Showing posts with label why do wires get tangled. Show all posts
Showing posts with label why do wires get tangled. Show all posts

Saturday, October 22, 2011

Something Knotty Going On

Ever wonder how the wire on your earbuds for your smartphone or Blackberry go into your pocket semi-organized and come out knotted into an untangleable jumble?

Me too.

It's actually quite freaky. Cords sitting in drawers seem to do the same thing. There's actually a competition based on how long it takes for people to untangle their technology cord jumbles.

So what's up?

I Googled it. Here's part of the answer:

the fundamental ubiquity of knots comes from the fact that they tie themselves: knots are generated by the combination of a long string with some sort of random motion. This is a sort of derivative law of nature stemming from the Second Law of Thermodynamics (maximize entropy) as applied to long floppy things: Long Things Get Tangled.
Wow!

And there's more:

 the knot forms in two stages: First, a loop or series of loops come together, and then the free end finds its way through the tangle.

And surprise - the tangles aren't random. They're predictable:

Among the issues now coming to light is that spontaneous knotting is apparently not a random process.
  See, we knew that!

There's great news though. Here's the solution:

if you don't want the drawcords on your venetian blinds to knot themselves up, get some stiffer cord—or a smaller room.
Stiffer cord and a smaller room! Perfect. Start wearing tight jeans.

That way, no more 5 minute delay untangling some unrandom knot when you decide it's time for a little smartphone music!

Stay tuned, I'm about to Google "what happened to my other sock?"!

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