Trapped (IMAGE) DOE/Pacific Northwest National Laboratory Caption In this computer simulation, light and dark purple highlight the cavities within the 3-D pore structure of CC3. Credit <I>Nature Materials</I> 2014 Usage Restrictions Credit <I>Nature Materials</I> 2014 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.