Robotic Arm (IMAGE) Proceedings of the National Academy of Sciences Caption This is a snake-like robotic arm with a flower-like gripper driven by a single vacuum source. Credit Shuguang Li Usage Restrictions None License Licensed 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.