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MathGroup Archive 2007

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Re: rotating rings illusion

  • To: mathgroup at smc.vnet.net
  • Subject: [mg80805] Re: rotating rings illusion
  • From: dimitris <dimmechan at yahoo.com>
  • Date: Sun, 2 Sep 2007 02:56:00 -0400 (EDT)
  • References: <fbar32$qgu$1@smc.twtelecom.net>

On 1     , 07:50, "Imran Akbar" <im... at sulug.stanford.edu> wrote:
> Hi,
>    i'm just starting to use mathematica...
>
> i'm trying to mathematically model the two rotating rings illusion as shown
> in this video:http://video.google.com/videoplay?docid=-3761503348838584940&hl=en
>
> 1)  how do you create a ring in mathematica?  i found the circle command,
> but that's only 2d.
> 2)  how can I orient each ring so that they're perpendicular to each other?
> 3)  how do I vary the # of rotations per minute in an animation?
>
> much obliged,
> imran

Not very helpful but I think you must first learn some of the basics
of Mathematica
before proceeding in projects like this animation.

Dimitris



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