If you'd like some sexy French graphics to accompany that, there's a good Dimensions episode devoted to imaginary numbers. I found it on YouTube at http://www.

If you'd like some sexy French graphics to accompany that, there's a good Dimensions episode devoted to imaginary numbers. I found it on YouTube at http://www.youtube.com/watch?v=egIPnwcJuZ8 http://www.youtube.com/watch?v=egIPnwcJuZ8 But the main website is http://www.dimensions-math.org/Dim_download_E.htm http://www.dimensions-math.org/Dim_download_E.htm And I think it's chapter 5.