A Large Vortex (image) Hokkaido University Share Print E-Mail Caption A large vortex was formed under radial strain on the substrate. Credit Daisuke I. et al., ACS Nano. October 4, 2019 Usage Restrictions These images are copyrighted and can be used for reporting this research work without acquiring a permission if credited as instructed. Share Print E-Mail 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.