Drexel University Microswimmer Robots (VIDEO) Drexel University This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Drexel's microswimmer robots are chains of nanoscale iron-oxide beads can be controlled using a magnetic field to propel themselves by spinning like a corkscrew. As part of an international research collaboration, these robots will be used for intravenously clearing out blocked arteries. Credit Drexel 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.