The h Bar

DanielSank

3:04 AM

Hi, everybody.

Avantgarde

3:52 AM

@DanielSank Sup!

DanielSank

4:06 AM

@Avantgarde hi

Just about to watch a movie.

Avantgarde

Which one?

DanielSank

4:30 AM

@Avantgarde Guardians of the Galaxy

Avantgarde

ok

DanielSank

Never saw it (the first one). Good so far.

Avantgarde

:)

enjoy!

user228700

5:05 AM

user228700

@JohnR: Morning :-) HOME, I am home!!

John Rennie

Chennai never looked so good! :-)

Is everyone back, or are they still on a bus somewhere?

user228700

Nope! :-) I'm pretty tired though. And also starving.

user228700

@JohnRennie No, they're on their way back on a different train. They'll be home by evening.

John Rennie

Aha, you did get train places for everyone in the end.

user228700

5:09 AM

Thankfully, yes! :-)

user228700

What's up with u?

John Rennie

So you're alone in the house and you get to cook whatever you want to eat - all day!!! :-)

user228700

If only :-( There's next to nothing to eat here.

John Rennie

Take-away pizza!!

user228700

Gotta finish washing my clothes and then go buy some milk.

user228700

5:12 AM

@JohnRennie I'll have bread and jam in the morning but yes, I think I'll have a pizza for lunch!

John Rennie

And there was some pudding you had last time, though I can't remember the details ...

user228700

Ah, yes, yes, butterscotch mousse :-)

user228700

I don't think I've got enough money on me to buy that as well though.

user228700

I mean, I have, but I've decided to start saving up for a trip to Darjeeling so I am going to spend my money as wisely as I can!

John Rennie

What's the plan for Darjeeling?

In the UK Darjeeling is mainly known for its tea.

Hi Dawood :-)

user228700

5:20 AM

Well, Darjeeling, Mussoorie...

user228700

There is no plan as of now. I only know that to go there would be a dream come true.

John Rennie

Missouri? In the USA?

user228700

Dusty old railway stations, tracks winding through the hills, Ruskin Bond, trams...

dmckee

Missouri has an unreasonable number of towns named for famous places elsewhere.

user228700

@JohnRennie Oops, autocorrect :-)

Secret

5:24 AM

[Random question] Dependence of entropy on topological arrangement of components in a system?

(Actually, I am not sure whether it is physically possible for two systems to have the same spatial configuration but different connectivity, cause any attempt to put a connection in between the components and that "bridge" should count towards the entropy (even if said bridge may be something immaterial like a field), and thus changing the connectivity is basically the same as changing the average configuration of the bridge in phase space...)

John Rennie

@Kaumudi.H ah, yes, Mussoorie makes more sense :-)

Meanwhile I'm stuck in Wookey Hole, miles from anywhere, and it has been raining for 24 hours.

user228700

Read Ruskin Bond (/watch Barfi) and anybody will want to visit.

user228700

@JohnRennie Wtf, is it still raining?! Omg...

John Rennie

There's a massive storm system hovering over the UK. There have been flood warnings in several aresa.

user228700

Oh Gosh! :-(

John Rennie

5:27 AM

Isn't barfi a kind of food?

Why would you want to watch food? :-)

In my case watch it disappear :-)

user228700

Haha, yes, it's a sweet :-) Also a movie.

user228700

I'll brb. Gotta eat something.

Dawood ibn Kareem

6:16 AM

@JohnRennie Hi John. Not sure if I've missed you. My laptop is playing up.

And every time you talk about "Wookey Hole" I imagine Chewbacca hanging round nearby.

John Rennie

:-)

Wookey Hole

Wookey Hole is a village close to Wells in Somerset, England. It is within the parish of St Cuthbert Out. One possible origin for the name Wookey is from the Old English wocig (an animal trap)., although it is also a possible alteration from a Celtic word ogo (cave) referring to Wookey Hole Caves. The village of Wookey Hole is dominated by the Wookey Hole Caves tourist site which has show caves and a controversial crazy golf course which was built on the site of the village bowling green. The village has shops, a pub, restaurants, hotels and a campsite. The former paper mill building, whose water...

Dawood ibn Kareem

Is that where you live? It looks very quaint.

John Rennie

My mother lives in Wookey Hole and I'm down here visiting. I live in Chester, which is a medium size city in the north of England.

Dawood ibn Kareem

Right, I know where Chester is.

How is your mother's vision working out after the surgery?

John Rennie

It is very pretty, but out here in the countryside there is nothing to do. The nearest big town is an hours drive away.

@DawoodibnKareem It's gone well. I have to take her back for a checkup on Thursday, but so far it appears to have gone very well.

Slereah

6:20 AM

@JohnRennie back in my days we used our imagination!

Dawood ibn Kareem

Oh that's good. I am lucky to have never had vision problems, so it's so easy to take such things for granted.

Secret

6:46 AM

278

A: What experiment would disprove string theory?

One can disprove string theory by many observations that will almost certain not occur, for example: By detecting Lorentz violation at high energies: string theory predicts that the Lorentz symmetry is exact at any energy scale; recent experiments by the Fermi satellite and others have showed t...

8

Q: What experiment would disprove loop quantum gravity?

Loop Quantum Gravity (LQG) is a theory of quantum space-time that attempts to describe the interconnection between general relativity and quantum mechanics. It's main postulate is the granularity of space on the quantum scale. Though, is there an experiment that can disprove it? Some ideas of an...

Now, someone should make "What experiment would disprove causal dynamical triangulation?"

Dawood ibn Kareem

That someone could be you.

Slereah

Nobody cares about CDT

You might as well ask about non-commutative geometry

Secret

I kinda lost track of which are the popular QG candidates, surely won't be just String theory and LQG nowadays?

Dawood ibn Kareem

7:05 AM

Must be time for you to lead a comeback then.

Slereah

I think LQG took a hit after the measurements of light dispersion

Dawood ibn Kareem

Why do programming professors teach their students to store money in floating point data types?

Avantgarde

because money can inflate

Dawood ibn Kareem

Well, yes. But they mostly do it in exercises where you're just adding and subtracting amounts.

Avantgarde

That was a joke. On a serous note, I don't know the answer.

Dawood ibn Kareem

7:10 AM

There are cases where a floating point data type makes sense for money, but it certainly shouldn't be the default that everyone goes for.

Avantgarde

I've forgotten so much of my C++. :(

Dawood ibn Kareem

It annoys me that Stack Overflow has thousands upon thousands of questions where someone has posted code with money stored as double.

And it annoys me again when graduates join the workforce and need to be undoubled.

Avantgarde

heh

Dawood ibn Kareem

Sorry, I'm just in a ranty kind of mood.

I realise this isn't the right room.

Avantgarde

It's alright

SBM

7:18 AM

hello

Avantgarde

hey SBM

SBM

@Avantgarde forgotten?

John Rennie

@DawoodibnKareem: in these days of millisecond trading it may well be necessary to store fractions of a cent, penny or whatever. So doubles may be needed for currency.

SBM

yes
good afternoon @Avantgarde

Dawood ibn Kareem

@JohnRennie Certainly. That's why I said "...There are cases where a floating point data type makes sense for money..."

Avantgarde

7:20 AM

@SBM Forgotten what?

Dawood ibn Kareem

Haha, I got the joke that time.

Secret

My eyes are bleeding

0

Q: How does excitations in quantum field works?

How does excitations in a quantum field propagate? An analogy to this is ripples on a pund. However, these ripples extends outwards in a 360 degree circle, which is not how particles behave. "DOES THE EXCITED STATE TRAVEL IN A STRAIGHT LINE IN ONE DIRECTION? Why is the excitations in quantum fi...

quantum-field-theory

SBM

10 mins ago, by Avantgarde

I've forgotten so much of my C++. :(

John Rennie

@DawoodibnKareem actually even then I'm not sure it's safe to use a double. I would guess the resolution is predetermined, e.g. thousands of a cent, and still stored as an int.

Dawood ibn Kareem

@JohnRennie Yes, I'd prefer to use some kind of decimal type for those cases too.

Avantgarde

7:21 AM

Oh yeah. I enjoyed programming in C++ some years ago. I've been out of practice for a while now. It's ok though, since I didn't need it reallly.

Secret

> People should never underestimate that all caps has a luminosity of at least 100 times of normal text, blindness can ensure in extreme cases

Dawood ibn Kareem

The case where it makes sense to use a double is where you're calculating stuff like how much money you need to save every week if you want to retire as a millionaire (given suitable values for your current age, the interest rate and so on).

John Rennie

blindness can ensure in extreme cases :-)

SBM

@Secret It's unnecessary emphasis

John Rennie

@DawoodibnKareem I guess doubles are fine anywhere that you don't care about rounding errors

Dawood ibn Kareem

7:23 AM

I used to know someone who lost his job by not caring about a rounding error.

John Rennie

@DawoodibnKareem if they were responsible for handling my money I'd fire them too!!

Dawood ibn Kareem

It amounted to something like one penny per week over several years, for each of hundreds of thousands of customers.

(Do you say "penny" for 1/100 of a pound sterling? I know the plural is "pence" but I've never needed the singular before).

Mithrandir24601

@DawoodibnKareem Yep

SBM

I guess so.

oh

Avantgarde

that's a lot of money

Dawood ibn Kareem

7:29 AM

Regardless, I don't believe in firing someone for an honest mistake.

It's a lot of money, but it's not like he embezzled it.

Avantgarde

well, believing someone's 'honesty' can often be on shaky grounds

moreover, the number of people involved was huge

Dawood ibn Kareem

I also believe that if one person's mistake causes that kind of loss, then there's something wrong with the business' processes. This is what things like code review and system testing are for. It's kind of my mantra that every bug in a software system is the result of at least two people stuffing up.

John Rennie

True ...

Dawood ibn Kareem

But again, I'm saying this in the wrong chat room, aren't I? This is physics, not software engineering.

SBM

oh no worries

if the entire chatroom was only filled with physics it'd be monotonous

Slereah

7:34 AM

speak for yourself

Physics is great

Dawood ibn Kareem

I know, but the Stack Exchange network is already overpopulated with computer geeks.

Mithrandir24601

... Including many of the people in this one :P

Avantgarde

It's ok

John Rennie

geek is a term used by people reluctant to admit that what they actually are is a nerd :-)

Me, I'm a nerd and what's more I'm a happy nerd :-)

Slereah

The definitions I grew up with were that a geek is someone unusually into something (so you could have computer geeks, baseball geeks, theater geeks, etc) and nerds are (often awkward) science, math, or computer geeks. But definitions vary.

Avantgarde

7:39 AM

For everyone in this room: What are your interested in other than physics and mathematics?

Slereah

The usual stuff

The movies

Books

Music

Vidyah gehms

Avantgarde

gemz

I could never really read books. Lots of music though, yeah

John Rennie

@Avantgarde sex, drugs and rock 'n' roll pretty much covers it.

Avantgarde

hahaha

John Rennie

And reading science fiction ...

Or all four at once!

Avantgarde

7:42 AM

Nice

:P

Dawood ibn Kareem

Yeah, "sex, drugs and reading science fiction" doesn't quite have the same ring to it.

Slereah

Obviously you don't remember the role playing satanism scare of the olden days

John Rennie

@Slereah are you kidding. I routinely listen to rock tracks backwards for the satanic messages.

SBM

@Avantgarde programming

John Rennie

Though I was really startled to find "+---" in the latest Black Sabbath album.

Slereah

7:44 AM

@JohnRennie Any good ones?

SBM

reading also is interesting if the book is good

Slereah

@JohnRennie Throw it out

Avantgarde

@JohnRennie +---?

Mithrandir24601

Music, books, tea, a bit of computer games, tea, computers (and computer science), tea, food in general, tea, the list goes on...

John Rennie

@Avantgarde old joke, and not very funny :-)

Avantgarde

7:45 AM

@Mithrandir24601 I think you forgot to put tea in there

SBM

no

Mithrandir24601

@Avantgarde Ah, so I did. Edited

SBM

so much tea

Mithrandir24601

Just counted - I have 23 different teas, then some more at my parents'

Dawood ibn Kareem

How do you sleep afterwards?

Slereah

7:55 AM

Sorry, I'm energy drink

Mithrandir24601

@DawoodibnKareem I don't drink them all at once!

Dawood ibn Kareem

Your search - +--- - did not match any documents.

Suggestions:

· Make sure that all words are spelled correctly.
· Try different keywords.
· Try more general keywords.

Slereah

+--- and -+++ refer to signatures of the spacetime metric

-+++ is the superior one

Dawood ibn Kareem

Now I'll never get John's joke.

Oh, I see. Don't know what it has to do with Black Sabbath, but never mind.

SBM

hmm

Dawood ibn Kareem

8:07 AM

I hate "what does my professor mean by X" questions. The only correct answer is "ask your professor".

Slereah

Professor X you say

Dawood ibn Kareem

No, I mean "our professor told us to floople blarg thlug. What did he mean?"

Slereah

He might be having a stroke

L.K.

Hello everyone
Anybody heard of this country

lol

Avantgarde

oh come on

SBM

8:22 AM

fruit salad; :|

L.K.

Surprising isn't it

Nowhere to be seen, such a place. I need to book tickets

Secret

8:37 AM

[Random] Consider the following metric: $$-x dt^2+r d\theta^2+r d\phi^2+dr^2+$$

(Ok I need to lookup how a torus is expressed in polar coords. again...)

Kenshin

what about the metric tho

Secret

I am trying to calculate a piece of looping space translating in the x direction as time progress

The spacetime manifold as a result should look like a slanted prism with the base an ordinary torus and the height aligning the time direction I guess..

John Rennie

@Secret that's a bit like Rindler space, though your metric is singular at $x=0$, which makes it a bit useless since the rest frame of an observer is singular.

Slereah

You don't need to have a fancy torus

Just take a flat torus and a slanted curve

Bernardo Meurer

9:05 AM

Geneva is too expensive

Good lord

And everyone speaks bloody french

Secret

uh, but a flat torus has 4 degrees of freedom (because it embbeds only in $\Bbb{R}^4$ or above), if a flat torus is used, then what degrees of freedom will be left behind for it to "translate by 1m along the x direction" for example?

Slereah

Why are you embedding something

Spacetimes don't need to be embedded

Secret

Spacetime has 3+1 dimensions, but a flat torus has 4 degrees of freedom, so it would use up the 3+1 dimensions, thus the remaining direction where it can translate will not be independent of the existing 3+1 directions?
(I am most likely wrong, because I am trying to use geometric intuition in $\Bbb{R}^n$ to think about how it will look like on a spacetime diagram...)

...uh wait a sec, I think I got something really wrong about my understanding of flat torus. Nvm then...

user82922

Hello every one

Slereah

"One can think of the string field as a linear combination with momentum-dependent coefficients (fields) of states of the first quantized ghost number one space."

$\int d^{26}x$

the horror

user82922

9:19 AM

I need help in solve homework problem coul any body help me please

What's it?

Geneva

That was for user

But nice

And French is nice, no?

Hard, though. For me :D

Bernardo Meurer

no

Secret

9:20 AM

ok fine, so it has two degrees of freedom as expected. I really have to stop trying to glue edges of manifold and be content to just label them as "identifying these edges together"

user82922

I can't uploding it in the chat

Work and energy problem

Avantgarde

What's not good about French?

@user82922 Just ask here

Bernardo Meurer

I can't speak it

Avantgarde

me neither

Secret

My problem is that when dealing with manifolds, I always end up unconsciously gluing the edges that is marked, thus unconsciously embed the resulting object in higher dimensional space

Avantgarde

9:23 AM

they don't speak English too there?

Secret

for example, this gluing instruction will give you the 2-torus, flat or not

but if you try to physically roll it up as instructed you will only ever get the ordinary 2-torus and not the flat one

user228700

Yo, @Balarka:

Dawood ibn Kareem

It's not compulsory to embed your 2-torus in Euclidean 3-space.

user228700

Dawood ibn Kareem

I was about to say "oh my gosh those are expensive" till I saw the price was in rupees.

user228700

9:25 AM

Ah, haha :-)

Avantgarde

that's cheap in INR

user228700

Relatively, yes, certainly.

user228700

The laptop's with my parents so I am still yet to download them films :'-( @JohnR

Secret

Another metric I had in mind is this one:

$$ds^2 = b(t)(-\left(\alpha^2 - \beta_i \beta^i\right) \,dt^2 + 2 \beta_i \,dx^i \,dt + \gamma_{ij}\,dx^i\,dx^j)-dt^2+dx^2+dy^2+dz^2$$

where $b(t)$ is a smooth concave function

(Basically the alcuberrie drive plus the charging up and powering down bit, modelled very simply as the expansion and contraction of the bubble region of the alcuberrie metric)

Slereah

the "charging up" bit is called a logistic function

or somesuch

Dawood ibn Kareem

9:31 AM

Actually, if you convert it into any of the world's "big currencies" it's extremely cheap.

Slereah

If there is powering down it is a tophat function

John Rennie

@Kaumudi.H no hurry.

user228700

@DawoodibnKareem Unfortunately, yeah.

Avantgarde

why unfortunately? :P

user228700

@JohnRennie Thank you :-)

Balarka Sen

9:34 AM

@Kaumudi Fun. I am not sure if I support my previous suggestion of reading that book though, but since you decided to buy it...

It's a good book.

John Rennie

@Kaumudi.H though of course it means you can't watch any films today.

I must admit that when I'm travelling my laptop never leaves my sight.

Secret

One interesting thing can be done with that metric is considering a spacecraft powering up the alcuberrie drive, then 'travel' for t seconds, and then powering it down again. This will help shed some light on how a more realistic alcuberrie drive will function (though I am suspecting a more realisitc powering up/down will involve the bubble expanding along the length of the craft instead of isotropically)

Not sure if anyone had done that calculation before since as far I knew from talking to GR people, the alcuberrie metric is never modelled in a dynamical situation

user228700

@JohnRennie Says who? They'll be back by evening! :-)

John Rennie

@Kaumudi.H OK, you can't watch any films right now :-)

user228700

@JohnRennie My parents wanted it to work in the train...

John Rennie

9:36 AM

Have you tried putting the film on a USB drive and watching it on the TV?

Slereah

Dynamic alcubierre drive have been done before

John Doe

@Mithrandir24601 Hey if you have a chance, please check out my post.

Slereah

It's not a terribly good idea for various reasons

John Rennie

@Kaumudi.H you realise they'll be downloading pornography and blaming it on you :-)

user228700

@BalarkaSen Huh. Now what makes you take that back?

user228700

9:37 AM

@JohnRennie Yes, but no subtitles :-(

user228700

@JohnRennie Lol.

Dawood ibn Kareem

@JohnRennie Good one, man. Everyone on earth wants to imagine their parents downloading pornography.

John Rennie

@DawoodibnKareem I thought that would make everyone feel vaguely nauseous :-)

@Kaumudi.H ah, yes.

user228700

> vaguely nauseous

user228700

Correct.

Bernardo Meurer

9:39 AM

Meh, I know my parents only watch boring porn, so it's okay

John Rennie

:: John wishes he had never started this ::

user228700

@JohnRennie That is the appropriate reaction :-P

Secret

arxiv.org/abs/0904.0141

Balarka Sen

It's a novel about utter despair and degenerate thoughts and deranged logic of the Underground Man. I can connect to him but I am not sure if I am doing good recommending it to everybody

Secret

Ok, and including the drive being fried by the semiclassical radiation produced at the bubble

Slereah

9:41 AM

Yeah Alcubierre bubbles have horizons

those are Bad

John Rennie

@Kaumudi.H: your parents won't get that much work done. Your laptop is really designed for power, it has the fastest of the third gen i7M CPUs, but as a result it doesn't have a stunning battery life.

user228700

@BalarkaSen Are u worried that those to whom you recommend this will start identifying with the protagonist's principles? Fret not, I'm fairly certain that I won't.

Avantgarde

Crasha - The Skydiving Dog - Swoopware: Skydive

►

user228700

@JohnRennie They have the power cord with them! :-)

Slereah

Alcubierre horizons are easy to show if you switch to static coordinates

(Alcubierre metrics are really static spherically symmetric spacetimes)

John Rennie

9:42 AM

@Kaumudi.H There is power available on the train?

user228700

@JohnRennie Yep!

John Rennie

Wow, then that's better than UK trains!

Bernardo Meurer

@JohnRennie Swiss trains have power too

Slereah

French trains often do not officially have power available

BUT

Last year, I discovered that most cars have a hidden power outlet

So I usually try to find it

Bernardo Meurer

Hidden WHERE

Slereah

9:44 AM

The ceiling above one of the seat

Balarka Sen

No, I mean, there's not many examples of people out there who turned out to be murderer and criminal from reading Notes :P Just that peering through a sewage of a brain is not a pleasant experience; I am not sure if your literary tastes are like that

John Rennie

@BernardoMeurer cool :-) Though you need to warn them about the massive power surge before you plug your monster of a laptop in :-)

Balarka Sen

But do read it, see if you like it

user228700

@BalarkaSen Lol, OK. I want to explore different genres so I will read it anyway.

Balarka Sen

It's not just an arbitrary story, keep in mind, but the literary work that bootstarted existentialism after Kierkegaard

user228700

9:45 AM

@BalarkaSen I know, I know...

Balarka Sen

a'right. I'm off.

user228700

@BalarkaSen Bye!

Bernardo Meurer

@JohnRennie Hehehe, it's not that power hungry

Today I go back to Portugal

I have purchased
- Cigars
- Chocolate
- Absinthe
- A knife

John Rennie

@BernardoMeurer To be fair I think it drinks less than 20W when you aren't recompiling the kernel. Though that was before you stuffed it full of memory.

Bernardo Meurer

And that's all I did here

John Rennie

9:47 AM

@BernardoMeurer no hairbrush?

Bernardo Meurer

@JohnRennie Meh, DDR3 isn't particularly demanding on power

@JohnRennie I saw a nice one but it cost upwards of 100 CHF

Which I do not have

John Rennie

It's not the cheapest country, that Switzerland.

Bernardo Meurer

It's the most expensive place on earth

No joking

Secret

I am guessing based on that, the TARDIS spacetime also have similar horizon problems because for each time slice, there's basically two alcuberrie warp bubble facing in the opposite direction (referring to the plots in that TARDIS paper), which means, any spacetime that has that bubble like geometry /-/ will probably collapse under the (forgot name, but definitely not unruh) radiation

Bernardo Meurer

A meal for two at any restaurant you end up paying ~55 CHF

Which is ridiculous

I pay 30€ in lisbon for me and a girl and we eat like kings

Avantgarde

9:50 AM

half of that here

or maybe even less

John Rennie

To be fair 30€ wouldn't buy you much in London, though life is a lot cheaper up here in t'North.

user228700

Man, if I only had the money...

John Rennie

Wow, that's scenic!

Where is it?

Darjeeling?

user228700

@JohnRennie Yeah!

Bernardo Meurer

9:51 AM

@JohnRennie London is for suckers

Long live Chester

Dawood ibn Kareem

That looks vaguely like Thomas the Tank Engine.

John Rennie

@Kaumudi.H would it be that expensive to visit? I would have guessed that the train to Darjeeling wouldn't cost that much.

user228700

And I've already wasted Rs. 495 on pizza this afternoon :-( It'll be years before I make it.

John Rennie

> wasted Rs. 495 on pizza

That's not a waste :-)

Avantgarde

Dominos?

user228700

9:53 AM

@JohnRennie From Chennai?! Who the heck travels all the way to Darjeeling from Chennai by train?!

John Rennie

Would you fly? I guess that would cost a lot more.

Bernardo Meurer

@Kaumudi.H Just walk there

John Rennie

People travel across Europe by train for fun ...

Bernardo Meurer

^

user228700

Bernardo Meurer

9:54 AM

I love me a good train

Avantgarde

Chennai to Darjeeling is a looong distance

Bernardo Meurer

choo-choo!

user228700

@JohnRennie Well, yeah, but the trains suck here!

Bernardo Meurer

Damn, Kaumadi is from the Tamil Kingdoms

user228700

@JohnRennie It would, yeah...

user228700

9:55 AM

@BernardoMeurer Lol, no, I am not. I'm really from that adjacent region of Kerala. I just live here. It is home though.

Bernardo Meurer

Flights inside India can't be that expensive? I find flights to EU countries for <<100€ all the time

@Kaumudi.H S P I C E S

Avantgarde

It depends. If they're popular destinations during peak tourist times, prices surge. Otherwise it's alright

user228700

@BernardoMeurer Yep yep.

Avantgarde

Again, sorry for answering your question Kaumudi

user228700

I'd still need a bunch of money for accommodation, food etc.

user228700

9:58 AM

@Avantgarde :-P Dude, it's no problem.

Avantgarde

:P

Bernardo Meurer

@Kaumudi.H Get friends, crash at their place

I'm at my cousin's

I pay by assembling IKEA furniture

I assembles a bed, a sofa, a shelf and a cupboard yesterday

user228700

I'm saving up though! I'm Rs. 5000 up already! (the other bit seemed a bit like bragging so I edited it out :-P)

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