Video with model simulation (VIDEO) Sissa Medialab This video is under embargo. Please login to access this video. Caption In the video, you can see how coherent collective motion waves emerge from the random movement of particles Credit Material provided by the author of the paper, Julien Tailleur Usage Restrictions No restrictions. License CC0 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.