/sci/ - Science & Math » Thread #11374860

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Anonymous Mon 10 Feb 18:40:47 2020 No.11374860 View Reply Original Report

Quoted By: >>11374883 >>11374896 >>11374939 >>11375072 >>11375073 >>11375103 >>11375155 >>11375160 >>11375269 >>11375454 >>11375469 >>11376073 >>11376165 >>11376181 >>11376570 >>11376577 >>11377836 >>11378095 >>11378631

but what IS entropy?

Anonymous

Anonymous Mon 10 Feb 2020 18:45:48 No.11374883 Report

Quoted By:

>>11374860
a measure

Anonymous

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Anonymous Mon 10 Feb 2020 18:48:19 No.11374896 Report

Quoted By: >>11374920

>>11374860
The change in entropy is the heat added to a system (per unit temperature of the surroundings) [macroscopic definition]. Heuristically, entropy is the heat that cant be used to do work.
>buh-buh-but does it really exist?
Yes

Anonymous

Anonymous Mon 10 Feb 2020 18:54:32 No.11374920 Report

Quoted By: >>11374924

>>11374896
>heat
no such thing bro

Anonymous

Anonymous Mon 10 Feb 2020 18:55:34 No.11374924 Report

Quoted By:

>>11374920
(You)

Anonymous

Anonymous Mon 10 Feb 2020 18:59:44 No.11374939 Report

Quoted By: >>11374948

>>11374860
It's like where you clean up your room, and you need to eat your tendies to do that.

Anonymous

Anonymous Mon 10 Feb 2020 19:02:29 No.11374948 Report

Quoted By: >>11374959

>>11374939
elaborate

Anonymous

Anonymous Mon 10 Feb 2020 19:07:51 No.11374959 Report

Quoted By:

>>11374948
It takes a lot more energy to clean up a mess than it does to make one.

Anonymous

Anonymous Mon 10 Feb 2020 20:03:17 No.11375072 Report

Quoted By: >>11375267

>>11374860
The volume of a region in phase space belonging to configurations with the same energy.
The higher this volume, the higher the chance to end up there through random fluctuations.

Anonymous

Anonymous Mon 10 Feb 2020 20:04:18 No.11375073 Report

Quoted By:

>>11374860
What kind of entropy do you mean? There are different kinds.

Anonymous

Anonymous Mon 10 Feb 2020 20:09:57 No.11375082 Report

Quoted By:

The difference between the amount of information contained in a microscopic description of a physical system minus that in a macroscopic one.

Anonymous

Anonymous Mon 10 Feb 2020 20:23:24 No.11375102 Report

Quoted By:

I'm a year 1 mech e guy and we were told to think of it as a measure of disorder in a system, generally related to heat.

Anonymous

Anonymous Mon 10 Feb 2020 20:23:25 No.11375103 Report

Quoted By: >>11375113

>>11374860
The opposite of order.
As order in a system increases, entropy decreases

Anonymous

Anonymous Mon 10 Feb 2020 20:28:38 No.11375113 Report

Quoted By: >>11375172 >>11377744

>>11375103
What is order tho?

Anonymous

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Anonymous Mon 10 Feb 2020 20:53:09 No.11375155 Report

Quoted By:

>>11374860
The difference in the measure of what isn't ordered, among that which simply is.

Anonymous

Anonymous Mon 10 Feb 2020 20:53:50 No.11375160 Report

Quoted By:

>>11374860
Time

Anonymous

Anonymous Mon 10 Feb 2020 20:58:30 No.11375172 Report

Quoted By:

>>11375113
The opposite of disorder

Anonymous

Anonymous Mon 10 Feb 2020 21:37:36 No.11375267 Report

Quoted By:

>>11375072
aka fart in the room

Anonymous

Anonymous Mon 10 Feb 2020 21:39:25 No.11375269 Report

Quoted By:

>>11374860
https://en.wikipedia.org/wiki/Shannon%27s_source_coding_theorem

Anonymous

Anonymous Mon 10 Feb 2020 22:50:23 No.11375454 Report

Quoted By: >>11375483

>>11374860
You have a plan for your morning, youre supposed to:
> 1) get up at 7:00am
> 2) brush teeth at 7:10am
> 3) shower at 7:15am
> 4) get dressed at 7:30am
> 5) eat at 7:40am
> 6) get in car and leave at 8:00 so that you arrive at work by 9am

But what ends up happening is this:

>1) you get up at 7:01am because its hard to get up early
> 2) you end up brushing your teeth at 7:12am
> 3) as you're waking up still, you get in the shower at 7:20
> 4) shower is nice and warm, so you start getting dressed at 7:35
> 5) you couldn't find the damn pepper, so now youre eating breakfast at 7:45
> 6) as you get in your car, you realize you forgot your wallet so you go back to look for it and end up leaving at 8:10am

This is entropy.

Anonymous

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Anonymous Mon 10 Feb 2020 22:56:52 No.11375469 Report

Quoted By: >>11375571

>>11374860
a measure of disorder

we happen to be in the glass in the middle

Anonymous

Anonymous Mon 10 Feb 2020 22:59:59 No.11375483 Report

Quoted By: >>11375492

>>11375454
>brush teeth before eating
This is the most retarded thing I've read on /sci/ today, and there are schizo threads up.

Also, that's not at all entropy.

Anonymous

Anonymous Mon 10 Feb 2020 23:02:24 No.11375492 Report

Quoted By: >>11376001

>>11375483
Its just an analogy, you fucking sperg

Anonymous

Anonymous Mon 10 Feb 2020 23:35:15 No.11375571 Report

Quoted By: >>11376153 >>11376179 >>11380211

>>11375469
define complexity

Anonymous

Anonymous Tue 11 Feb 2020 02:47:31 No.11376001 Report

Quoted By:

>>11375492
If that's an analogy for entropy, your mom putting a banana into a condom and then into her vagina then publishing the video on vimeo is an analogy for entropy too.

Anonymous

Anonymous Tue 11 Feb 2020 03:40:41 No.11376073 Report

Quoted By:

>>11374860
Friction is entropy pretty much. Entropy can be interpreted as the amount of energy that is lost to a form which cannot be recovered.

Anonymous

Anonymous Tue 11 Feb 2020 04:18:59 No.11376153 Report

Quoted By:

>>11375571
Kolmogorov.

Anonymous

Anonymous Tue 11 Feb 2020 04:26:43 No.11376165 Report

Quoted By:

>>11374860
An arrogant assertion that the universe is a closed system and that no matter or energy is produced when in fact we do not know how big the universe is (could be infinite aka not a closed system or could interact with other pockets of space ad infinitum) and it is also possible that we simply haven't observed the places in which new matter and energy emerge rather than it not happening at all.

Anonymous

Anonymous Tue 11 Feb 2020 04:33:40 No.11376179 Report

Quoted By:

>>11375571
Buy money faggoy

Anonymous

Anonymous Tue 11 Feb 2020 04:34:09 No.11376181 Report

Quoted By: >>11376185 >>11376194

>>11374860
What is happiness?

Anonymous

Anonymous Tue 11 Feb 2020 04:36:17 No.11376185 Report

Quoted By:

>>11376181
How many possible answers to this question

Anonymous

Anonymous Tue 11 Feb 2020 04:37:12 No.11376189 Report

Quoted By:

J/K

Anonymous

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Anonymous Tue 11 Feb 2020 04:38:46 No.11376194 Report

Quoted By:

>>11376181
when you are not unhappy

Anonymous

Anonymous Tue 11 Feb 2020 08:40:31 No.11376568 Report

Quoted By: >>11377256

Shittiest entropy thread ever. So much bullshit.

Anonymous

Anonymous Tue 11 Feb 2020 08:41:47 No.11376570 Report

Quoted By:

>>11374860
The clamp tightening on the Universe's cord. Entropy is its life being extinguished.

Entropy is a downstream manifestation of the clamp.

Anonymous

Anonymous Tue 11 Feb 2020 08:43:48 No.11376577 Report

Quoted By:

>>11374860
logarithm of the number of possible states in a system

Anonymous

Anonymous Tue 11 Feb 2020 17:30:15 No.11377256 Report

Quoted By: >>11379016

>>11376568
You certainly aren't helping, mister

Anonymous

Anonymous Tue 11 Feb 2020 21:31:32 No.11377744 Report

Quoted By:

>>11375113

All particles of the system own same momentum (in direction and amount), kind of particle is same and the structure they arrange is homogeneously.

Anonymous

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Anonymous Tue 11 Feb 2020 21:52:58 No.11377794 Report

Quoted By:

$\text{d}S\equiv\frac{\delta Q}{}T_{\text{surr}}$

Anonymous

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Anonymous Tue 11 Feb 2020 21:54:10 No.11377800 Report

Quoted By:

$\text{d}S\equiv\frac{\delta Q}{T_{\text{surr}}}$

Anonymous

Anonymous Tue 11 Feb 2020 22:04:05 No.11377825 Report

Quoted By:

you see oneitis
you want to fugg oneitis and have children with her and live in the countryside
you buy roses and write her a poem and dress ORDERLY
you give them to her and rake a knee and tell her that you want her to be your tradwife
she screams for help and calls the police WRECKING ALL YOUR ORDER
now you will never get her back without a FORCE OUTSIDE your circle
now it's impossible to ARRANGE anything with her and there is nothing that can change that other than ADDING MORE EXPIRIENCE AND MAXXING FROM ANOTHER PLACE

Anonymous

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Anonymous Tue 11 Feb 2020 22:09:23 No.11377836 Report

Quoted By: >>11378082 >>11379026

>>11374860
Am I the only comp sci person who thought of information entropy first over heat entropy?

Anonymous

Anonymous Tue 11 Feb 2020 23:53:55 No.11378082 Report

Quoted By:

>>11377836
You are not

Anonymous

Anonymous Tue 11 Feb 2020 23:56:22 No.11378095 Report

Quoted By:

>>11374860
Typically, S

Anonymous

Anonymous Wed 12 Feb 2020 04:02:28 No.11378631 Report

Quoted By:

>>11374860
measure of disorder with a unit of entropees.
eg: a room at maximum cleanliness - 0 entropees.
your room full of homosexual activities after a week - 7 entropees

Anonymous

Anonymous Wed 12 Feb 2020 07:46:03 No.11379016 Report

Quoted By:

>>11377256
I did.

Anonymous

Anonymous Wed 12 Feb 2020 07:53:01 No.11379026 Report

Quoted By:

>>11377836
They are the same thing.

> Are you telling me that if I just knew the exact vectors of every particle in a system, it would magically become cold?

Yes, because it would enable you to construct a Maxwell's Demon for that system without the respective entropy penalties it takes to look at the particles.

Anonymous

Anonymous Wed 12 Feb 2020 20:36:45 No.11380182 Report

Quoted By:

Top tier shitpost anon

Anonymous

Anonymous Wed 12 Feb 2020 20:51:04 No.11380211 Report

Quoted By:

>>11375571
roughly how difficult it would be to completely describe the macroscopic configuration.

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