Photo 1 (IMAGE) The University of Hong Kong Caption Figure 1. Instability of suspended single-layer graphene. Scale: a 1 μm, 500 nm, 200 nm, and d 1 μm. Credit The University of Hong Kong Usage Restrictions N/A 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.