egg|nomz|egg changed the topic of #kspacademia to: https://gist.github.com/pdn4kd/164b9b85435d87afbec0c3a7e69d3e6d | Dogs are cats. Spiders are cat interferometers. | Космизм сегодня! | Document well, for tomorrow you may get mauled by a ネコバス. | <UmbralRaptor> egg|nomz|egg: generally if your eyes are dewing over, that's not the weather. | <ferram4> I shall beat my problems to death with an engineer.
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<egg|zzz|egg> meow
* UmbralRaptop shines a laser pointer in front of egg|zzz|egg
* egg|zzz|egg is eggscited
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* egg|zzz|egg pets kmath
<egg|zzz|egg> ;rpn 1 -0 0 + /
<kmath> egg|zzz|egg: inf
<egg|zzz|egg> ;rpn 1 -0 -0 + /
<kmath> egg|zzz|egg: -inf
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<egg|zzz|egg> bofh: re naming this thing with clusters of perturbed integrators forked off the main thing, aren't those ensembles?
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<egg|zzz|egg> bofh: btw, http://adsabs.harvard.edu/full/1992MNRAS.259..505Q is really neat
<soundnfury> egg|zzz|egg: if you need to call them something else for some reason (e.g. you've already used 'ensemble' in your namespace), maybe you could call them orchestras or choirs instead ;)
<egg|zzz|egg> well if I have several flavours of those that is definitely a good idea
<egg|zzz|egg> bofh: finding shadows close to the computed trajectory, and in some cases proving that an exact shadow exist by interval arithmetic!
<egg|zzz|egg> see also more recent papers by Haynes on the subject
<egg|zzz|egg> ftp://www.cs.toronto.edu/na/reports/DNA.pdf
<egg|zzz|egg> bofh: also by that metric, less-chaotic systems are harder to integrate :-p
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<awang_> egg|zzz|egg: Remember that thing a bit about about placement new and reloading vtable pointers?
<egg|zzz|egg> mew
<awang_> Apparently that's because optimizing that is hard
<bofh> egg|zzz|egg: *wat*
<egg|zzz|egg> bofh: ?
<bofh> re: less-chaotic systems being *harder* to integrate
<egg|zzz|egg> bofh: well, by the metric of "having a shadow"
<awang_> Still not entirely sure what the email also implies
<awang_> Think there was a typo, too?
<egg|zzz|egg> if *anything* happens to the Kepler problem, you can notice it and see that the integration is incorrect
<egg|zzz|egg> whereas in a chaotic system, unless you have a glitch (that's their technical term), there is likely an exact solution near whatever the integrator spitted out
<bofh> that doesn't sound easier, that sounds harder. error detection in the Kepler problem is near-obvious whereas for the chaotic system you have... chaotic solutions that are valid but might not be what you want necessarily :P
<egg|zzz|egg> bofh: but that's the thing, as far as getting a valid solution is concerned chaotic systems are easier
<egg|zzz|egg> bofh: "what you want" in a chaotic system is a bit of a weird concept anyway
<kmath> <✔dynarski> Karl is giving me zero personal space & I am retaliating with a super unflattering photo https://t.co/i46L1jGwat
<bofh> egg|zzz|egg: I... guess.
<egg|zzz|egg> bofh: now of course you're much more likely to get a glitch in a chaotic system, and then you don't have a shadow
<UmbralRaptor> Not sure if you're talking about numeric integration or witchcraft.
<egg|zzz|egg> what's the difference
<kmath> <eggleroy> @FakeUnicode 貓 𓏇𓇋𓅱𓃠 𒊓𒀀
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<egg|zzz|egg> meow
<egg|zzz|egg> !wpn whitequark
* Qboid gives whitequark a Venusian group
<egg|zzz|egg> !wpn rqou
* Qboid gives rqou a conducting halberd/grass snake hybrid
<kmath> <2_wykipedia> 特殊な文字を使って数式を書くと難しく見えるのか https://t.co/tH4tZk0uaL
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* egg|work|egg has too many chrome tabs
* UmbralRaptop grabs egg|work|egg's mouse, and middle clicks on all the links.
<egg|work|egg> UmbralRaptop: when I have too many tabs I open a new window
<egg|work|egg> eventually I have too many windows
<UmbralRaptop> uh
<kmath> <hayBEARS> hello, I am a pine marten. I am such a successful hunter and so adorable that I can pose like this in the snow, and… https://t.co/xmqMetCG5k
<kmath> <eevee> welp time to hang out with glip, which means i spent the ENTIRE DAY fucking with vim plugins
<UmbralRaptop> I feel like eg: magfest would have a bigger effect than anything academic? https://legogradstudent.tumblr.com/post/171630632541
* UmbralRaptop got enough sleep that I can't easily go back, even though it's 6 am.
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<UmbralRaptop> !wpn pixelfox
* Qboid gives pixelfox a harmonic fluent
* pixelfox heavy cruisers in .....
<egg|work|egg> !wpn pixelfox
* Qboid gives pixelfox a Q-switched fox
<UmbralRaptop> 20% more fox per fox.
* pixelfox shields up
<UmbralRaptop> !choose attempt to get a few more hours of sleep|head to campus
<Qboid> UmbralRaptop: Your options are: attempt to get a few more hours of sleep, head to campus. My choice: attempt to get a few more hours of sleep
<egg|work|egg> !wpn -add:adj sleepy
<Qboid> egg|work|egg: Adjective added!
<egg|work|egg> !wpn UmbralRaptop
* Qboid gives UmbralRaptop a magnetic Mew
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<egg|work|egg> !u ~
<Qboid> U+007E TILDE (~)
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<awang> egg|work|egg: When I have too many tabs and windows I save all tabs into a bookmark folder that I'll look at Eventually (tm)
<awang> I'm nearing 80 folders of stuff to go through at this point
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<awang> !wpn -add:wpn monorepo
<Qboid> awang: Weapon added!
<egg|work|egg> !wpn -add:wpn PhD
<Qboid> egg|work|egg: Weapon added!
<egg|work|egg> !wpn -add:wpn DPhil
<Qboid> egg|work|egg: Weapon added!
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<UmbralRaptop> bofh: sorry, really unsure about https://twitter.com/cgbassa/status/971764654933463046
<kmath> <cgbassa> Here's a curious @astropy problem where, when the hour angle of the Sun is zero, the azimuth is 179.723 degrees, no… https://t.co/fJBofURdLf
<UmbralRaptop> The error is too large for UTC ↔ TAI issues, maybe mean vs actual sun position?
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<UmbralRaptop> Equation of time is currently ~10:44, so no?
<bofh> Yeah, I think it's a bug in astropy but I legit have zero idea where.
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<kmath> <astronomolly> My current working plan is to sleep for a few days in September.
* UmbralRaptop pokes Missouri State University in the address harvesting.
<UmbralRaptop> About the Journal 
<UmbralRaptop> Articles 391
<UmbralRaptop> Citations 1384
<UmbralRaptop> IF 0.94
<UmbralRaptop> h5-index 12
<UmbralRaptop> Was that really worth it?
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<bofh> UmbralRaptop: LOL
<iximeow> bofh: so i've kept http://rammb-slider.cira.colostate.edu open in a tab somewhere basically since whenever you tweeted it a few weeks ago
<iximeow> i just got an email from my isp about using 85% of my data plan (?? residential internet data plan ??)
<iximeow> after much concerned looking around (i've not intentionally downloaded that much Stuff) i think that site continues to download latest.jpg while open ;_;
<bofh> iximeow: I think it does and it they're pretty large images (the res on GRB ABI is *impressive*).
<bofh> you *might* want to not do that.
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<iximeow> bofh: they're very large and impressive images! just.. whoops.
<egg|zzz|egg> !wpn bofh, iximeow, UmbralRaptop, whitequark, et al.
* Qboid gives bofh, iximeow, UmbralRaptop, whitequark, et al. an abyssal nozzle
* UmbralRaptop uses the nozzle to vacuum up various tanar'ri.
<bofh> LOL
<awang> egg|zzz|egg: Have I mentioned that the Principia commit messages are great?
<egg|zzz|egg> which ones
<awang> The ones which would get you slapped by Linus if you tried to use them for kernel commit messages
<awang> s/slapped/punched
<Qboid> awang meant to say: The ones which would get you punched by Linus if you tried to use them for kernel commit messages
<egg|zzz|egg> but which ones specifically
<egg|zzz|egg> because I'm pretty sure that applies to all of them
<awang> "moo"
<awang> Or at least that's the one that happened to stick in my head while bisecting
<awang> You do have 13 of those in the git logs, though, so that's not too helpful either
<kmath> <oikvw> twitter culture is assuming all your mutuals look like their icons
<bofh> I mean I'm *totally* a chunk of YBCO that attained sentience.
<UmbralRaptop> :D
<iximeow> im a fish irl
<iximeow> also https://upload.wikimedia.org/wikipedia/commons/e/ea/BaYCusuperconduct.jpg <-- molecular structures are always so interesting
<bofh> the stacked 2d structure (since that's a better description of it than just saying "3d") of Cuprates is complex as fuck.
* UmbralRaptop should probably follow iximeow.
* UmbralRaptop fixes that.
<awang> So much twitter
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<awang> YBCO?
<awang> Oh wow, Unity 2017 broke the dlls into lots of separate files
<awang> btw, anyone have any recommendations for a Linux distro?
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<bofh> awang: Yttrium Barium Copper Oxide
<awang> !acr -add:YBCO Yttrium Barium Copper Oxide
<Qboid> awang: I added the explanation for this acronym.
<awang> TIL what YBCO is
<awang> And why it's interesting
<rqou> which btw you can actually make in your garage :P
<rqou> see the latest Applied Science video
<bofh> ^
<bofh> It's good.
<awang> Time to find my old safety goggles
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<egg|zzz|egg> bofh: so, you're a chunk of YBCO, but what does that mean about whitequark
<egg|zzz|egg> !seen котя
<Qboid> egg|zzz|egg: I haven't seen the user котя yet.
<bofh> egg|zzz|egg: I mean if you know QCD, whitequark should have an immediate implication :P
<egg|zzz|egg> бофх
<egg|zzz|egg> wrong keyboard
<egg|zzz|egg> bofh: whitequark doesn't exist, like a sandwich?
<kmath> <whitequark> Sandwiches *also* don't exist.
<kmath> <whitequark> one day I'll open a bar. Offer sandwiches in sizes: single, half, double, and ppc_f128. Call it "FPU Lounge"
<kmath> <FakeUnicode> @novadasterin @bret_abel @FioraAeterna https://t.co/ODo76ROImB
<bofh> egg|zzz|egg: ^
<egg|zzz|egg> yes I know this one
<egg|zzz|egg> it is good
<egg|zzz|egg> (it's not new, fakeunicode had posted it quite a while ago)
<egg|zzz|egg> bofh: I like the tildes, wave dash, wavy dash, swung dash... tooo
<egg|zzz|egg> bofh: the chart appears to be missing -
<egg|zzz|egg> !u -
<Qboid> U+FF0D FULLWIDTH HYPHEN-MINUS (-)
<egg|zzz|egg> :D
<kmath> <eggleroy> @FakeUnicode @novadasterin @bret_abel @FioraAeterna *tosses the hyphen-minus into the fire**thermal expansion turns it into -*
<egg|zzz|egg> !u ⏎
<Qboid> U+23CE RETURN SYMBOL (⏎)
<egg|zzz|egg> !u ␤
<Qboid> U+2424 SYMBOL FOR NEWLINE (␤)
<egg|zzz|egg> !u ␍
<Qboid> U+240D SYMBOL FOR CARRIAGE RETURN (␍)
<egg|zzz|egg> !u ␊
<Qboid> U+240A SYMBOL FOR LINE FEED (␊)
<egg|zzz|egg> bofh: just looked at the list of things that ping me
<egg|zzz|egg> bofh: egg,float*,double,754,binary32,binary64,Kahan,round*,integrat*,numeric*,RK*,Runge*,oblate,oblateness,n-body,lagrange,principia,prolate,*zygote,𒉭,𓆇,蛋,𠨡
<egg|zzz|egg> bofh: surprisingly integrat* has more false positives than double
<bofh> That's interesting. I wouldn't have expected that.
<bofh> Also, why prolate but not oblate?
<bofh> oh nvm I can't read
<bofh> also why lagrange specifically?
<bofh> also floating hamburger
<egg|zzz|egg> because Lagrange points
<bofh> aww, I was hoping b/c Lagrange polynomials :P
<egg|zzz|egg> yes, that's why floating-ham burger pings me :-p
<egg|zzz|egg> bofh: or Lagrange multipliers?
<bofh> yeah I know :P
<bofh> yes those too :3
<egg|zzz|egg> bofh: nah, but it's a bunch of principia-related words, to spot if somebody says something silly about Lagrange points
<egg|zzz|egg> people don't do that quite as much now, but it used to be rather intensely silly
<egg|zzz|egg> I guess now they're scared of an egg swooping in out of the blue
<bofh> rofl.
<bofh> Nice. I approve.
<iximeow> egg: why *zygote?
* soundnfury gives iximeow a zygoat
<iximeow> !wpn zyegoat
* Qboid gives zyegoat a Müller Charizard
<tawny> you can have something even better than lagrangian points in KSP tho
<tawny> just park your spaceship a few degrees ahead of the mun's sphere of influence on the same orbit around kerbin and it'll stay in that spot relative to the mun just fine
<awang> You know something is screwed up with kill -9 doesn't kill a process o_O
<tawny> now how'd you do THAT
<bofh> iowait
<bofh> egg|zzz|egg: LOL
<iximeow> iowait++
<awang> Good question
<awang> Chrome seems to like to crash sometimes when I close a tab
<awang> Well
<awang> s/crash/freeze
<Qboid> awang meant to say: Chrome seems to like to freeze sometimes when I close a tab
<awang> And apparently "freeze" really means "freeze", since I can't kill the process
<egg|zzz|egg> iximeow: or you could use Principia
<awang> The window is just sitting on my screen
<awang> bofh: iowait?
<bofh> awang: state D in ps
<awang> !u 𒉭,
<Qboid> U+1226D CUNEIFORM SIGN NUNUZ (𒉭)
<Qboid> U+002C COMMA (,)
<awang> !u 蛋
<Qboid> U+86CB CJK IDEOGRAPH-86CB (蛋)
<awang> !u 𠨡
<Qboid> U+20A21 CJK IDEOGRAPH EXTENSION B-20A21 (𠨡)
<egg|zzz|egg> that's nom egg :D
<egg|zzz|egg> s/om/ôm
<Qboid> egg|zzz|egg meant to say: that's nôm egg :D
<awang> bofh: Doesn't seem to work on macOS, unfortunately :(
<egg|zzz|egg> the BMP CJK one has "kDefinition eggs; term of abuse"
<egg|zzz|egg> um
<bofh> um
<egg|zzz|egg> bofh: is there an ideograph for "ill-conditioned; term of abuse"
<awang> Never mind, I think I got something?
<egg|zzz|egg> The expression “ill-conditioned” is sometimes used merely as a term of abuse applicable to matrices or equations
<egg|zzz|egg> best Turing quote
<awang> bofh: ps -dj says all the Chrome processes are state "Z"
<awang> Zombie?
<egg|zzz|egg> see qjmam.oxfordjournals.org/content/1/1/287.full.pdf+html section 8
<egg|zzz|egg> bofh: I wonder whether I should make 60559 ping me too as well as 754
<iximeow> 754 is a good ping
<bofh> why 60559?
<bofh> 754 is an excellent ping
<bofh> also ROFL that Turing quote
<bofh> awang: yep, Zombie. Kill their parent.
<bofh> that should reap them.
<bofh> ps -awxf should give you a nice tree.
<awang> bofh: PPID is parent PID?
<bofh> yes
<egg|zzz|egg> bofh: IEC
<bofh> who the *hell* refers to it by that?
<awang> bofh: ....That's the process I tried to kill
<bofh> wait, is *that* process also marked Z?
<awang> Uh
<awang> Well, it's a bit late now, since Chrome finally decided to finish crashing
<awang> But I'm inclined to say that that process didn't even show up
<awang> There's "Google Chrome Canary" and "Google Chrome Helper"
<awang> The latter were all the zombies
<awang> The former was the frozen one
<awang> Yeah
<awang> There were a bunch of Google Chrome Helpers
<awang> PPID 37547
<awang> 2 instances of Google Chrome Canary
<awang> PID 37549 and 37551
<awang> Actually
<awang> Those weren't even Chrome
<awang> They were some Chrome-internal process called crashpad_helper
<awang> The actual Chrome process is nowhere to be seen
<awang> I took that before you told me the ps flags, so maybe the flags I gave ps wouldn't have shown it
<bofh> ah
<bofh> just do pkill -9 -f chrome next time tbh
<kmath> <CastIrony> @FakeUnicode @novadasterin @bret_abel @FioraAeterna The Dwarves delved too greedily and too deep. You know what the… https://t.co/zuFg3aC8jG
<bofh> egg|zzz|egg: ^