The h Bar - 2016-10-03 (page 3 of 5)

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6:06 PM

@DanielSank ^

@user129412 You have the ping the only person who could possibly answer.

Interesting experience: just started writing a mod self-nomination. Then I read it back to myself and realized absolutely nothing about how I (want to) contribute to the site requires mod powers. That is really awesome. SE is cool.

@user129412 Sort of, yes.

Consider a signal from 900 MHz to 1100 MHz, i.e. centered at 1 GHz.

Put that signal into the RF port of an IQ mixer with a 1 GHz tone going into the LO port.

Now you get two signals, one from the I port and another from the Q port.

Those I and Q signals can certainly be thought of as the real and imaginary parts of a complex signal.

In this case, what looks like "positive" and "negative" frequency is coming from stuff to the left or right of the 1 GHz carrier.

Does that make sense?

@DanielSank lol

KATHARSIS

(C?)

@Danu I mean it though. It's pretty awesome that all of the stuff beyond just writing questions and answers that i like to do here are... well... doable.

...without special status.

^^

6:22 PM

@Danu made lunch for some friends yesterday.

Invented a new sandwich.

We call it the "shakshuka slider".

What a name

user218912

@0celo7 what kind of music did you like when you were into physics?

I don't usually name my sandwiches.

I've lately experienced a renewed appreciation for cucumber + tomato + cheese

d00d

But you really need Dutch cheese, and not the crappy kind they sell in most countries :\

6:23 PM

That's a winner combo.

Yeah :D

Classic

@Danu Oh come off it. We import your cheese, you know.

@IceLord what kind of question is that?

Wait are you saying that you guys don't export the good stuff?

Yes

Gouda outside Holland has usually got nothing to do with Gouda.

user218912

6:25 PM

@0celo7 I want to listen to that kind of music to improve my physics skills.

wat

(also pronunciation is key---English pronunciation of Gouda is hilarious)

(a) that's dumb (b) I was never good at physics

It's usually way too soft and creamy

And tastes like fat

user218912

@0celo7 yes you were, well by my standards at least.

6:26 PM

@Danu Yes, I know that the Dutch prefer to essentially cough up the G sound.

"kxhowda"

so it's not goo-da

@0celo7 But it tastes good-a.

eyyyy

@DanielSank Hahaha

@DanielSank I describe it more as gathering spit (you know, like Di Caprio in Titanic :D)

@DanielSank Can you write TeX on your blog?

6:27 PM

@0celo7 Soon.

Can use mathjax. Just have to figure out how to deal with one or two peculiarities.

With packages?

@0celo7 Well, since it's my webpage I can use \newcommand as I see fit.

Interesting profile

What is the physical process in which a wave travels through a medium? Obviously there are collisions between the particles of the medium (string, air, water, etc). Though, I can't quite understand why one wave would travel faster than another if they have the same amplitudes...

@Obliv vibrations

@Obliv For small amplitudes, speed and amplitude tend not to depend on one another.

user218912

6:31 PM

whose idea was it to place my university residence 30 minute walk away from the campus...

Also I'm running in circles. @0celo7 I tried to understand why two methods of producing a transverse mechanical wave create different wavelengths. I came to the conclusion that (supposing you give them the same amplitude but just at different 'rates') it's related to a fixed wave speed. The wave speed carries the wavelength. This idea is similar to placing items on a conveyor belt. If you place them all at once then they move all at once.

@DanielSank hmm

user218912

I have to walk for 1 hour just to hand in a problem set.

how does one use newcommand to program the \qty() function from the physics package?

@IceLord get a car.

@IceLord Get a bike.

user218912

6:32 PM

@0celo7 I have a license but there are no parking spots available.

^ communist Canadian spotted

whoops

I meant @HDE226868 ofc

@DanielSank If this is the case, then what is speed related to?

user218912

@HDE226868 my bike has auto release wheels and seat.

user218912

and there are bad people around.

@DanielSank well once you figure out how to run mathjax w/o kinks can you show me?

6:34 PM

@IceLord Ah. Then under no circumstances should you get a bike.

@IceLord what does this mean?

nvm @daniel I understand actually. It's related to the initial energy you give the wave. That and the inertial property of the material.

user218912

@0celo7 it means you can remove the wheels and the seat by flicking a clip and it takes less than a second to do it.

hmm, why would you want that?

user218912

so I bet if I lock my bike somewhere when I get back it will have no wheels or seat.

6:35 PM

wtf do you live in Detroit?

user218912

no xD

@0celo7 Of course. In the mean time I recommend learning to use git.

@Obliv There's more to it.

@DanielSank I don't know how to do that, besides asking my sister

Who will probably be unhelpful

user218912

@0celo7 university students are desperate to pay off their debts.

I thought in Communist Canadia college is free

6:36 PM

@0celo7 Have you considered reading one of the many tutorials available to you, for free, through the intertubes?

user218912

I see wheelless and seatless locked bikes all over campus.

@DanielSank No, because I'm not sure what I need git for.

What prerequisites are there?

@0celo7 don't learn git, learn hg

etc.

waaaaay better

6:37 PM

Mercury?

mercurial

tortoisehg.bitbucket.org/download

Is mercurial better for some reason?

yah well I want a blog that @DanielSank can help with

Git seems to be the de-facto standard these days.

@DanielSank much easier to use

much, much, much easier to use

6:38 PM

@EmilioPisanty In what way?

I fully recognize that git is designed to be ultimately powerful, often at the cost of a steep learning curve.

@DanielSank Has a stable, workable, intuitive, cross-platform, open source, and fully-powered GUI

Name one with that full set of characteristics for git and I'll happily give that a go

@EmilioPisanty Probably unsurprisingly, a GUI is not really a selling point to me.

@EmilioPisanty I can't because I don't really want one.

But anyway I'd be willing to bet 10:1 odds that github's tool does what you want.

@DanielSank sure. But I really hate this meme among the hard-core git enthusiasts that GUIs don't matter at all, just plain zip, and that if people want GUIs then they're just whiners who can't take a console window.

No Linux apparently, but in my experience, most linux users are perfectly happy to use a command line interface.

@EmilioPisanty Did I say that?

And then they wonder why their software doesn't get wider use

6:42 PM

@EmilioPisanty o_O Doesn't get wider use? I refer you to github.com.

@DanielSank you definitely didn't.

I don't understand how you can't want a GUI

But it still riles me up.

@0celo7 wait, what?

@0celo7 "Can't not"

Wait.

6:43 PM

@EmilioPisanty QED what? Dude, you can just use the github web interface and never touch a command line.

Too many negatives.

You're making up a problem that's been fixed for years.

@DanielSank I said "cross-platform" ;-)

OK, so here's my use case

I use source control for papers

@EmilioPisanty Yes, well, I believe the web is relatively cross platform.

@EmilioPisanty Me too.

@danielsank is there more to it? I can't imagine anything else that's relevant in the transfer of velocity of the particles of a medium besides the density of the medium and the initial velocities of the particles.

6:44 PM

We should have a conversation about that some time.

@DanielSank fine, I'll leave you waiting while I write one long post

Unless you're referring to the real world in which I agree there is much more to it.

@Obliv The initial velocities of the particles don't affect the wave speed (I'm assuming we're talking about small amplitudes where the waves are linear).

@DanielSank @EmilioPisanty I just want some blog platform with no bells and whistles where I can just put TeX

Look, here's a cross platform GUI for a git repository.

6:45 PM

I don't want any BS

You can edit, make branches, merge... whatever you want.

@0celo7 Do you want people to be able to view/suggest edits on the source?

or do you just want to post compiled pdf's?

@0celo7 don't make TeX a driving concern. Choose whatever bloggamajig thing you want to, and then add in MathJax later.

I want to just have something more organized than a giant document with a billion things

@EmilioPisanty TeX is the driving concern. I had a blog for a month that I stopped because I had to do special things to get TeX to work.

@0celo7 I strongly suggest organizing your TeX files in a modular way, and putting them in a source controlled repository. Now, exposing that as a website that others can see is a separate issue. Perhaps we can do both at the same time, and I could make suggestions about that, but I recommend focusing on the first part first.

@0celo7 As in, you couldn't add MathJax?

6:47 PM

wait what @daniel can I get an explanation

I couldn't use macros, packages, and $$ didn't give equations.

@0celo7 You have to configure mathjax to make $$ work.

Read the docs.

I was using Wordpress

You need to actually read this.

@0celo7 MathJax does have macros

packages is maybe-yes, maybe-not, read the docs to see what's supported and what's not

if you want a package that's not in MathJax, then odds are that you're asking too much

6:49 PM

I thnk it's better to focus on good TeX file organization etc, and then worry about the website part later.

man.. @daniel I thought I had it all figured out. How can the initial energy of the wave not affect the speed of the wave?

@Obliv For small amplitude waves, the amplitude and speed are independent. Now, why this is the case requires some thinking.

I use source control for papers and I'd like my adviser to click in to that, since that would allow him to edit the source without all the hassle of back-and-forth that git/hg were designed to avoid. I use linux on the desktop, he uses windows. If it's not a huge hassle then I can probably get him to switch, but it needs to be a GUI and it can't have too steep a learning curve. I also want to be using the same app as him in case he needs something fixed, so I can just jump in and fix stuff.

@DanielSank I tried to read your guide and became utterly lost after 5 minutes.

TortoiseHg does that.

6:51 PM

Typically, for small amplitude (linear) waves, the following are true:
1) Wavelength depends on frequency.
2) The phase velocity is frequency/wavelength.

Git doesn't.

I just type things, I don't understand a thing about computers.

Well I can understand why amplitude and speed are independent. Before you corrected me, I thought the speed depended on the initial energy given to the wave. The amplitude can clearly be independent in this case as amplitude is not necessary in this description of speed. @daniel

@EmilioPisanty I feel that you're making this argument without having actually investigated the possibilities with git.

Your adviser could simply go to your github page, click the "edit" button, and edit the files.

All he/she needs is a web browser.

...which is decidedly cross-platform.

@DanielSank Maybe I haven't. I spent a week (probably two?) looking for and testing alternatives a couple of years ago, and I spend a day or so every six months or so to see if things have changed. I suppose I could do more to scour the web.

6:54 PM

@EmilioPisanty Right, but you were probably looking at desktop programs, yes?

Github saw the light and put their effort into a web GUI.

And it's very, very excellent.

@DanielSank That sort of misses the point. Source control needs to sit beside the usual development cycle, not dictate what you can and cannot use to edit files.

@EmilioPisanty I don't understand what you mean.

When the github file editor starts having simultaneous TeX previews a la TeXMaker, I'll consider it.

If I have a git repository with a clone on github, I can edit either in my favorite desktop editor or through the web GUI.

@DanielSank which GUI?

the non-cross-platform one?

6:56 PM

@EmilioPisanty see edit

@EmilioPisanty By "windows-only" perhaps you mean the "windows and mac" one?

I still don't really see what workflow you're proposing, tbh

edit files locally and then copy-paste into the web GUI?

^ No!

For fuck sake Todorov

Are you using $^*\Bbb R$ or $^\rho \Bbb R$

Make up your mind

Language!

@DanielSank Or how do you use the web GUI to download, edit locally, and push to a github repo?

6:59 PM

1. Make a git repository with your paper in it.
2. Push it to github
3. You can edit on your local computer however you want, i.e. Texmaker.
4. Your adviser can edit however he/she wants. If they know git, then they can use Texmaker. If they don't, they can use the github web GUI. If they want to use a local editor like Texmaker *and* they want a GUI interface to git, they can use [one of the bajillion desktop GUI's](https://git-scm.com/download/gui/linux), including the github official one I already linked.

Apparently $^\rho \Bbb R$ has nicer properties for like analysis and such

But I have no idea what

@EmilioPisanty You don't. That's silly.

@DanielSank Sure.

TortoiseHg does all of that, and it lets me use the same app on my desktop.

@DanielSank Sure, mathematically $\lambda = \frac{v}{f}$ but what about a physical description for an example in reality? I would like to know specifically what is happening in a wave that causes its wavelength to be shorter/longer than another wave in, say, a string. In the same way, I want to know why the speed of a wave differs. (One equation is $\sqrt{\frac{\tau}{\mu}}$ in which $\tau$ is the tension in the string and $\mu$ is the linear mass density of the string.)

@EmilioPisanty "Same" as what?

7:03 PM

@DanielSank See use case above.

I think you're basically saying "Hg > Git because Hg has a GUI that works on both my OS and my adviser's OS".

I mean, ok... fine.

@DanielSank Yeah, that's sort of what I said.

I don't use a GUI at all, so I don't care whether or not there's a GUI that works on my OS.

@DanielSank That's fine.

This equation gives the speed of a wave in a string. Not sure if it's a complete one. I think the speed of a transverse wave in the string then depends on the initial energy given (increasing the tension in the string?) @daniel and then if the wavespeed is dependent on the tension then wouldn't the wavelength be dependent on this wave speed?

7:04 PM

It's when people dismiss others' need for a GUI that I tune off

However, most of the people who say "I need a GUI" are Windows or Mac users, and there are excellent Git GUI's for those platforms.

which is disappointingly often when git is being discussed

That combined with the fact that git is clearly the more widely used tool makes the decision to use Git rather obvious, to me.

@EmilioPisanty I didn't do that. In fact I linked you to dozens of GUI's that work on all sorts of platforms.

@DanielSank Sure. Also partly due to the fact that because of this demographic, people tend not to develop GUIs for linux, which just reinforces the split.

The only possible shred of argument left here is that Git might not have a single GUI that works on all the platforms you care about.

@EmilioPisanty There's no split!

I think it's rather clear that Linux users understand the need for GUI's, hence the laundry list of them I already linked you to!

7:06 PM

@DanielSank Fine: which just further discourages the uptake of linux as a general-use OS among non-command-line folks.

@EmilioPisanty What?

I'm using Linux with a very nice pretty desktop GUI right now.

I will never go back to Windows.

I was a Windows user almost my whole life, and one month of Linux changed me forever.

The fact that I prefer to use git through the command line has nothing to do with Linux versus other OS's.

@DanielSank It's nothing against you.

I want to use git through the command line because it's faster and saves me from injuring my wrists and hands with undue mous/trackpad use.

@EmilioPisanty What are you arguing now? I'm confused because this started with you saying that git doesn't have a GUI that works on multiple OS's. I've argued that a) that's not really a big deal anyway, and b) yes it does.

Now you're on about general Linux usership etc.

@DanielSank And yeah, I saw that list ages ago, and tested just about every one of them. A few can hold a candle to tortoiseHg, but none of them really top it.

@EmilioPisanty Ok. FWIW, I think choosing a tool based on the quality of GUI's available right now, and throwing away information about which tools has wider adoption, is possibly not a good idea.

7:12 PM

@DanielSank I'm not throwing the tool away. I do use git quite extensively.

Oh, also there's overleaf.

I just think hg (and specifically TortoiseHg) is better.

Particularly since Bitbucket has equivalent functionality to github for many of my purposes and does host mercurial repos.

What is wrong with Windows?

@EmilioPisanty You know there's Tortoise git, right?

@DanielSank You ever use it?

I have.

7:13 PM

@EmilioPisanty Nope.

It's nowhere near a serious contender, unfortunately.

@DanielSank Indeed. There's also sharelatex and authorea. So those might be useful on some collaborations. I like my source local, though - not sure it works on those platforms.

@EmilioPisanty Me too, which is why I didn't use overleaf on my latest paper.

I'm not sure if there's a way to use overleaf with local repo, but since it's just git you'd think there would be.

7:29 PM

Hey @ACuriousMind do you know if there is a physical interpretaiton of the Kahler identities?

I know that I've been hauling boxes for nine hours and can't think complex thoughts right now

I've heard that there is a physical way to arrive at Calabi-Yau as a requirement for nice low-energy effective theories to arise

@EmilioPisanty Mercurial is shit

So I'd expect an interpretation of the Kahler condition and the associated Kahler identities

Okay, @ACuriousMind :) Just keep it in mind!

Next q: Why did you start only at 12:30? lol

@BernardMeurer To each their own. That's some wonderful and well-grounded argumentation there, though.

7:32 PM

@EmilioPisanty I wasn't trying to argue, I was just stating something, if you ask me to back it up I will.

@Danu It took me time to set up my computer, I started hauling at 11am, and my flatmate and some others at 8. We moved me, my flatmate and his girlfriend today.

Also, "rob" has now self-nominated for mod.

@ACuriousMind OK :)

@Danu rob?

Good job

@BernardMeurer Yeah

Who's that?

7:33 PM

See for yourself.

@Danu Hmm, weird

Last minute nomination, 25 mins to go!

@BernardMeurer I don't really care. If you actually have interesting reasons not to use mercurial I might be interested in reading them. If you're just trying to jump in with a crass comment at the end of a discussion without reading any of it, then that just says more about you than about the subject matter.

@EmilioPisanty I did read it

SHOULD I NOMINATE?

jk I won't

7:34 PM

@Danu Yes

please do

lol

But you brought up one of the reasons why I shouldn't

seriously

so confuz rite nao

@Danu did I?

Yeah, when you explained why you wouldn't :D

7:36 PM

@Danu Yeah, but you should still nominate

I don't really know what I'd have to offer that the other candidates don't.

At best, I'd be a sort of weak version of ACM :P

@Danu where by "weak" you mean more experienced, even-keeled, and less divisive?

(not that I think any of the three is a problem with ACM - I'm just saying you've got an edge in some parts)

I think the flak that ACM is getting the past few weeks will subside soon enough.

@Danu I hope so too, and I think it is pretty much completely unjustified

but flak he does get

Also I'd hardly call myself more experienced; I cannot possibly match his dedication to the site.

7:40 PM

@Danu You do know your way around the mod tools already, though

@Danu More experienced in the moderation side of things

Sigh...

You guys are really flattering me---but I think I shouldn't.

Also, ACM running is not an argument at all, there's two positions open.

I want to on some level, but it's probably for the best if I don't.

I'm not eligible, else I would.

7:41 PM

0celo7 for mod

@0celo7 No offence, but I'd vote for Danu over you

I mean no offence, but that'd not be fun :p

@EmilioPisanty Here's my point:
1. Git is more used. This doesn't make it better *necessarily*, but it makes it easier to get help with, find learning material, and increases the odds of someone having had the same problem you have.
2. Git (Mostly through GitHub's work) is INSANELY well documented. Sure, the GH docs are long and boring, but it's mostly all there.
3. If you're on Linux you shouldn't need a GUI. If you're on OSX/Windows there are great GUIs (Such as GitHub's own)
4. You can use GitHub: Although I think theoretically it works with Mercurial too, it's obviously meant for git, a…

@EmilioPisanty Id vote for Danu over you too

hahaha

stop it guys :P

7:43 PM

I love Danu

No you don't :P

You can't read my mind.

@0celo7 That does make me think you're a reasonable person.

Bye

Aug 21 at 22:00, by 0celo7

@Danu You're being a bully again

Jun 8 at 21:19, by 0celo7

You're a bully

Jan 12 at 20:09, by 0celo7

@Danu wow bully

[list continues...]

7:44 PM

what a huge baby

@BernardMeurer meh.

YOU DON'T LOVE ME GIRL

Hi all

with all due respect, no. 3 is pretty much bullshit

and no. 8 is just plain wrong

or wrongly formulated, if you will

as for the rest... meh.

@EmilioPisanty Not from my experience, (8 that is)

7:46 PM

@BernardMeurer Advanced git may in fact be easier than advanced hg. From the get-go? no way in hell.

But again: meh.

I just want to confirm that when referring to quantum states being in a Hilbert space, the Hilbert spaces are just taken to be some vector space with an inner product which makes the induced normed space complete (for finite dimensional normed space with inner product it is automatically a Hilbert space) and when projecting onto the position basis, the Hilbert space refers to particularly the $L^2$ space? Is this correct?

arguing with git fanboys is about the most futile activity on the internet.

@EmilioPisanty Really? Noob git was super easy for me, but I'm a CS guy so maybe my brain is wired like that

Do like me

Back up everything on floppy disks

like a real man

@EmilioPisanty Why would No.3 be bullshit?

7:47 PM

@Danu my hate for you was just misdirected love

@acuriousmind want to answer a really quick and trivial question about waves that you probably already know without complex thoughts

@BernardMeurer Yeah, there does seem to be something about CS-wired brains that just makes them seem predisposed to discount others' experiences as somehow less valid.

@0celo7 I'm saving this one.

@Alex yes

@EmilioPisanty Huh? I was just sharing my experience, never said a thing about yours

7:48 PM

@BernardMeurer If you can't see it then I'm too tired to spoon-feed it to you.

@Danu I will leave my current relationship if you will take me

Anyways, I'm definitely not running for mod @Emilio @ACuriousMind---I can already help out (through e.g. the moderator chat rooms) in my current situation

@Obliv You've been here long enough to know I don't like being asked to answer a question without actually being asked the question ;)

Okay thanks.

@0celo7 You better move to Munich then

I tried long-distance-to-the-US. Didn't work.

7:49 PM

@Danu Hoping to do a summer there

@BernardMeurer Funny, I thought it was you that just jumped in with "X is shit" over a nuanced discussions of the pros and cons and user experiences with X vs Y.

@acuriousmind well I wasn't sure if you were about to head out or something

since you said you were hauling boxes for half the day

@0celo7 Haha

Great

(btw why were you doing that?)

@Danu But you could also help make the mod team here more awesome

7:49 PM

@EmilioPisanty I stand by my point, I think Hg is an inferior technology and should be left behind

@Obliv he's moving

And I don't get why you're being such a cunt to me right now, but whatever

Next time, maybe. When Manish retires :P Or QMechanic descends to join his fellow gods on a higher plane of existence

@Danu why is that funny?

@BernardMeurer And I stand by my (multiple) points, which is recounted at length above, and which you still seem to have no intention to address.

7:51 PM

@acuriousmind okay, why does $\sqrt{\frac{\text{elastic property}}{\text{inertial property}}}$ describe the speed of a mechanical wave in general? Like for a string it's $\sqrt{\frac{\tau}{\mu}}$ where $\mu$ is the string linear mass density and $\tau$ is the tension in the string. Why would the density of the string matter?

@0celo7 It was a nervous chuckle in anticipation of the excitement ahead...

"The field $R(t)$ is inadequate for the development of the calculus because we cannot extend to it even some of the most common functions defined in the field of real numbers"

TO THE TRASH

Then he goes on to talk about the field of Laurent series, which is also trash

Why are you doing this

Why are you wasting my time

@Danu :3

I imagine a bunch of particles hitting each other transferring the momentum supplied to the string from the first wavelength. OH wait I think I see. If there were more particles then the particles would have to cover less distance before imparting their momentum.

By the way, does the town hall chat conflict with the Blue Origin test?

arstechnica.co.uk/science/2016/10/…

7:52 PM

@Slereah lol

Does this mean that if there was nearly 0 distance between the particles, the wave would transfer veerrrry fast?

@Obliv The more massive the string is, the harder it is to move. Seems pretty inuitive to me

My brain isn't doing time zones all that well at the moment.

@DanielSank regarding the point about the mixer, that's an interesting approach indeed. I'm thinking about whether one can somehow simulate quantum environments with classical noise signals, where the asymmetry between positive and negative frequencies is one of the bigger factors.

@EmilioPisanty Does anyone care? :P

The replay will be better anyways ;D

Hey Arno

7:53 PM

oh I got that backwards.

Whaddaya say @user129412 should I be a mod here? lolol

@Danu They're gonna intentionally blow up a rocket live on the internet

I kinda do want to watch that

I know

@EmilioPisanty is a savage

@Danu Aaaaand now you've completely blown his anonymity :P

7:54 PM

@ACuriousMind That's 'kay :)

@0celo7 I can't tell whether that's an insult or a compliment these days

Do we know who Danu is?

@ACuriousMind what is?

@ACuriousMind Did you mean the more dense the string is?

It's a compliment as long as he's not savaging me

@0celo7 Well, tbh they're not actually blowing up the rocket (they're giving it something like a 20% chance of surviving), and it would be double-awesome if it makes it

7:55 PM

I wasn't referring to that

@Obliv Yes, but I didn't say dense because "massive" makes it much clearer to me although you are of course right to nitpicky that the total mass can be the same for varying densities & string lengths

I was referring to the way you shut down BM

@0celo7 To what do I owe the honour of that 'compliment', then? just curious

@0celo7 Calling someone a "savage"

@acuriousmind but why does it make it harder to move for the wave?

7:57 PM

@Danu I'd never elect a userXXXXX because I can't tell most of them apart, except for the ones with distinctive writing styles/choices of topics

@EmilioPisanty I just said

The way you savaged BM

15

Q: (How) can we encourage non-newbie users to change away from userXXXX?

We have a certain number of users of the site who have been here for some time, but still retain their original username of the form userXXXX. I find it relatively annoying as I'm never sure whether I've interacted with them or not, so they all sort of blend into a single user. I wanted to test h...

discussion users

@Obliv I'm either misunderstanding what your problem is, or you're asking me "Why is it harder to move things with more mass?"

@ACuriousMind elect the crazy GR user :P

@0celo7 yeah, the comments crossed on the wires.

7:58 PM

@EmilioPisanty Top answer is mine, you needn't tell me about that ;)

@ACuriousMind indeed it is

@acuriousmind Well it's because I think of collisions as instant events that simply change the internal momentum of a system. The more or less of them is irrelevant if they're instant

just thought it was topical

@ACuriousMind it depends

I can respect a good savagery

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Transcript for

Oct '163

The h Bar

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