiHouse Time-Lapse of construction - Final Cut - YouTube | 11:01 |
| kanzure | from http://www.buildingcentre.co.uk/galleries/galleries_crescent.asp (but really from eric hunting) | 11:02 |
| fenn | they skipped a few steps at around 0m12s | 11:05 |
| fenn | "and then plywood pieces magically appear" | 11:06 |
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| gene_hacker | http://www.whitehouse.gov/blog/2014/10/14/bootstrapping-solar-system-civilization | 11:07 |
| kanzure | gene_hacker: "a nuclear battery for mems devices" http://homepages.cae.wisc.edu/~blanchar/res/DE-FG07-99ID13781-Final-Report.pdf | 11:09 |
| chris_99 | is that a tritium based one? | 11:09 |
| kanzure | yes | 11:10 |
| gene_hacker | hey kanzure you wanted some chemistry databases? | 11:11 |
| kanzure | yes | 11:11 |
| gene_hacker | this is pretty neat | 11:11 |
| gene_hacker | http://www.gdb.unibe.ch/gdb/home.html | 11:11 |
| gene_hacker | millions of molecules that we know to be possible | 11:12 |
| kanzure | "GDB-11 enumerates small organic molecules up to 11 atoms of C, N, O and F following simple chemical stability and synthetic feasibility rules." | 11:12 |
| kanzure | i would be more interested in those rules than the actual output | 11:12 |
| kanzure | 970 Million Druglike Small Molecules for Virtual Screening in the Chemical Universe Database GDB-13. Blum L. C.; Reymond J.-L. J. Am. Chem. Soc., 2009, 131, 8732-8733. | 11:14 |
| fenn | sounds less like a database than just program output | 11:15 |
| fenn | gene_hacker: have you run across any free engineering materials databases? | 11:16 |
| gene_hacker | yes | 11:16 |
| gene_hacker | matsci | 11:16 |
| gene_hacker | err matweb.com | 11:17 |
| fenn | any free as in freedom databases? | 11:17 |
| gene_hacker | you can query it without paying any money | 11:18 |
| nmz787_i | paperbot: http://pubs.acs.org/doi/pdf/10.1021/ci600423u | 11:18 |
| fenn | yes i have a copy of it | 11:19 |
| paperbot | http://diyhpl.us/~bryan/papers2/paperbot/b4ae0591d2d678c35c9f0e20a2f7a371.pdf | 11:19 |
| gene_hacker | it's a list of SMILES strings, so it's a database in a very bad sense of the word | 11:19 |
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| kanzure | gene_hacker: looking for some molecules in particular? | 11:20 |
| fenn | matweb is pretty good, but i can't legally do anything with it that other people can also legally use | 11:21 |
| gene_hacker | yes, ones that can do mechanical things | 11:21 |
| kanzure | have any examples of ones that currently do mechanical things? | 11:21 |
| fenn | most mechanical chemicals aren't organic | 11:22 |
| gene_hacker | stuff that's nice, rigid, and not ridiculously hard to synthesize like diamondoid | 11:22 |
| gene_hacker | you'd be surprised fenn | 11:22 |
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| fenn | structural polymers, lubricants, coatings, seals, what else? | 11:23 |
| gene_hacker | well there are molecular hinges based around acetylene, ferrocenes that are bearing like, helicenes that are spring like, porphyrins with lots of methyl groups that are gear like | 11:24 |
| gene_hacker | and rotaxanes which are really bad prismatic joints | 11:24 |
| fenn | oh you are talking about molecular nanotech | 11:25 |
| gene_hacker | there's molecular gyroscopes, nanocars, nanotrains, and a whole bunch of other fun stuff | 11:25 |
| fenn | do any of them do anything useful? | 11:26 |
| nmz787_i | carbon fiber? | 11:26 |
| fenn | i mean, not to be a party pooper, but there are millions of proteins that do fun and important stuff | 11:26 |
| nmz787_i | nanotubes | 11:26 |
| nmz787_i | fenn: doesn't seem poopy | 11:27 |
| nmz787_i | seems promising if anything to m | 11:27 |
| nmz787_i | me | 11:27 |
| fenn | even drexler recommended would-be nanoengineers to study artificial protein design | 11:27 |
| gene_hacker | yeah they make interesting research projects for chemists | 11:27 |
| kanzure | i don't think many of the protein motifs are well enough understood in isolation for mechanical knowledge stuff | 11:28 |
| kanzure | "this part of the protein is a finger that moves molecules closer to the protein, but only in these ridiculous circumstances regarding the rest of the protein, and when you transplant it to another protein, it does not do those things" | 11:28 |
| fenn | the active site is hard to do, but simple things like rods and hinges has been done | 11:28 |
| gene_hacker | protein design is hard | 11:29 |
| fenn | not necessarily | 11:29 |
| fenn | paper origami is "hard" | 11:30 |
| nmz787_i | http://xkcd.com/1430/ | 11:30 |
| nmz787_i | .title | 11:30 |
| yoleaux | xkcd: Proteins | 11:30 |
| gene_hacker | in paper origami we have algorithms for figuring out the fold patterns to fold just about any arbitrary 3d object | 11:32 |
| gene_hacker | proteins not so much | 11:32 |
| fenn | i havent looked at this for a few years but presumably some progress has happened since 2011 | 11:32 |
| gene_hacker | in protein design? | 11:34 |
| gene_hacker | oh no, we've barely made any progress | 11:34 |
| kanzure | i haven't seen a good paper about things from proteins that we should be stealing | 11:34 |
| kanzure | like this thing: http://en.wikipedia.org/wiki/Type_three_secretion_system | 11:34 |
| gene_hacker | which is why working with proteins isn't in my job description | 11:34 |
| kanzure | such an empty folder http://diyhpl.us/~bryan/papers2/bio/protein-engineering/ | 11:39 |
| fenn | weird, tatiana gelfand randomly shows up on the wikipedia page about protein structural motifs | 11:39 |
| fenn | anyway you can use these rules to define simple protein structures https://en.wikipedia.org/wiki/Structural_motif | 11:40 |
| fenn | i'm sorry i dont remember the paper; it was a husband and wife team with an asian name, i think the paper was in nature | 11:40 |
| fenn | the artificial proteins exhibited increased temperature stability | 11:41 |
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| kanzure | http://scholar.google.com/scholar?as_ylo=2013&q=rational+protein+design&hl=en&as_sdt=0,44 | 11:57 |
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| kjskjskjs | superkuh: are you sure they all have internal bleeder resistors? I'm pretty sure the last one I recovered had an external bleeder resistor | 13:12 |
| kjskjskjs | fenn: can I have a copy of matweb? | 13:14 |
| kjskjskjs | (of course you could have both internal and external bleeder resistors but it seems more likely that the external one was because there was no internal one) | 13:15 |
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| kanzure | hmm | 14:10 |
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| kanzure | i wonder how good that autopilot software is | 14:19 |
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| drethelin | kanzure: I'm excited for it | 14:20 |
| drethelin | een though it'll probably be years before I have a car that has it | 14:20 |
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| kanzure | no i meant for quadcopter drones | 14:21 |
| kanzure | the p4xe stuff from the other day | 14:21 |
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| kanzure | "briefcase biotec (AKA kilobaser) was one of team 2014," | 14:36 |
| kanzure | cc nmz787_i | 14:36 |
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| kanzure | "Of course, it's first and foremost a Synbio accelerator, but that includes all dimensions of synbio: wetware, software, hardware. An incubator might not cut it, but Kilobaser is a microfluidic DNA synthesiser; a clear fit." | 14:40 |
| kanzure | (yes but you paid people who lie about their understanding of open source licensing) | 14:41 |
| kanzure | oh well | 14:42 |
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| kanzure | http://mises.org/document/3490/Defending-the-Undefendable | 15:34 |
| kanzure | "Not only does he defend prostitutes, pimps, counterfeiters, ticket scalpers, slumlords, blackmailers, libelors, stripminers, letterers, and scabs (among others), he actually has the temerity to call them heroes! Block even has the gall to challenge the most enduring shiboleth of higher education, academic freedom." | 15:34 |
| kanzure | oh, http://library.mises.org/books/Walter%20Block/Defending%20the%20Undefendable.pdf | 15:38 |
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| ParahSailin_ | walter block is a creationist though | 16:24 |
| kanzure | after reading this book for a bit, i'll just say he has the right general ideas, but his explanations are terrible | 16:26 |
| kanzure | and wrong | 16:26 |
| ParahSailin_ | no, im sorry its bomb murphy who is the creationist | 16:29 |
| ParahSailin_ | bob | 16:29 |
| kjskjskjs | is the Walter E. Grinder thanked in the dedication related to the John Grinder who cofounded Neuro-Linguistic Programming? | 16:36 |
| kanzure | no idea. | 16:37 |
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| kanzure | for some reason i remember ripple from something pre-2008 but i don't have any evidence that i knew about it https://classic.ripplepay.com/ http://archive.ripple-project.org/Main/HomePage | 16:58 |
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| kjskjskjs | probably a different ripple | 17:09 |
| kjskjskjs | I mean the current ripple is pretty blockchain-based | 17:09 |
| kanzure | current ripple is a fork or derivative of 2004 ripple | 17:10 |
| kanzure | there's certainly a ledger that is distributed to ripple nodes, but i don't think it's fair to call that a blockchain | 17:10 |
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| kanzure | ("blockchain" so far seems to refer to systems like the bitcoin blockchain, and not just "blocks of receipts from any system") | 17:11 |
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| kjskjskjs | maybe I'm mistaken | 17:27 |
| kjskjskjs | but I thought it was a globally replicated ledger that used proof-of-work to make it computationally infeasible to repudiate past transactions? | 17:27 |
| kanzure | "For configuration, we separate the application and the config files into two separate containers. The config files are provided through a shared volume to the application. This model is definitely odd. However, it's allowed us to decouple our application and our configuration and to swap out configurations. With this in mind, it's more declarative because we specify "run this application with this configuration unit" rather than "here's how ... | 17:29 |
| kanzure | ... you get yourself started". See the Radial project for our inspiration[1] http://radial.viewdocs.io/docs " | 17:29 |
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| kanzure | kjskjskjs: oh, not at all, no | 17:30 |
| kanzure | kjskjskjs: see this section https://wiki.ripple.com/Consensus#More_Details | 17:30 |
| kanzure | "The basic rule is that if 50% of the nodes on your UNL, including you, vote for a transaction, you include it. If not, you don't. After a few seconds, the threshold raises from 50% to 60% -- failure to agree is agreement to fail -- and continues to rise. This ensures that the voting on a transaction doesn't just bounce around 50% for an extended period of time." | 17:30 |
| kanzure | ripple doesn't use proof-of-work for its consensus | 17:31 |
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| kjskjskjs | instead it uses voting among unique validators you accept: "People will only choose entities as validators who are not anonymous or have a reputation." | 18:00 |
| kjskjskjs | to me this sounds like a recipe for hard forks in the case of something like the current Griesa Argentina NML controversy | 18:02 |
| kanzure | "If the client can get local root privileges (e.g. CVE-2014-4699, CVE-2014-4014, CVE-2014-0196, unix-privesc-check, many more) they can then escape the docker container." | 18:04 |
| kanzure | kjskjskjs: what is this controversy a controversy about? | 18:04 |
| kjskjskjs | Argentina's 2001 sovereign debt default | 18:06 |
| kjskjskjs | NML persuaded a court to prohibit US banks from delivering Argentina's payments on our renegotiated debt to our creditors unless it also makes payments on non-renegotiated debt | 18:07 |
| kanzure | ah yes | 18:07 |
| kanzure | so, the thing about ripple is that they made a huge mistake by marketing towards bitcoin's audience | 18:07 |
| kanzure | they even literally used the phrasing "bitcoin 2.0" back a few years ago | 18:07 |
| kanzure | but realistically they are more like a competitor to swift or credit networks or something | 18:07 |
| kjskjskjs | well | 18:08 |
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| kanzure | their gateways and ious are very familiar to banks and those sorts of customers, because the product is basically what banks are used to using anyway | 18:08 |
| kjskjskjs | except that in a situation like this, ripple is more vulnerable to post facto expropriation by states | 18:08 |
| kanzure | absolutely, but so is traditional banking infrastructure i think, so that's not really something ripple's customers care about | 18:09 |
| kanzure | i have to admit that there seems to be very few reasons to bother with their "consensus" algorithm | 18:09 |
| kjskjskjs | well, up to some point, yes | 18:09 |
| kjskjskjs | but only up to some point | 18:09 |
| kjskjskjs | I mean that is why Venezuela repatriated its overseas gold | 18:10 |
| kjskjskjs | I guess if you're using ripple instead of swift, rather than ripple instead of gold, that's less of a problem | 18:10 |
| kanzure | right. | 18:10 |
| kanzure | but it's just sort of a non-statement almost.. i mean.. many of the benefits that you get with bitcoin through decentralized consensus are just, not present in ripple. so why bother with ripple's implementation? | 18:11 |
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| kanzure | they could have centralized half of it or something | 18:12 |
| kjskjskjs | ripple's account of how clients decide who owns ripple money seems suspiciously similar to me to how people decide which religion is the true religion | 18:12 |
| kanzure | gossip? | 18:13 |
| kjskjskjs | no, consensus of the people who have a reputation in your eyes | 18:13 |
| kjskjskjs | gossip is a fine way to distribute transactions as long as its scalability limit doesn't hit | 18:14 |
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| kjskjskjs | it doesn't help you decide which transactions are valid | 18:15 |
| kanzure | i haven't really considered all the possible failure modes of ripple too thoroughly | 18:16 |
| kjskjskjs | I wonder if the Bitcoin ASIC companies have produced crises at NVIDIA and ATI | 18:17 |
| kanzure | well, they certainly experienced spikes in graphics card demand back in 2011 and 2012 | 18:17 |
| kanzure | but iirc not long enough for them to notice correctly or to react and take advantage of it | 18:18 |
| kjskjskjs | right, I wonder if they experienced whiplash | 18:18 |
| kanzure | it would be really interesting to get stats from them about when they recognized the trend and what they were thinking | 18:18 |
| kanzure | versus what the market forces were producing, and whether or not they had an accurate understanding of the market forces for scrypt/sha256 hashing | 18:19 |
| kanzure | on a related note i wonder if there's an excess of low-priced high-end gpus now | 18:20 |
| kjskjskjs | I wonder too | 18:20 |
| kjskjskjs | I recently learned that the GPU in my cellphone is the same one in the Pi | 18:20 |
| kjskjskjs | which has been thoroughly documented | 18:20 |
| kanzure | that's unfortunate, they should really tell you nice things like that upfront | 18:21 |
| kjskjskjs | the girl who sold it to me didn't even know the PIN for the avast! anti-theft software installed on it | 18:22 |
| kjskjskjs | much less what kind of GPU it had | 18:28 |
| heath | music https://splice.com/explore | 18:28 |
| kjskjskjs | then we started making out | 18:28 |
| kjskjskjs | I need to start uploading my traces to openstreetmap | 18:28 |
| kanzure | jgarzik pgp attestation stuff http://gtf.org/garzik/bitcoin/psa3-bitpay.txt | 18:30 |
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| kanzure | radio interface layer constants https://mxr.mozilla.org/mozilla-central/source/dom/system/gonk/ril_consts.js | 18:54 |
| kanzure | 117 this.REQUEST_CDMA_SMS_BROADCAST_ACTIVATION = 94; | 18:55 |
| kanzure | 118 this.REQUEST_CDMA_SUBSCRIPTION = 95; | 18:55 |
| kanzure | https://www.codeaurora.org/cgit/quic/la/platform/hardware/ril/tree/include/telephony/ril.h | 18:56 |
| nmz787 | ATI==AMD so I doubt they care much about bitcoin | 19:02 |
| nmz787 | kjskjskjs: I thought the GPU on the rpi was a binary blob and super closed and obfuscated info | 19:03 |
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| kjskjskjs | nmz787: at first, yes, but then eventually they documented the GPU | 20:28 |
| kjskjskjs | I don't know if they released source for their OpenGL implementation for it. I doubt it | 20:28 |
| kjskjskjs | but there is like a free assembly-language FFT for the GPU for example | 20:30 |
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