Human swarm experiment (IMAGE) PNAS Nexus Caption Human Swarm experiment: (a) Groups of 10 to 20 participants were asked to walk around a large hall, turning left and right while staying together as a group. Their head positions were recorded with 16 motion-capture cameras (b) Head trajectories were reconstructed using a computer program. The visual model predicted the trajectories of individual participants, using the visible motions of their neighbors as input. Credit William Warren Usage Restrictions None License Original 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.