메뉴 건너뛰기

OBG

정보게시판

과학
2010.05.15 22:39

Why do wires get tangled up?

조회 수 330 추천 수 0 댓글 0
?

단축키

Prev이전 문서

Next다음 문서

크게 작게 위로 아래로 댓글로 가기 인쇄
?

단축키

Prev이전 문서

Next다음 문서

크게 작게 위로 아래로 댓글로 가기 인쇄

 

 

his post is a tribute to this site – It certainly made me google (bing u would say?) up on a question that always confronted me everyday.

Why do wires get tangled up?

It happens with my earphones, my mouse cable, my laptop cable, my mobile charger cable – any cable or wire I use. I’ll sort it carefully and keep it in its place, and few hours later, voila! It’ll be in a complete mess with multiple knots and it’ll take me atleast a few minutes to clear it up.

Results of googling:

a) Best Result

The reason stuff like this happens has to do with entropy and statistics.  It comes down to this: whenever you have a system with many possible states, all of roughly equivalent energies, and then you allow energy input to “scramble” the system, then you will see this effect.
Basically, the idea is that there are MANY more unordered ways the system (eg, bunch of wires) can be arranged than there are ordered ways.  So, if you input energy (jumble them around) the odds are overwhelming that the output will be one of the disorder states.
Take an example.  Fill a jar half full of green jelly beans.  Then put a nice flat layer of red jelly beans carefully on top.  Close the lid.  Now lay the jar on it’s side and roll it down stairs.  You are inputting energy to the system to scramble it.  Even though it COULD happen that the beans end up still in a nice colorful layer, the odds are that you will have a jar full of mixed red and green jelly beans.
Now think about your cable wires.  In your pocket, as you walk around, sit, stand etc, you are putting energy into the system to mix it up.  As soon as the wires move around even a little, it’s very unlikely that they will ever just happen to go back.  The longer they stay in your pocket, the more mixed up they get.

The reason stuff like this happens has to do with entropy and statistics.  It comes down to this: whenever you have a system with many possible states, all of roughly equivalent energies, and then you allow energy input to “scramble” the system, then you will see this effect.

Basically, the idea is that there are MANY more unordered ways the system (eg, bunch of wires) can be arranged than there are ordered ways.  So, if you input energy (jumble them around) the odds are overwhelming that the output will be one of the disorder states.

Take an example.  Fill a jar half full of green jelly beans.  Then put a nice flat layer of red jelly beans carefully on top.  Close the lid.  Now lay the jar on it’s side and roll it down stairs.  You are inputting energy to the system to scramble it.  Even though it COULD happen that the beans end up still in a nice colorful layer, the odds are that you will have a jar full of mixed red and green jelly beans.

Now think about your cable wires.  In your pocket, as you walk around, sit, stand etc, you are putting energy into the system to mix it up.  As soon as the wires move around even a little, it’s very unlikely that they will ever just happen to go back.  The longer they stay in your pocket, the more mixed up they get.

b) Most Innovative Result (lol! :D )

There is a conspiracy when you turn your back little gnomes appear and tangle them up into teeny tiny knots while they steal your socks and hide your car keys

c) Alternate Theories (hmm…)

  1. I say it’s due to a small group of creature’s called the tangle pixies who get a kick out of it, much like the gnomes who steal underpants.
  2. It’s because of something similar to the Tooth Fairy. It’s the Wire Tangling Fairy, and it doesn’t give you money.
  3. And you thought Lord of the Rings was a fictional movie! Huh! :P

     

    http://ninjatalli.wordpress.com/2009/07/02/why-do-wires-get-tangled-up/

?

List of Articles
번호 분류 제목 글쓴이 날짜 조회 수
192 IT 좋은 컴퓨터 의자 file MoA 2013.11.24 324
191 사설 “기자님, ‘네티즌 반응’은 왜 쓰나요?” MoA 2014.03.30 325
190 시사 '산케이 지국장 기소' 파문.. "대통령 명예 지키려고 국가의 명예 추락시켜" MoA 2014.10.11 325
189 교양 냄새 제거 방법 MoA 2007.03.29 326
188 교양 마음이 들린다 - 네이버캐스트 오늘의 문학 모아레 2011.04.15 326
187 교양 당신은 개를 키우면 안된다 file MoA 2014.02.16 326
186 IT FTP서버 active, passive mode 비지 2011.05.05 328
185 IT 세계에서 제일 작은 공유기 MoA 2013.08.16 328
184 IT 원격 데스크톱 설정 모아레 2009.07.15 329
183 IT 스티브 잡스는 ‘현실’기반의 보수적 혁신가 모아레 2011.01.24 329
» 과학 Why do wires get tangled up? 모아레 2010.05.15 330
181 교양 어쿠스틱 기타에서 EQ란 도대체 무엇일까요? MoA 2013.08.21 330
180 교양 What the Social Progress Index can reveal about your country MoA 2014.11.30 334
179 교양 Abbreviations 모아레 2009.10.31 335
178 과학 NASA 발표에 대해 쉽게 정리한 글 모아레 2010.12.26 335
177 IT How does Facebook generate the list of friend icons on the left side? 비지 2011.05.30 335
176 IT 플래시 폰트 임베드하는법 MoA 2006.08.24 336
175 IT XP Secrets MoA 2007.06.21 336
174 IT 왜 나는 키보드에 열광하는가 Naya 2011.08.30 336
173 과학 논문에 쓰이는 표현의 진실 비지 2011.05.08 337
Board Pagination Prev 1 ... 5 6 7 8 9 10 11 12 13 14 ... 19 Next
/ 19
위로