Segmented Robot (IMAGE) Princeton University, Engineering School Caption The robot is made of segments that can fold into a flat disk and extend into a cylinder. Partial folds bend the robot and allow for motion and steering. Credit Frank Wojciechowski/Princeton University Usage Restrictions non-commercial use 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.