To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S1. Retardance movie, related to Fig. 1. Time-lapse movie of the retardance from the LC-Polscope. Frame rate 1/4s; 50× speed. Physical basis of spindle self-organization Jan Brugués, and Daniel Needleman PNAS. 2014. 111:18496-18500 DOI: 10.1073/pnas.1409404111 Download Original Video Browse All Videos »