Actuators developed from polymer tubes (IMAGE) Northern Arizona University Caption Cavatappi pasta (A) and the actuators developed (C-H) from the simple drawn polymer tubes (B) Credit Northern Arizona University 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.