Image of simulation (IMAGE) University of Göttingen Caption A snapshot of the researchers’ simulation showing orientational ordering under steady shear deformation. Colours code the orientation of the self-propulsion forces, e.g. blue for downward and red for upward; neighbouring particles tend to be oriented in similar directions. Credit Dr Rituparno Mandal Usage Restrictions No restrictions. License Public Domain 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.