Fractures, Fractals and Foreign Physics Francisco GuineaEnrique LouisJonathan Katz Citation: Physics Today 44, 4, 13 (1991); doi: 10.1063/1.2810063 View online: http://dx.doi.org/10.1063/1.2810063 View Table of Contents: http://physicstoday.scitation.org/toc/pto/44/4 Published by the American Institute of Physics