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Re: Imaginary numbers - most interesting points

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  • Subject: [mg98859] Re: [mg98647] Imaginary numbers - most interesting points
  • From: János Löbb <janos.lobb at>
  • Date: Mon, 20 Apr 2009 19:09:21 -0400 (EDT)
  • References: <>

On Apr 15, 2009, at 4:59 AM, robert prince-wright wrote:

> I have (perhaps unwisely!) decided to do a 'Pecha Kucha' on 
> imagination .... or at least imaginary numbers. The audience are all 
> engineers with hazy recollection of undergrad maths.
> If you are not familiar with Pecha Kucha, then its worth checking 
> Youtube and doing some googling. Simplistically the concept is to 
> share understanding of something using 20 slides. Each slide should 
> convey as much as possible with as few words as possible, with the 
> message limited to 20 seconds!
> So, what is the most interesting thing about the imaginary number 
> 'i' that you can think of, and how can it most simply be conveyed 
> using Mathematica 7 in Slide presentation form?
> I've started with the notion of polynomial roots, de Moivre, 
> reflections etc. but would appreciate a wider view.
> R

Well, if You have time for it, read Roger Penrose  "Road to Reality".  
He is using "complex number magic" all the time :)

With the best,


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