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6:00 PM
It's not like the algorithms change from language to language, just how to implement them. And that's all basically knowing the syntax and how to find functions and libraries you need
 
@JimsBond I forgot your undergrad.
 
The internet has online training sites for language syntax, and a good IDE always has built in help stuff for finding and using functions, etc
 
@JimsBond This is why I keep telling people to learn programming and not a language.
 
exactly
 
@KyleKanos But all you ever need is Java, right?
Why would you ever need anything else?
 
6:04 PM
hahahahaha
 
@0celo7 Does Java even have MPI?
 
@0celo7 Please go to SO and say that.
 
If no, then it's useless for many scientific applications
 
Don't go to SO and say that!
 
@0celo7 The door is that way...
 
6:05 PM
You will be lynched
 
@KyleKanos I'm sure that can be circumvented.
 
No, Java doesn't cut it sometimes. For instance, java can't do what SQL does
 
Is there an SO chat?
I just made an account.
 
and it's not as fast as FORTRAN
 
@ACuriousMind Working on it
 
6:07 PM
@0celo7 IDK. Pretty impossible to do N-body simulations w/o MPI
 
can't do symbolic math like Maple or Mathematica
 
@JimsBond Nothing is as fast as Fortran....
 
@KyleKanos Sure it is
 
@KyleKanos Assembly language is faster
 
@JimsBond I'm sure it can
 
6:07 PM
or machine code
 
@0celo7 If N < 100, yes. If you want to actually do real research, you want $N\sim10^7$ or larger
 
@KyleKanos I'm sure you're wrong.
If everything is better than Java, why do we use it?
 
@0celo7 Stop being a 17 year old
 
Czech. Mate.
@KyleKanos 17 3/4
 
@0celo7 Because there are some things Java is useful for, like web applications
 
6:09 PM
@0celo7 because it's user friendly sometimes
but we are working away from it
 
Each language has it's own niche that it's very useful for
 
I can't find an SO chat
Is there even one?
@KyleKanos Java just happens to be the best in all niches.
 
I wish I could dive into the computer and throttle you...
Troll
 
@KyleKanos Practicing for 1261232
123213153526465
etc.
He replied.
 
I saw you mention that earlier
 
6:12 PM
...and I have no clue what he's talking about, so I can't judge it either way
@KyleKanos again
I sent something this morning before I left home
 
@0celo7 I think there's only one person in the world who does understand what he's talking about
Which is probably a bad thing
 
@KyleKanos Witten? Susskind? Weinberg?
 
...himself
 
@0celo7 ...think again.
 
Which post are you guys talking about ?
 
6:14 PM
-1
A: Why is the momentum of a particle $\gamma mv$?

user12262 Am I missing something here? Well, you (among others) seem to be missing that to measure "momentum" is defined through the application of the gradient of the translation operator $\nabla \hat T_{\mathbf r}[~] := \frac{d}{d \mathbf r_{\mathcal S} }[~]$ to what's given through observational da...

Specifically his recent comment,
@0celo7: "This is a deterministic classical system, not a probabilistic quantum one." -- As far as I understand the OP question it is concerned with attributing and measuring momentum values, e.g. of objects (such as $A$) wrt. to suitable systems (such as $\mathcal S$). There doesn't seem to be any requirement or exclusion being made concerning some categorizazion as "classical or quantum"; whatever you might mean by that. "doesn't $\hbar =0$ [...]?" -- Perhaps you mean cases or limits in which $$\frac{m_A~c^2~\Delta \tau_A}{\hbar} \gg 1 $$ ? ... — user12262 3 hours ago
This is most telling:
> There doesn't seem to be any requirement or exclusion being made concerning some categorizazion as "classical or quantum"; whatever you might mean by that
 
@ACuriousMind He says it is quantum, but uses a velocity. Please destroy him.
 
The fact that he doesn't see a difference between classical & quantum means he doesn't understand physics
 
Am I crazy to think QM and CM must be treated completely differently?
If Wald taught me anything, the structure is quite different.
 
@0celo7 I have given up trying to talk sense into 12262.
 
@ACuriousMind We can never give up hope!
What if Reagan had said that to Gorbachev?
 
6:17 PM
Isn't it the same guy who always over-states any given simple point ?
 
@0celo7 Well, I think 12262's point is that there is nothing, when looking at a physical system, telling you whether to use a classical or a quantum description of it.
Fundamentally, all systems are quantum. It's just that you get away with treating some classically ;)
 
@ACuriousMind Except for gravity, of course.
 
@0celo7 Yes, notoriously.
 
@ACuriousMind It would be ultimately ironic if gravity turns out to be completely classical.
@ACuriousMind But why is $\hbar$ showing up in a classical question?
Why are there wave functions in classical mechanics?
 
@0celo7 There aren't, 12262 is doing their own homebrew semiclassics.
 
6:24 PM
Funny, I just thought about writing up an answer to that question that 12262's answer is on
Then I realized I did write an answer
And it's accepted
 
Good for you
Some of us are busy, working for a living
 
Funny how nobody believed me when I called him out on being a troll years ago and now it's common knowledge
 
@JimsBond I believed you
 
@0celo7 You weren't a user here back then
 
@JimsBond I don't recall, but I probably would have agreed.
Then again, I think most everyone is a troll until proven otherwise
 
6:28 PM
@JimsBond Don't hate the playa
@KyleKanos I don't want to know where I am on your list
 
You're obviously a troll
18 mins ago, by Kyle Kanos
user image
 
@KyleKanos Maybe, but I ended up having to try to prove it to dilaton, dimension10, davidz, ben crowell, and a couple other and they ended with "plausible deniability"
 
@KyleKanos Not really
 
Anyone watching tennis here ? Specifically, Wimbledon.
 
I imagine my entry is more like: 0celo7 -- Underage knucklehead. Still hope? Maybe.
 
6:30 PM
@0celo7 You sure there's a "Maybe."?
 
Nadal's getting the shock of his life.
 
No hope until he's 24 (at least)
 
@0celo7 More like: 0celo7 -- urge to kill: rising
^ Simpson's reference
 
@ACuriousMind D:
@KyleKanos 24 is a long fucking time
@JimsBond Or Freudian slip you conveniently explained away
 
According to you, it's 6.25 years
 
6:34 PM
@0celo7 6.25 years is a long time? Why you have to make me feel so old?
 
@KyleKanos I'll be getting my Ph.D. by then.
 
@0celo7 Presumably
 
or a bum sticker
 
@0celo7 pics or it didn't happen
 
You could be be sullied by politicking
 
6:34 PM
I'm still not on my PhD
 
I just got my PhD and I'm 31
 
@JimsBond I'm doing a 5 year MS/BS program
 
5 years for each :D
 
lol
Fuck me, that tution
 
politics and stuff happens. I was supposed to be on year 3 by now
 
6:36 PM
Why would an MS program take 3 years?
 
year 3 of PhD
 
oh
Do you even have an MS?
 
yes
 
So are you in a Ph.D. program?
 
nope, thanks to politics
 
6:37 PM
Wtf are you doing then?
 
waiting
 
Eating cheese under a bridge?
 
....... no comment
 
@JimsBond What does that even mean?
How are you sustaining life?
How are you not under a bridge eating cheese?
@KyleKanos You got slowed down by kids, presumably.
 
1) that means I'm waiting to start a PhD later than anticipated. 2) I sustain myself on tutoring and savings and (hopefully) a new job
 
6:41 PM
Tutoring?
Whom do you tutor
 
A PhD at 31 is not much of a slow down. 4-5 years of undergrad, 2 years of MS, and 4-5 years of PhD gives room for 10-12 years of university
 
Slowed down by a bunch of things: personal issues, changing major, doing 2 year MS program in Theor. Cond. Mat. Physics, then doing the PhD with an advisor who did a 10 year PhD and felt that was "normal"
 
What job can you get as a cosmologist without a PhD?
 
if he started at 19, there's your 31
@0celo7 Job at a bank
 
@JimsBond Job or career?
 
6:42 PM
I think most of my classmates were in the 28-32 range when graduating
 
@0celo7 yes
@KyleKanos see, my math holds
 
I kinda think that getting the PhD at 24 means you're damn special
 
@KyleKanos By "getting" I meant "working on".
 
Assuming graduating at 18, that's 4 years for a BS and another 2 for PhD
That's effing insane
 
one of my professors got his job as a professor in his late 20s. That was unheard of
 
6:43 PM
@JimsBond Newton was like 19.
 
that was hundreds of years ago
 
And he lived 400 years ago! You're a loser if you can't beat him.
 
^ Troll
Only proving my point
 
wtf
Shit
 
Plus, that'd give you <1.25 years to "beat" him
Else you are a loser
 
6:44 PM
@KyleKanos I already know calculus.
 
@0celo7 Thanks to Leibniz
 
JiK
My MS and BS thesis advisor got PhD at 24.
 
^^
 
@0celo7 Newton didn't even know calculus when he got his PhD
 
I never said I'd have the PhD at 24.
@JimsBond I already beat him.
 
6:46 PM
@JiK Did he do it in 2 years from the BS? Or did he get to Uni early (e.g., 16 y/o) and do it in ~4 years?
I mean, I'm not saying it's impossible, but it's something special for that to happen
(and probably something special for a 10 year PhD program too)
 
well, if you get in at 18 and do a 3 year BS and go straight to PhD and take 3 years, you could get it by 24
 
JiK
@KyleKanos Started Uni at 18, 3-4 years for MS, 2-3 for PhD
 
Average completion time in the US is somewhere around 5 to 5.5 years
 
@KyleKanos and the money only lasts for the first 4
 
@JimsBond Ours is guaranteed 5 years (really 10 semesters)
And by ours, I meant at my (former) program
@JiK In Physics? What's his/her name?
 
6:49 PM
Really? ours is guaranteed for the amount of time the school thinks it should take to complete the degree. 4 years is standard
 
It actually used to be guaranteed 5 years after passing the oral & written qualifier
 
JiK
@KyleKanos Mikko Möttönen
 
Which you shouldn't take the qualifiers until after your 2nd year (at the time, they later changed it to 1st year)
So it was really ~7 years of guaranteed money from the department
 
@KyleKanos wait is this 5 years guaranteed with your american "masters and PhD programs aren't usually separate things" system?
 
After that, you were on your advisors money
Or unpaid
 
6:51 PM
because we have 2 for masters + 4 for PhD
but you need to separately apply and be accepted for each of them
 
@JimsBond Probably. We don't have separate programs (officially, anyways), though they do allow for terminal masters
 
o/
 
People have horrible handwriting.
This person appears to be named Cuntiso.
 
@Danu \o
 
:D
 
6:53 PM
@KyleKanos not the same then. 5 years for a PhD straight from a BS is reasonable. Our 4 is for a PhD after having a MS
which I guess means we have 1 extra paid year
 
user54412
@Danu \o/
 
@ChrisWhite Was waiting for that
 
Lol...almost could have been terminal hamsters
 
@all Has anyone played Sleeping Dogs?
 
6:55 PM
It's on sale now.
 
@KyleKanos at first I thought it was. My recent post on the main site has a few comments all talking about hamsters, so I carried that over to what you said
 
@KyleKanos :D :D
 
It's good of universities to allow terminal hamsters
 
For those who care: I finally managed to get out that relationship limbo situation I had going ;D
 
Are there then also initial hamsters?
 
6:56 PM
(the current situation is possibly even more confusing, though)
 
@ACuriousMind Not sure. I thought terminal hamsters were hamsters with terminal diseases
 
@JimsBond How terrible :( Couldn't they have been the workers at an airport for rodents?
@Danu Confusing for whom?
 
user54412
Us, clearly. Also the hamsters.
 
@ACuriousMind All good suggestions that are much nicer than my original assumption
 
@ACuriousMind Everyone involved. Although it's getting cleared up over the past days.
But it's confusing in an exciting way ;)
 
7:05 PM
@KyleKanos Do I get another evaluation in 6.25 years? Is that decision final?
 
You get continual evaluations
 
Can I get a rubric for this?
 
@KyleKanos So in many ways, it's like being in a 'romantic' relationship.
 
...why is romantic quoted?
 
rather than discrete evaluations, think of it like a continuous spectrum of evaluations. Your status can be found by integrating the evaluations over time
 
7:10 PM
@0celo7 That would indicate that there is a rubric.
 
@KyleKanos Romance has been found to fail under intense scrutiny.
 
@KyleKanos What must I do?
 
@tok3rat0r I'm not sure what you mean by that
@0celo7 Besides stop being a troll?
 
I'd like to make it known that I'm nobody's mother :S I presume that "mom" is an abbreviation of one moment, though I've never heard it before.
 
@0celo7 You must learn to use the force, if you are to come with me to Alderaan
 
7:12 PM
@KyleKanos I'm not trolling!
@JimsBond Ok old man
 
yesterday, by Kyle Kanos
mom, I'm going to make a picture of it. — Zaibis 5 mins ago
 
@KyleKanos I mean that the very fact one is under continual evaluation and assessment tends to suck the romance out of such situations.
 
@innisfree Random
@KyleKanos Name one instance where I have trolled.
 
@innisfree I saw that
 
@0celo7 Just call me Jimbiwan Kenobi
 
7:13 PM
@tok3rat0r I see. Good thing I'm married
 
@Danu isn't that what they call the "spark" in a relationship ;)
 
@JimsBond No
 
New physics at LHC 13 TeV: $E_T$ phone home
I've got an amusing title, now I need some content :D
 
@skillpatrol It's more complicated than that :P
 
@innisfree Tabloid journalists don't seem to think so
 
7:16 PM
@tok3rat0r haha, very true.
 
The best ones always are...@Danu
Hi @DavidZ :-)
 
@skillpatrol Perhaps.
 
Can't live with them, can't live without them ;)
Old U2 song^
iirc
 
^ ~10 years older than you
 
@skillpatrol Hmm, how did you reference a post on mobile?
@KyleKanos I'm sure I can find something 10 years older than you.
Dinosaurs, for one.
 
7:28 PM
@0celo7 the same as on a PC
 
@skillpatrol oO
Please share your knowledge.
 
Click on the left hand side of the message you want to reference
 
@0celo7 Undefeated Dolphins team wins the Superbowl
 
oO
I can't click the left side of the message on mobile.
Can someone else on mobile confirm please?
 
On the mini?
 
7:31 PM
iPhone
iOS should be iOS
 
I'm on the iPad
 
there's nothing to link or click there
 
I'll get mine out.
@KyleKanos This.
@skillpatrol Does your mobile chat look exactly the same as PC?
 
Yes, I use the full site option.
 
I'm on Linux
 
7:33 PM
@skillpatrol Oh, that's cheating.
That doesn't work well on phone-sized screens.
 
True
 
@KyleKanos Why are you such a hipster?
 
Because he's hip?
 
@0celo7 Hipsters don't use Linux, they use Mac
 
It's hip to be square :D
 
7:35 PM
@KyleKanos I've never understood why Mac is considered hipster.
 
Because Linux is probably viewed as too tough and Windows is for 90% of the population
 
I grew up in an extremely conservative family, and I'm being shunned for my recent PC excursion.
 
@skillpatrol It's pelvis to be cubic
2
 
@JimsBond It's coccyx to be linear.
 
7:37 PM
.....I have no words
 
What did I do now??
 
Not even for the quintic?
 
@KyleKanos I only know this because of American Psycho, lol
 
@Danu Huey Lewis or the song itself?
 
Both.
 
7:40 PM
@JimsBond Are you referring to what I said? I need feedback for the knucklehead-o-meter!
 
@0celo7 I'm no doctor, but I think you missed the kicker of what I said, and then kinda sorta killed it by carrying it further. But again, I'm no doctor
 
@JimsBond He has a knack for not dropping things ;)
 
Youth must be served
 
What does that even mean!?
 
Google is your friend
 
7:48 PM
I see we have reached point "This chat makes no sense!" again.
4
 
sorry, my fault :(
Again.
Hi @alarge :-)
 
@skillpatrol Have never heard that phrase before. I thought it was something from one of the dustier recesses of your mind-palace.
 
@Danu ?
 
(My mind palace would be more like a garden shed. With a broken lawnmower and an odd number of gardening gloves)
 
@JimsBond I think I hit the kicker perfectly.
@JimsBond Is there some connection between pelvis and cubic?
 
7:55 PM
Yeah, I thought @0celo7 's comment was the punchline
 
I get the obvious hip -> pelvis and square -> cubic.
I went pelvis -> coccyx.
Should I have gone with quartic?
 
That would have been out of order
 
I was out of order by going with linear.
Is that the complaint?
I'm not sure what I missed...
 
Yeah, I used cubic as it relates to square shape-wise. Linear doesn't match because a line segment is any shape in 1D. But my line was essentially taking the "hip to be square" and translating it into more "nerdy" or technical sounding lingo. Hip->Pelvis. Square->Cubic.
 
You should have done "quadratic" then.
 
7:59 PM
quadratic isn't about the box-like shape
 
A square is quadratic.
 

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