http://schoengeometry.com/c_inf_til.html

http://sacred-geometry-quantum-magic.blogspot.com/2011/10/httpmainisusuallyafunction.html

http://www.i-sis.org.uk/Golden_Mean_Wins_Chemistry_Nobe_Prize.php?printing=yes

it is significant that quasicrystals do represent minimum energy structures [2, 5], and hence a kind of frozen equilibrium between harmony and tension in just the right degree, which may be where beauty lies.

http://en.wikipedia.org/wiki/File:P1-P5.gif