--- Log opened Wed Jun 21 00:00:28 2017
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01:59 < archels_> .title https://www.youtube.com/watch?v=QCqxOzKNFks
01:59 < yoleaux> ?????? - YouTube
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02:15 < archels_> .tr :jp :en ?????
02:15 < yoleaux> archels_: Sorry, that command (.tr) crashed.
02:15 < archels_> "bot sumo"
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05:51 < kanzure> .title https://news.ycombinator.com/item?id=14595290
05:51 < yoleaux> Rigetti Forest 1.0 - programming environment for quantum/classical computing | Hacker News
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05:58 < kanzure> http://math.nist.gov/quantum/zoo/
05:58 < kanzure> http://pyquil.readthedocs.io/en/latest/intro_to_qc.html
05:58 < kanzure> .title
05:58 < yoleaux> Brief Introduction to Quantum Computing -- pyQuil 1.0.0 documentation
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07:26 < kanzure> "The myth of cognitive enhancement drugs" https://link.springer.com/article/10.1007/s12152-015-9232-9
07:34 < andytosh1> hm, they focus on ritalin, adderall and modafinil, none of which i've heard billed as nootropics (moda is generally described as being a wakefulness drug)
07:35 -!- andytosh1 is now known as andytoshi
07:37 < archels_> .title miniscope.org
07:37 < yoleaux> UCLA Miniscope
07:38 < archels_> few hundred dollar mini head mounted microscope to monitor neural activity of ~1000 neurons at a time
07:38 < archels_> chronically
07:39 < kanzure> sent anders my nootropics ideas, let's see if he's too cool for school.
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07:47 < andytoshi> the paper claims (a) that these drugs affect mood/motivation/etc rather than cognition and (b) you can't separate these things so claim (a) is meaningless
07:47 < andytoshi> i guess if the conclusion is "we're confused" that's o
07:47 < andytoshi> ok
07:48 < kanzure> andytoshi: i was showing anders page 15 of http://diyhpl.us/~bryan/irc/2017-02-03-beacon.pdf
07:48 < kanzure> as to "mood-only" i think that's fine; nothing wrong with having an awesome mood.
07:49 < andytoshi> yeah for sure
07:49 < kanzure> although if mood does not correlate with any other conceivale cognitive effect, then that's bad. but i sort of doubt mood is completely unrelated.
07:49 < kanzure> andytoshi: cevi_ in here has been looking at the constraint satisfaction problem dichotomy conjecture. he wrote up some notes about the proof https://arxiv.org/pdf/1704.01914.pdf over here http://math.stanford.edu/~notzeb/csp.html
07:50 < andytoshi> oh, nice, sounds highly revelant to a lot of things
07:50 < andytoshi> ..and also like it would require more braincycles than i can spare rn to grok :)
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07:53 < kanzure> bah.
07:56 < andytoshi> yes, if only there were some sort of cognitively enhancing drug..
07:56 < archels_> memory issues due to aging: increased CCL5, ligand for CCR5 which is a GPCR, and whose downstream effects include downregulating CREB expression [Alcino Silva]
07:56 < archels_> am on phone right now, but someone should google whether there is skme known intervention thete
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07:59 < kanzure> i have some anti-aging memory stuff on http://diyhpl.us/wiki/genetic-modifications/ but it's mostly things like hippocampus volume and typical anti-alzheimer pro-memory APOE/APOC stuff.
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08:01 < archels_> ah, CCR5 is on there already. cool
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08:05 < kanzure> CCR5 is on there for anti-HIV reasons
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10:05 < kanzure> "So, let us assume that Earth for some reason (a wizard did it?) unpeels and turns flat. Let us also assume that we can ignore the first order effects of accelerating enormous masses at huge speeds (which are likely to produce enough heat to melt the whole thing). Instead, we now have a layer cake with the Earth's crust on top of a cylinder of mantle on top of a cylinder of core. The thickne...
10:05 < kanzure> ...ss under the flat top is a third of the original radius, 2123 km. f we assume the world is now roughly cylinder-shaped the gravitational acceleration at the centre will be weaker than on Earth--there is less stuff below your feet to pull you down, so gravity will be about 30%. However, near the edge of the flat Earth gravity will be weaker and point downwards towards the centre - it will be s...
10:05 < kanzure> ...lanted relative to the surface. This spells trouble: essentially the edge regions are like immensely high mountains, and the air will rush down toward the centre of the flat surface. Crazy storms and suffocation will ensue. A bit more slowly the oceans will be arriving. And after that, the rocks. There is a maximum height for mountains in a given gravity set by the strength of rocks. On Earth ...
10:05 < kanzure> ...it is about 10 km. Even if we divide by the weaker gravity the "mountains" of the edge will be thousands of kilometres too tall."
10:06 < kanzure> .tw https://twitter.com/bryan_caplan/status/874639409345441792
10:06 < yoleaux> Caricaturing careful, nuanced views is a great way to keep the quantity of careful, nuanced views at its current homeopathic level. (@bryan_caplan)
10:06 < kanzure> .tw https://twitter.com/anderssandberg/status/874913901657325573
10:06 < yoleaux> Strangely, caricaturing careless and extreme views does not decrease their prevalence. Annoying asymmetry. #MakeOurEpistemologyGreatAgain https://twitter.com/bryan_caplan/status/874639409345441792 (@anderssandberg)
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10:08 < kanzure> .tw https://twitter.com/anderssandberg/status/848068402958696448
10:08 < yoleaux> I am happy to have contributed to a paper debunking naive fears of supersized machines: https://philpapers.org/archive/GAROTI-3.pdf (@anderssandberg)
10:10 < kanzure> ( https://arxiv.org/abs/1703.10987 again
10:10 < kanzure> )
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11:09 < heath> https://docs.google.com/spreadsheets/d/1kwbnPdEtHdhNjVdNRKWZIZnEAgXhyHZnc462ASUodpc/edit#gid=0
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15:52 < cluckj> kanzure, what was that a few days ago about me and a needle?
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17:21 < kanzure> i forgot about oral insulin
17:21 < kanzure> so.. nothing.
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18:14 < cluckj> I don't think oral insulin delivery was figured out
18:17 < kanzure> oh what
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19:03 < cluckj> I have a pump :P
19:03 < cluckj> which somebody recently pulled the firmware off of, for hacking purposes
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20:17 < kanzure> can you share
20:17 < kanzure> we can get that reversed p. easily
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21:49 < juri_> i have people on standby for stuff like that.
22:20 < kanzure> oh sure, we all do
22:20 < kanzure> totally normal
22:20 < maaku> I'm surprised to find that I can't order a mechanically programmable QR code stamp, as far as I can tell. Anyone know anybody I can pay to design one?
22:21 < kanzure> maaku: tryfind a qr stamp on etsy or something
22:22 < kanzure> oh, programmable.
22:22 < maaku> Yeah, I want to send a string and have it raise and lower 25x25 pistons
22:24 < maaku> I thought this would be a thing for sure, but either it is not or I failed at google.
22:24 < kanzure> try asking in #reprap
22:24 < kanzure> they should have someone.
22:25 < maaku> Portable QR code printers (on little stickers), yes, but this use case requires an old style stamp not a sticker.
22:25 < maaku> ok
22:27 < kanzure> nothing on thingiverse.. wouldn't expect this one to be, though.
22:28 < CaptHindsight> what would you use for actuators?
22:28 < kanzure> maaku: CaptHindsight is inkjet wizard, if you could form your question to ask about inkjets, i am sure you would have a solution quickly
22:28 < CaptHindsight> heh, I think inkjets are <5% of what I usually do
22:29 < kanzure> that just makes you 20x the wizard
22:30 < CaptHindsight> a programmable QR printer would have to work similar to a braille display
22:30 < kanzure> you could use a braile display probably
22:30 < kanzure> they sorta suck though. and they cost a lot.
22:31 < kanzure> (they are the sort of devices that are "WindowsCE required".)
22:31 < CaptHindsight> was working on a low cost one using wax + graphite actuators
22:32 < CaptHindsight> http://iopscience.iop.org/article/10.1088/0960-1317/20/8/085039/meta
22:32 < kanzure> .title
22:33 < yoleaux> An in situ heater for a phase-change-material-based actuation system - IOPscience
22:33 < CaptHindsight> not sure why maaku needs it to be mechanical
22:34 < CaptHindsight> maaku: how often does the code change?
22:36 < CaptHindsight> https://images-na.ssl-images-amazon.com/images/I/41pABlB2jzL.jpg with a lock for the pins after they are set
22:37 < CaptHindsight> the piezo actuators in the braille displays are pricey
22:41 < kanzure> we need to find an asteroid made out of piezo and then mine that thing.
22:41 < CaptHindsight> pzt is actually pretty inexpensive
22:42 < kanzure> before i sleep, just want to pose a question,   which is whether anyone knows what precisely is the method that fat earthers are proposing to convert the earth into flat disc shape?
22:42 < kanzure> *flat earthers
22:42 < maaku> Sorry, kid started fussing.
22:43 < CaptHindsight> I like fat earthers better
22:44 < CaptHindsight> maaku: no problem, that goes on about another 30 years
22:44 < CaptHindsight> https://en.wikipedia.org/wiki/Amplified_piezoelectric_actuator
22:45 < maaku> So I'm more the business and software guy for this project. The only real requirement is that it be from 0.5 to 2cm square, and apply red ink to paper.
22:45 < maaku> Configuring a new QR code can take up to ~1s, and it is done fairly infrequently (human use, not industrial)
22:46 < CaptHindsight> maybe a dot matrix printhead?
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22:46 < CaptHindsight> but they are only 9 pins
22:47 < CaptHindsight> sorry 24 pins, so close to the 25 you need
22:47 < maaku> Maybe, but the specific use case is traditionally done with analog stamps with a special type of ink. It would be preferable to replicate the physical act of stamping with an ink well, if possible.
22:48 < CaptHindsight> fast robot arm
22:49 < CaptHindsight> with a small porous tip
22:49 < CaptHindsight> load the ink through it
22:50 < maaku> There's a 24x24 QR code standard. Maybe I could start there at least for a prototype
22:50 < CaptHindsight> https://www.youtube.com/watch?v=5E5-jNhNDrY
22:51 < kanzure> (presumably the flat earthers wish to consume the planet's core for its heat and resources, i can't think of a reasonable place to put it once you flatten out the surface of the planet)
22:52 < CaptHindsight> kanzure: maybe a sandwich?
22:52 < kanzure> like a giant calzone? alright i'm too tired for this.
22:52 < CaptHindsight> yeah
22:52 < kanzure> good night people
22:53 < CaptHindsight> maaku: or a fast delta  https://www.youtube.com/watch?v=0-Kpv-ZOcKY
22:54 < CaptHindsight> but over a short distance you could use a Cartesian setup with linear servos
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22:57 < CaptHindsight> https://youtu.be/xVfJThhBC20?t=44s  this is about the size of your code
22:57 < maaku> That's more or less what I was imagining in my head, but cost is probably prohibitive. Needs to be under a few dollars in parts, ideally
22:57 < CaptHindsight> good luck
22:58 < maaku> Yeah that's why I'm interested in hearing alternative methods :)
22:58 < CaptHindsight> something that falls off a truck
22:59 < CaptHindsight> that just happens to do what you want is a few $$
23:00 < maaku> Oh sorry I mean a few $$ at the scale of producing these by the millions
23:00 < maaku> Could be $50 or more for small batches
23:01 < CaptHindsight> https://s3-eu-central-1.amazonaws.com/centaur-wp/theengineer/prod/content/uploads/2014/05/16131100/TE_Braille_reader.jpg
23:01 < CaptHindsight> ^^ possible using this method if you can stamp by hand
23:03 < CaptHindsight> printed resistors on a pcb with a polymer film covering the drops of paraffin+graphite
23:03 < CaptHindsight> still take a few seconds for the mixture to phase change
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23:46 < archels> http://spectrum.ieee.org/robotics/artificial-intelligence/henry-markram-talks-brain-simulation
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--- Log closed Thu Jun 22 00:00:29 2017