chapter 5 excerpt 1

The number (√2-1)/4 appeared within it, and similar isosceles triangles appeared in the other quadrants of the circle. Then smaller isosceles triangles appeared in between those and the arc of the circle. Around and around the triangles appeared with ever smaller triangles to fill the gaps and more and more complicated numbers until finally the entire circle was filled with red, and all that remained was a point in the center and the number π above it.