Crawling robot (IMAGE) Northwestern University Caption Using the new soft actuator, engineers designed a flexible crawling robot that can navigate tight, hairpin curves inside a pipe. Credit Ryan Truby/Taekyoung Kim/Northwestern University Usage Restrictions add credit 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.