The h Bar

John Rennie

11:10 AM

@Blue you around?

Anonymous

Yup!

John Rennie

@Blue You have e-mail ...

Anonymous

@JohnRennie I replied. :) BTW "holiday photos" ;)

John Rennie

@Blue I don't want the India customs to take an interest. Labelling it holiday photos worked when I sent some stuff to Kaumudi so I figure it's worth trying again :-)

Anonymous

@JohnRennie I realized. Great plan. :P Thanks a lot though. I've never used a SSD before.

John Rennie

11:22 AM

I'll put it in the post tomorrow and it takes around seven days. Expect it at some point in the week starting 18th Sep.

Anonymous

When it reaches perhaps you'll need to teach me how to install it. :)

Anonymous

@JohnRennie Yup, I'll inform my parents to collect it in case I'm not home when it arrives.

John Rennie

SSDs work just like regular disks, only faster. No special installation is required.

Anonymous

@JohnRennie Oooo. Great then! :)

John Rennie

All you have to do is remove the old disk and put in the SSD. If you're unsure how to do this there are manuals for your laptop on Dell's web site. Remind me what model laptop you have and I can find the URL for the manual.

Anonymous

11:25 AM

@JohnRennie It's E4310. Sure, once it arrives I'll check out the manual and do the needful.

John Rennie

The Dell support page is here

And this is the service manual

This disk looks very easy to remove. Just remove two screws and it slides out.

Anonymous

@JohnRennie Gotcha. I'll read it.

John Rennie

Oh, and I've included a USB key with the W10 install image that I use. You can use that or the install image you downoaded from MS as you want.

Anonymous

@JohnRennie lol...I should buy a screwdriver from a local shop before it arrives in that case. :)

Anonymous

@JohnRennie Awesome!

John Rennie

11:33 AM

Any small Phillips screwdriver will do. I have a set of high quality jewellers screwdrivers for dismantling laptops because I do it so much, but for just removing the disk any old screwdriver is fine.

Anonymous

Yup. I'll get one. :D

Anonymous

Anonymous

Bwahahahahaha

Anonymous

@JohnRennie See what I found in my engineering drawing box

Anonymous

And it works!

Anonymous

11:39 AM

I can easily open my laptop's screws with it

Anonymous

:D

John Rennie

Cool :-)

Though go carefully with the screws because if you damage the head it can be a hell of a job to get them out. Though the disk screws won't be in very tightly.

Anonymous

@JohnRennie Okay, will keep that in mind. :-)

djsmiley2k

AH I'VE Thought up an idea, and it's confused me...

think of a clock face, with the arms moving from a control somewhere

when you move them, the 'center' of the arm, rotates slower than the outermost point, is that right?

if not, that explains it lol

the distance traveled at the outer point is more than near the center, so surely it's faster?

Anonymous

@djsmiley2k rotates is not the right word.

Anonymous

11:49 AM

Angular velocity is same for both the points

Anonymous

Well, the centre doesn't rotate at all :P

Anonymous

But yes, the outer points move faster than the inner points which are closer to the centre.

djsmiley2k

yup

ok, now lets imagine it's 1 million miles long

how fast can the end point get?!

John Rennie

@djsmiley2k Are you thinking you could get the end to move faster than light?

Anonymous

@djsmiley2k If it gets close to $c$ then you would probably need to take relativistic effects into account

John Rennie

11:57 AM

If so, I'm afraid that wouldn't work.

Anonymous

@djsmiley2k For rotating you would also need to supply energy constantly. Remember that $P=\tau\omega$

djsmiley2k

@JohnRennie No, i was thinking it can't move faster than light, butI was wondering 'why'

John Rennie

13

Q: Rotate a long bar in space and get close to (or even beyond) the speed of light $c$

Imagine a bar spinning like a helicopter propeller, At $\omega$ rad/s because the extremes of the bar goes at speed $$V = \omega * r$$ then we can reach near $c$ (speed of light) applying some finite amount of energy just doing $$\omega = V / r$$ The bar should be long, low density, stron...

Also:

8

Q: Extended Rigid Bodies in Special Relativity

I was reading Landau & Lifshitz's Classical Theory of Fields and I noticed that they mention that an extended rigid body isn't "relativistically correct". For example, if you consider a rigid rod and apply a torque at one end, by definition of being rigid, the whole body must start rotating at ...

special-relativity classical-mechanics speed-of-light faster-than-light causality

djsmiley2k

ok ty

so..... the closer it gets, the harder it becomes

Anonymous

@djsmiley2k It's really the same reason as to why it gets harder to move normal objects at speeds close to $c$.

Anonymous

12:06 PM

So, yes.

djsmiley2k

ok, fine :) that makes sense to my brain at least, ty guys :)

(and girls)

Anonymous

@djsmiley2k Professor Shankar's lectures on Special Relativity are great. Perhaps you should have a look. :)

Anonymous

It helped me getting started with the basics.

djsmiley2k

If I getr a chance I'll try

(kids.... they have the same relativistic properties as a black hole - there's no time when you're near them!)

heather

12:56 PM

@ACuriousMind mods can review more than 20 cvs in a day?

ACuriousMind

@heather Yes, moderators have unlimited close votes and reviews. Which is useful for cutting down an exceptionally large queue, as you can see. However, if it grows to that size again soon, this is not sustainable and we need to get more people to review.

heather

i'm all out of votes, i ran out at ~7:20 last night (and at 6:57 last night).

ACuriousMind

Yeah, that used to happen regularly to me

0ßelö7

1:29 PM

Bernardo texted me a picture of him compiling the kernel

I'm worried about him

Phase

I reasked my question on Phys SE from Chem SE, would still appreciate an answer

My Question

Phase

1:48 PM

Thanks @EmilioPisanty I finally have an answer :D

Emilio Pisanty

2:14 PM

@Phase if the chem.se post has not been deleted, both should indicate the presence of the cross-post.

0ßelö7

did @JohnRennie ever show up?

No

crap, did he die?

Me and Taylor Swift

The real tragedy is TayTay dying

John Rennie

2:27 PM

Thanks for that :-)

0ßelö7

@JohnRennie I'm surprised you haven't cleaned the star board

John Rennie

The star board looks OK to me. Nothing scandalous or libellous on it :-)

So far ... :-)

0ßelö7

@JohnRennie how long does uncooked bacon last in the fridge

I just found some that I had forgotten about

John Rennie

I think bacon lasts more or less indefinitely because it's salted so bugs can't grow in it. As long as it's still pink |(not green!) it should be fine. But I'd be sure to cook it thoroughly though.

0ßelö7

2:45 PM

@JohnRennie see you on the other side

John Rennie

Dying of eating bacon has to be one of the better ways to go :-)

0ßelö7

@JohnRennie it was overcooked

user228700

3:03 PM

@JohnRennie My condolences.

user228700

@JohnRennie Dyou know what I'm having for dinner tonight?!

0ßelö7

Black pudding

user228700

Oh bleh.

John Rennie

@Kaumudi.H I'm tempted to make some facetious guesses, but perhaps not :-)

This was my lunch:

user228700

@JohnRennie :-) Oh, that's alright, go ahead.

user228700

3:08 PM

@JohnRennie What are those?

John Rennie

Meat and cabbage croquettes.!

0ßelö7

Where is the green stuff

user228700

Wow.

user228700

That's a lot of 'em!

0ßelö7

JR does eat a lot...

user228700

3:09 PM

When dinner arrives, I will photograph it for you. For now, it remains a surprise!

0ßelö7

Amazing metabolism

Sir Cumference

Morning

user228700

@SirCumference Oh, hey! :-) How went the sleeping?

John Rennie

@Kaumudi.H It's meat and cabbage wrapped in pancakes, then egged and breaded and fried.

Sir Cumference

@Kaumudi.H Sadly, not well. :/

user228700

3:09 PM

@JohnRennie I see. Did u make 'em?

Sir Cumference

This cold is pretty bad. I'll have to buy something for it.

user228700

@SirCumference Damn :-/

user228700

I suggest naps throughout the day!

Sir Cumference

@Kaumudi.H Yeah. Thanks for asking tho :)

user228700

Sure thing :-)

John Rennie

3:10 PM

@Kaumudi.H no. I bought them from the local supermarket.

user228700

Right, as I expected :-P

user228700

Dyou know what I did all evening?

John Rennie

This is them

@Kaumudi.H Assignments!

:: A guilty silence descends ::

ACuriousMind

lol

Physics Meta

0

Q: Is my proof of $-1=\eta_{\alpha\beta}U^\alpha U^\beta$ right?

i tried to prove $$ -1=\eta_{\alpha\beta}U^\alpha U^\beta $$ in my way because i didn't understand from this $$ d\tau^2 =-\eta_{\alpha \beta} dx^\alpha dx^\beta $$ we get $$ -1=\eta_{\alpha\beta}U^\alpha U^\beta $$ which is from my text book so i made a prove and i hope if anyone could say th...

discussion support

user228700

3:15 PM

@JohnRennie x'D

user228700

I'm sorry, my internet connection died for a bit there.

user228700

I didn't do that, no. I watched (parts) of the last two movies of the Harry Potter series for the umpteenth time this year.

0ßelö7

@ACuriousMind what are some new games being released this season

John Rennie

@Kaumudi.H the films get to be like old friends, Even though you've seen them a dozen times they are still kind of cozy.

user228700

Old friends, exactly <3 :-)

user228700

3:19 PM

Oh, dinner's here, I'll come back with a picture later!

John Rennie

Some albums are like that for me. Dark Side of the Moon for example.

Not films though.

@Kaumudi.H Enjoy dinner!!

lılostafa

@BalarkaSen lol

but NO! I actually love Shankar

How bright is a 250 lm headlight? Does it suffice for hiking at night?

Anonymous

@lılostafa Sounds more than enough.

lılostafa

3:34 PM

@Blue amazon.com/dp/B071YBSTG5/ref=psdc_3180291_t2_B01MU4AY2B

Mauricio

Any idea for this one?physics.stackexchange.com/questions/356284/…

Anonymous

@lılostafa 6000 lumens? Are you going for hiking or planning to light up the whole locality's night sky? lol :P

Anonymous

6000 lumens will immediately blind anyone in front of you XD

0ßelö7

@ACuriousMind @BalarkaSen What is p-adic Differential Equations/Geometry?

lılostafa

@Blue There are many headlights like this one, but the (slightly) more expensive ones are like this: amazon.com/dp/B06WWFW4YG/ref=psdc_3180291_t2_B011K7J69M

Anonymous

3:45 PM

@lılostafa By the way, I had a solid state question to ask you. Do you know what $n_i$ a.k.a degeneracy factor stands for in this article (look under 1D density of states)? Well, the website's cool ;)

Anonymous

What is the meaning of degeneracy factor?

Anonymous

Googling it doesn't help much.

lılostafa

@Blue degeneracy factor in general means the number of states with the same energy. (It has the same meaning in that article)

Anonymous

@lılostafa Hmm. But in 1D or 0D why would two states with same energy exist ? But in 2D,3D that's not allowed?

lılostafa

@Blue *For quantum structures with dimensions lower than 2, it is possible for the same energy level to occur for more than one arrangement of confined states. *

I don't know why ^

Balarka Sen

4:01 PM

this is the same as saying the hamiltonian or whatever has same eigenvalues for a bunch of eigenstates

I think

lılostafa

@BalarkaSen Yes but why the 1D and 0D cases differ from 2D and 3D problems?

Anonymous

@BalarkaSen Ya, but why wouldn't that happen for the 2D and 3D case?

Anonymous

Hmm. From here it seems for the same $E$ DOS can differ even for 2D.

Anonymous

We are surely going wrong somewhere

Balarka Sen

4:03 PM

@Mostafa @Blue Interesting.

I don't see why that should be true mathematically. Maybe this is a physical fact.

lılostafa

@Blue It can be understood easier in classical setups. For example, when counting the number of the states for a cavity (here), the electric field can have 2 perpendicular polarizations which means a degeneracy of 2

@BalarkaSen Do you mean we can have a mathematically false but physically true fact?

Balarka Sen

Oh no I mean maybe this is something specific to whatever system we are dealing with

In general particles in a square box are easy examples of quantum mechanical systems which do have equal eigenvalues for different eigenstates, I believe

lılostafa

shouldn't it (intuitively) be easier for higher dimensional problems to have more symmetries and higher degeneracies?!

@0ßelö7 please comment on this ^

@BalarkaSen ^

Anonymous

@lılostafa That's what they have written "too small to imply"

lılostafa

4:23 PM

@Blue maybe Britney's wrong.

Anonymous

@lılostafa Nope. That fact is written in many other books too.

Anonymous

idr.iitkgp.ac.in/xmlui/bitstream/handle/123456789/707/…

Anonymous

Page 3

user228700

@JohnR: Are you around?

user228700

Balarka Sen

4:27 PM

@lılostafa No idea; this sounds like a PDE question 0celo would be able to answer. Cool question though.

user228700

Ah, damn, it's not a very good picture :-(

John Rennie

Chapati with chole and cheese?

Anonymous

user228700

@JohnRennie Chappati with gobi munchurian, paneer butter masala and a mixed vegetable curry.

Balarka Sen

@Blue yeah that's why I was talking about the square box

Anonymous

4:32 PM

Aha! Quantum dots can be at max triply degenerate while Quantum wires can be at max doubly degenerate.

lılostafa

@Blue But it doesn't say lower dimension

a square box is still a 3D problem

Anonymous

@lılostafa If it weren't we wouldn't have taken quantum effects into account. It's a 0D problem.

Anonymous

Read this for context:

John Rennie

@Kaumudi.H it looks great, but that is a small helping ...

Anonymous

Wait a bit....I closed the pdf by mistake

Anonymous

4:35 PM

nptel.ac.in/courses/115106076/Module%207/Module%207.pdf

Anonymous

Yeah, page 18 and 19.

Anonymous

Basically it's talking about a quantum dot.

lılostafa

4:47 PM

@Blue Quantized (=having a discrete spectrum) is not the same as being quantum. A free particle is still a quantum particle while it has a continuous dispersion (E-k) diagram

@Kaumudi.H What does paneer mean?!

Anonymous

@lılostafa I didn't say that. I never mentioned anything about being quantum...

lılostafa

paneer is the farsi word for cheese! :)

Anonymous

paneer is a bit different from normal cheese

Anonymous

actually a lot different in taste :P

lılostafa

I (personally) call every kind of cheese paneer!

Damn, too many similar words

user228700

4:52 PM

@JohnRennie I ate, believe it or not, 7 rotis :-) Pictured is merely the first round.

John Rennie

Pig!!!
I would never eat that much :-)

user228700

LIES

user228700

:-)

John Rennie

Now I think about it, the last time I had chapatis I ate ten of them ...

... with chole.

user228700

Same to you, then! :-)

John Rennie

4:54 PM

Oink oink

user228700

Hehe :-) Only two more days at home :-( Well, one and a half.

Anonymous

We have puja holidays coming up :)

user228700

Ah, I'm afraid it will be December before I get a chance to come back home.

John Rennie

It's always a wrench to leave home after a holiday, but there is loads of exciting stuff to do at college ...

(and exams of course)

user228700

@JohnRennie Oh, at my college? x'D Really?

John Rennie

4:59 PM

Learning new stuff is always exciting. Even if it is damped simple harmonic motion! :-)

0ßelö7

I think I've seen damped harmonic motion in four classes

user228700

Stupid DSHM. I still haven't understood it well enough!

0ßelö7

...what is there to understand

user228700

...mostly because I haven't understood solving homogeneous second order differential equations yet. Or rather, I haven't gone down that rabbit hole yet.

0ßelö7

Laplace transforms

John Rennie

5:01 PM

Honestly, it's easy. You remember how I showed how the solution for undamped SHO worked? Well the damped version is the same but you start with a different ansatz.

0ßelö7

@JohnRennie or you do what normal people do and use Laplace transforms

Ansätze are a horrible way to do math if you want to be satisfied

user228700

@0ßelö7 I haven't learned that yet.

John Rennie

Luckily this is physics :-)

0ßelö7

@JohnRennie Mathematical physics then

@Kaumudi.H $\mathcal L\{f\}(s)=\int_0^\infty e^{-st}f(t)\, dt$

user228700

::Magically understands everything:: HEY, thanks!

user228700

5:03 PM

In all seriousness, I do appreciate your help, even though it is a bit rushed and vague. I'm afraid it's time for me to head to bed now.

0ßelö7

@Kaumudi.H Prove $\mathcal L\{df/dt\}(s)=s\mathcal L\{f\}(s)-f(0)$

John Rennie

@Kaumudi.H the Laplace transform is a very elegant approach, but honestly just using the ansatz will give you everything you need at your current level.

0ßelö7

Using that you can solve all sorts of equations

user228700

Hmm.

user228700

We do have it this semester, I think.

0ßelö7

5:04 PM

you turn differential equations into algebraic ones

John Rennie

Anyway, goodnight. See you tomorrow.

user228700

Anyhoo, I'll catch you all t'row :-) Byebye!

0ßelö7

bye

lılostafa

5:16 PM

@0ßelö7 even nonlinear ones?

0ßelö7

@lılostafa I said "all sorts" not "every kind"

Avantgarde

5:54 PM

@BalarkaSen Sounds nice. I think I've heard the band name before "Oh Hiroshima"

There are a couple of dedicated post rock channels on youtube

Emilio Pisanty

8:40 PM

dmckee

8:50 PM

One of the really obnoxious things about relativity is that learning to state the things that are bothering you in a clear and unambiguous way is only $\epsilon$ short of resolving them for yourself, with the result that a relativity tags on site are a mire of poorly stated confusion.

Bernardo Meurer

9:00 PM

ccache is a blessing

Phase

9:19 PM

I don't really get why the Laplace transform works

I can follow the instructions I'm told but I've never had anyone really explain it nor realised independently. It just seems like voodoo to me

lılostafa

(gn8)

Avantgarde

@Phase It's a kind of variable change

Phase

i get that much but I just dont get why it works

and how it manages to be relatively simple sounding, but so effectiev

*effective

Balarka Sen

9:37 PM

@Avantgarde pls explain cannibal corpse

who listens to this stuff lol

Avantgarde

@Phase Do you get Fourier transform?

@BalarkaSen I don't like them either. Really bad vocal delivery if you ask me

Phase

Isnt a Fourier transform just the same thing but replacing s with iw?

Avantgarde

Almost. Pretty similar

Emilio Pisanty

@Phase more precisely, Laplace transforms are the same thing as Fourier transforms but with a 90° rotation in the frequency domain's complex plane.

That makes the Laplace transform better at treating transient phenomena, (i.e. decaying exponentials) while the Fourier transform is more effective for long-term oscillations

Phase

If its a 90 degree rotation in a complex plane

Balarka Sen

9:41 PM

@Avantgarde there are way too many edgelordy bands on death metal which play extreme music just because they can imo

Phase

Does it make sense to ask how that's distinguished from a Laplace transform you then just multiply by i to rotate it?

Emilio Pisanty

@Phase yeah, it makes sense

though it's important to keep in mind that the differences in the domain of integration are really important

Phase

Nice, how IS it distinguished from that?

Emilio Pisanty

@Phase ^^ se above

but it's ultimately not that relevant to why it works

in that sense, both Fourier and Laplace work for the same reason

they are both transformations that take a function $f(t)$ as input, and attempt to return a 'fingerprint' as output

Phase

A fingerprint of frequency?

Emilio Pisanty

9:45 PM

no, a fingerprint as in a simplified description of your function

the idea being that the fingerprint will be simpler than the original, at least for a broad class of functions that you will use in practice, but it will still be complex enough that it has the breadth to capture all of the relevant variations

Avantgarde

@BalarkaSen Yes. Unfortunately, they seem to be the most popular death metal band you can look up right now. They are .. quite bad lol

Balarka Sen

it's kinda like the scenario in hip hop

Emilio Pisanty

and, if it's complex enough, then you hope that the fingerprinting process will be injective, i.e. that the fingerprint will be unique

Phase

All i've really been asked to do so far is take Laplace transforms

could you give me [ideally the simplest] example of its use in solving ODEs?

Avantgarde

@BalarkaSen You got it!

Emilio Pisanty

9:47 PM

@Phase hmmmm. Yeah, w.r.t. ODEs, the core property is that you build on the nice relationship between exponentials and derivatives to reduce differential operators to algebraic ones

Avantgarde

@Balarka, have you been trying death metal? :P

Emilio Pisanty

so $d/dt$ becomes $-s$ or whatever

Balarka Sen

I was thinking a few days ago that rap and heavy metal music has this similarity that they are quite hard to get into. Neither of them are sonically the easiest music of the world for a beginner.

@Avantgarde nope lol

just stumbled upon that shit

Emilio Pisanty

So you transform a big ugly differential eqn into an easily-solvable algebraic one

and then you hope like hell that you'll be able to revert the transformation

Phase

What signs do you look for

for when it'll be useful

like with int by parts you look for an expression that one part of easily differentiates to something trivial

what's the equivalent for spotting when to use the laplace transform?

Emilio Pisanty

9:49 PM

if there's any functions involved, you want to know their transforms

either that they've been tabulated, or that you can calculate them explicitly

with the amount of work required for the latter giving you an indication of the usefulness of the method

Phase

So basically just learn the rudimentary transforms, and try to recognise chances to use them?

Emilio Pisanty

@Phase a bit, yeah

Phase

Sorry to bother you but one last request

Could you forward me to or explain a simple example of solving an ODE with this method? It would just help concrete it

Emilio Pisanty

keep in mind that once ODEs become non-obvious to solve, the different methods tend to be try-if-it-works, and then if it works then cool, if it doesn't then try the next tool in the toolbox

and there's often no guarantee that a given method will work

or even that there is a method that will work

@Phase not off the top of my head.

Phase

Ok fair enough, ty anyway for the help :^ )

Emilio Pisanty

9:53 PM

is there an ODE textbook you're already using? if so, that's probably the best first place to look

Avantgarde

I'm not sure why rap is that hard for some people to get into. I quite like rap, not the Kanye West, commercial kind, but underground stuff. Metal (not heavy metal, which is a subgenre) is surely, yeah, difficult to get into. Death and black are arguably the hardest, though there are even more 'noisy' and more underground kinds like drone and noise.
Have a look at this chart of rankings of rappers based on their vocabulary. The most popular ones are at the bottom - https://pudding.cool/2017/02/vocabulary/index.html

Phase

Yeah.. Only problem is I'm not gonna be able to get at it until a week or so ahead

Oh yeah @0ßelö7 I got into next year

@EmilioPisanty ty for the help, I'm gonna head to bed now. GN all

Emilio Pisanty

@Phase one last thing, with respect to Laplace vs Fourier, it often helps if you have a physical understanding of whether your problem describes a transient phenomenon or an ongoing oscillation

Phase

Also Avantgarde Death grips mashups are real woke shit

Emilio Pisanty

@Phase 'night

Phase

9:54 PM

Like a waveform vs exponential?

only time I've used Fourier has been to go from position space to momentum

anyhoo NN

Avantgarde

@Phase You like DG? I tried them a bit and they're .. just fine. A bit too experimental lol. I prefer Dälek over DG

Emilio Pisanty

@Avantgarde are you sure your username is correct? =P

Balarka Sen

@Avantgarde I dunno, coming from a folk/rock background, the style in rap is hard to appreciate for me, personally. Well, underground, yes, one of the reasons I like abstract hip hop is it incorporates more sounds. (I'd have to check out Dalek at some point though)

looooooool @EmilioPisanty

I quite like Exmillitary, it's good.

Avantgarde

@EmilioPisanty What do you mean?

Balarka Sen

Oh damn I have heard of Aesop Rock

Avantgarde

9:59 PM

@BalarkaSen Yeah I understand that. I showed you Dälek the other day

Balarka Sen

I was quite impressed by a song of his that I listened to; is he good?

Avantgarde

yeah he's very good

But yeah, only if you like and appreciate rapping, playing with words, etc

Balarka Sen

gotcha

Avantgarde

Lol I remember the day when Hotline Bling came out. Everyone went crazy

0ßelö7

@Phase why wouldn't you?

Avantgarde

10:04 PM

@BalarkaSen So if you like folk/rock, you would've liked Creedence Clearwater Revival?

Balarka Sen

@Avantgarde meh

Actually, now that I think about it, I like rap

This for example

Avantgarde

lmao

@BalarkaSen ...

Balarka Sen

WAKID

Avantgarde

@Balarla Jethro Tull?

'Balarla' lol

dmckee

@BalarkaSen The place to make a connection between folk and rap is through protest music. The genre's share a lot of anger if you look in the right places. That's what I noticed about (dating myself here) Public Enemy when guys in my college dorm were playing them.

Avantgarde

10:08 PM

Oh I have to listen to Public Enemy sometime

Balarka Sen

@Avantgarde Oh yeah they're pretty good

@dmckee Yeah that'd make sense

I think there's a lot of historical and cultural significance to rap; I obviously don't appreciate it because I am not in the part of the world where it's developed :P

I can just try to understand/appreciate the sonics

Avantgarde

Likewise

Oh I've never shared this with you? @Balarka