We are all familiar with the everyday notion of two-sided symmetry, but in its broadest interpretation symmetry is a property which involves regularity and repetition. This book presents selected exam
The Golden Section has played a part since antiquity in many parts of geometry, architecture, music, art and philosophy. However, it also appears in the newer domains of technology and fractals. This
The 99 points of intersection presented here were collected during a year-long search for surprising concurrence of lines. For each example we find compelling evidence for the sometimes startling fact
