[math-fun] re; big sunflowers

The following small postscript program provides a similar graphic; %!PS 297 421 translate 0 .1 400{dup dup sqrt 4 div 0 360 arc fill 137.50775 rotate}for showpage 137.50775.. is the 'golden angle' If you gradually change the rotation angle and animate , you get this; http://www.youtube.com/watch?v=1GK1JfivJSU No editing was done, just a gradual change of angle. what interested me was the appearance and metamorphosis of different cycles. Stuart