Shadow of a Crack Propagating (VIDEO) The Hebrew University of Jerusalem This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption This video shows the shadow of a crack propagating from left to right while forming a facet bounded by two diverging steps. Credit (Credit: Hebrew University of Jerusalem) Usage Restrictions Please include video credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.