Model of a nanocluster catalyst (IMAGE) University of Nottingham Caption A model of a nanocluster catalyst featuring ruthenium atoms as green and white (with the white atoms highlighting the active centre) arranged as a flattened pyramid on a carbon support (represented by black atoms). In the background, the magnetron sputtering system is seen used to produce the nanoclusters. Credit University of Nottingham Usage Restrictions N/A 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.