Figure 1 (IMAGE) Tohoku University Caption An interesting "burst effect" was found on the dehydrogenation of a typical solid-state hydrogen storage material, MgH2. After the sluggish dehydrogenation at the first layer, hydrogen desorption from the subsequent layers will be much easier. Credit Hao Li 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.