Canadian scientists Christian Ilies Vasile and Martin Kryzwinski have utilized data visualization software to create beautiful and colorful visual representations of mathematical constants π (pi), φ (phi), and e using transition probabilities and color-coded digits on Archimedean spirals. That's quite a mouthful. Just look, and enjoy. More here.
Via Joe Hansen's great blog, http://www.itsokaytobesmart.com/