Light-steerable micro robot (VIDEO) Tampere University This video is under embargo. Please login to access this video. Caption A ligth-driven toroidal swimmer in Stokes regime. Credit Zixuan Deng, Tampere University Usage Restrictions The video may only be used in connection with this press release. 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.