Searching Atom-by-Atom (IMAGE) DOE/Pacific Northwest National Laboratory Caption Pacific Northwest National Laboratory materials scientist Danny Perea looks into an atom probe, which he and an international team of scientists used to locate aluminum clusters responsible for the shutdown of catalytic activity in zeolites, a material used by industry to produce fuel and other chemicals. Credit PNNL Usage Restrictions Photo use permitted with appropriate caption and credit. 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.