--- Log opened Sun Oct 01 00:00:38 2023
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05:04 < L29Ah> sphertext: there are impactful projects that can align with your values and there are part-time/remote jobs
05:05 < L29Ah> capitalism is neat that it also provides variety
05:06 < hprmbridge> kanzure> muurkha, my main interest with the question was to identify a neae-term proposal that shows large population sizes to distinguish the ideology from "Greenpeace in spaaaace" (greenpeace's vision for humanity being force-reduced to small communes in the eco wasteland)
05:09 < hprmbridge> kanzure> and showing that we can quickly scale something the size of a megacity might be appealing to certain kinds of people that believe in the benefits of scalability of living in dense cities.
05:29 < TMA> nmz787: I understand it is one of the better jobs out there. I just pointed out that the _description_ as worded gives an impression of "stressful job" when correcting (somewhat) for the optimistic bias
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08:50 < docl> http://gravitationalballoon.blogspot.com/
08:57 < docl> alan rominger's blog series is about big space colonies. they are basically large pressurized spheres that use asteroid gravity to counter the air pressure. kind of similar to dani eder's bubbleworld idea
09:01 < docl> they don't have significant gravity internally, so the idea is just put a bunch of small town size centrifuges for people to live in. should scale to the giga-human / 3d city range
09:04 < hprmbridge> kanzure> hmm large pressurized spheres do not sound space compatible?
09:04 < docl> it's kind of a nifty workaround, you exploit the weight of the shell to provide backpressure
09:09 < muurkha> kanzure: well, an O'Neill colony in space is sort of similar to a small commune in a wasteland.  but a by-the-book O'Neill colony is 8 km diameter, 25 km in circumference, 30 km long, and so 750 km**2
09:10 < muurkha> if it doesn't have farmland that's 10 million people
09:11 < muurkha> but at farmland density it's more like 3000 people
09:12 < muurkha> using respectively population densities from https://en.wikipedia.org/wiki/Buenos_Aires and https://en.wikipedia.org/wiki/R%C3%ADo_Negro_Province
09:13 < L29Ah> you can as well build up the entire volume of the sphere
09:13 < docl> I feel like people who want to be space urbanites will get microgravity adaptations somehow. maybe use utility fog for a crude gravity simulation
09:15 < L29Ah> the problem with solid space megastructures is their vulnerability to asteroids
09:15 < docl> (u-fog wouldn't counter the biological effects of microgravity, but it would let you walk on flat surfaces and stick objects to the table and so on)
09:17 < kanzure> muurkha: exponential self-replication to construct a colony would require us to actually build self-replicators that we don't already have though :(
09:22 < docl> the trick is to put all asteroids on safe trajectories so they won't hit anything. gravity balloons are pretty resistant though, multiple km of shell the impactor would need to punch through
10:36 < muurkha> kanzure: obviously that is a necessary step for a future of material abundance, isn't it?
10:39 < muurkha> L29Ah: there is some kind of limitation on population density based on energy available
10:42 < muurkha> in https://dercuano.github.io/notes/house-scrubber.html I listed productivities from 15-70 dry tonnes per hectare per year for intensive sun-fueled agriculture
10:43 < muurkha> a human eats about 0.2 dry tonnes per year of carbohydrate or equivalent
10:44 < muurkha> so that suggests carrying capacities of some 200 people per hectare, which is 20000/km**2, closer to the urban density than the farmland density given above
10:45 < L29Ah> > And they’re caustic powders, so if you trip carrying a bucket of this shit, you’re going to the hospital.
10:45 < L29Ah> nah
10:45 < muurkha> yeah, I was wrong about that, thanks
10:45 < muurkha> you still don't want to breathe it though
10:46 < muurkha> (caustic magnesia or quicklime, specifically)
10:47 < hprmbridge> Eli> why do they call it a fermi equation instead of best guesstimate? Is it just to sound more credible?
10:55 < muurkha> you mean Fermi estimation?  because Fermi estimation is a specific method for making a best guesstimate that produces better results than some popular alternative methods
10:57 < muurkha> the page linked above does not contain any Fermi estimates, but some of the calculations in it might be off by an order of magnitude or more despite attempting greater precision
11:01 < muurkha> it's largely focused on a different problem than agricultural productivity, namely, indoor air freshness, which is sort of its mirror image: all that CO₂ you exhale has to get incorporated back into things youcan eat eventually to have an autonomously sustainable O'Neill colony
11:05 < docl> interesting article
11:11 < docl> knowing what's possible in principle with nanotech (and even biotech), it's kind of nerve wracking to share an atmosphere with everyone. maybe in a few decades it'll be normal to hermetically seal your house
11:39 < sphertext_> L29Ah maybe there are rewarding, part-time, and remote jobs out there, which would consider my (modest) skill level. but i haven't found any. i regularly make time to learn new skills, so maybe one day. the biggest problem is that i have so little time to spend on earning money. i have tons of personal projects, i barely make time for my personal needs even
12:31 < sphertext_> the apotheosis of 21st century science https://www.nature.com/articles/s41415-019-0551-9
12:31 < sphertext_> .t
12:31 < EmmyNoether> A revolutionary toothbrush with artificial intelligence | British Dental Journal
12:33 < L29Ah> with this kind of price tag i can order a personalized whole-mouth "toothbrush"
12:33 < L29Ah> forgot how was it named...
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14:47 < ike8> Would any of you join a clinical trial to test David Sinclair's new reverse-aging pill?
14:58 < L29Ah> which one?
14:58 < L29Ah> he's such a bustling beast
15:00 < sphertext_> i get such a good response from racetams. yesterday i started taking phenyl again after more than a year, and it's great 
15:01 < sphertext_> probably only going to need it for a couple of days, but really happy with the effect 
15:29 < muurkha> docl: thanks, I try to write interesting articles, but a lot of them don't make it to the point of being interesting.
15:30 < ike8> L29Ah: his new DNA repair concoction
15:30 < ike8> https://youtu.be/uM1LtAMGWEY
15:30 < ike8> https://twitter.com/davidasinclair/status/1707511608094924841
15:30 < Muaddib> [uM1LtAMGWEY] David Sinclair - ONE PILL (6:50)
15:30 < muurkha> docl: I don't think hermetically sealing your house will help against MNT
15:34 < ike8> sphertext_: I've cycled phenylpiracetam a few times, but I've never been happy with it. It makes me feel energized an focused, but dumber than baseline.
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15:48 < kanzure> recommed me a good LLM review article
15:48 < kanzure> .. recommend.
15:58 < jrayhawk> ike8: acetylcholine encodes for confidence interval; it would be useful if you needed to think in a less precise manner about ambiguous/noisy subject matter.
16:05 < jrayhawk> for instance, if you are moving towards the applied side of a theoretical/applied gradient of something like math->physics->chemistry->biology->phusiology->behavior->sociology
16:11 < jrayhawk> this is why mathematicians and social scientists hate eachother's subject matter
16:13 < L29Ah> nice behaviorism shill :)
16:14 < ike8> jrayhawk: That makes sense. I move back and forth on the theoretical/applied gradient moment by moment. Phenylpiracetam makes me feel like I can not easily move to the theoretical side. Strangely, I do not notice that problem when I use acetylcholine precursors and acetylcholinesterase inhibitors.
16:17 < ike8> I really like that image of a theoretical/applied gradient. I'm going to add that to my molecule diary.
16:18 < jrayhawk> Which precursors? aGPC would be expected to drive primarily towards acetylcholine where most other forms of choline would be feeding into the methylation cycle for more balanced neurotransmitter production
16:23 < jrayhawk> and, of coruse, lipoprotein production for everything to work better generally
16:24 < ike8> I've cycled Alpha GPC (150 mg every second day) and Citicoline (150 mg every second day). Also, Huperzine A (10-20 mcg every second day). Huperzine A works the best, then aGPC second.
16:25 < jrayhawk> Oh, those are somewhat low numbers, so substitution effects might be in play.
16:26 < jrayhawk> e.g. more endogenous choline getting shunted to methionine in response to 150mg of acetylcholine such that it's mostly compensated for
16:27 < jrayhawk> er, in response to 150mg of aGPC
16:28 < jrayhawk> slamming 1.0-1.5g of aGPC would probably be a bit more like a *racetam effect.
16:30 < ike8> have you done that before?
16:30 < jrayhawk> Yeah. I have some pretty bad hyperhomocysteinemia problems, so I experiment with choline a lot.
16:33 < jrayhawk> Specifically, reynauds phenomenon and D1-inhibition depression.
16:57 < jrayhawk> I got some benefit from small amounts of aGPC (i assume due to substitution effects), but scaling it up didn't do anything more for D1 sensitivity and started trashing inductive precision.
16:57 < jrayhawk> so, about as expected
17:04 < jrayhawk> In addition to exogenous choline dependency, I am also quite bad at carotinoid->retinoid conversion, so my genetics appear to be set up for regular liver consumption.
17:04 < jrayhawk> Unfortunately they have also set me up to find the taste of liver terrible.
17:04 < jrayhawk> Such is life.
17:21 < L29Ah> cod liver isn't as bad
17:46 < kanzure> "Tidal energy is not renewable" https://cs.stanford.edu/people/zjl/pdf/tide.pdf
18:04 < mrdata> huh
18:06 < jrayhawk> not convinced that's true. locking out circumnavigation of the arctic and antarctic oceans would convert from a continuous drag to an oscillating drag, for instance
18:07 < jrayhawk> he would need to run simulations and those would be too complicated for a news headline.
18:16 < ike8> The the line between renewable and nonrenewable is blurry. One can make a coherent argument that oil and natural gas are renewable.
18:20 < jrayhawk> partition size probably also has macro-effects, much like liquid tank surge baffles, but I don't have a good intuition for how significant those would be. https://liquidsurgecontrol.com/how_surge_busters_work.htm
18:21 < L29Ah> "renewable" is a marketing trick anyway
18:24 < jrayhawk> you can also selectively derive power from one half of the flow oscillation or the other
18:24 < jrayhawk> so that net you can accelerate or decelerate the earth
18:24 < jrayhawk> much like a bird flapping its wings
18:38 < ike8> fascinating
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18:56 < jrayhawk> or https://www.youtube.com/watch?v=I_LzGuqBKDo&t=23m12s is more fun
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21:45 < hprmbridge> Eli> Interesting. They sort of glossed over this in my physics class I think
21:53 < fenn> muurkha: why did you consider ethanolamine but not zeolites?
21:56 < fenn> kanzure: is this the kind of article you're looking for? https://writings.stephenwolfram.com/2023/02/what-is-chatgpt-doing-and-why-does-it-work/
21:57 < fenn> kanzure: or you want like, a list of all the good models and why we think they're better than other models
21:58 < fenn> https://tatsu-lab.github.io/alpaca_eval/ can personally confirm xwin (#1 spot) is pretty good
22:13 < fenn> also llama-2-chat sucks donkey balls
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--- Log closed Mon Oct 02 00:00:39 2023