Figure 4 (IMAGE) Tohoku University Caption An image obtained by high-magnification transmission electron microscopy. The red areas indicate nanopores. The blue areas indicate contaminants. Atomic defects exist in the locations indicated by the arrows. Credit Yuuki Uesugi et al. Usage Restrictions Reporters may use freely these materials in news coverage with appropriate credit information. 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.