Microscopic Images (IMAGE) University of Tokyo Caption These are electron microscope images of the test sample at different magnifications. Credit Image (c) 2019 Nakamura et al. Usage Restrictions Image (c) 2019 Nakamura et al. 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.