RELAMPAGO-CACTI (IMAGE) U.S. National Science Foundation Caption Scientists working on RELAMPAGO-CACTI will study some of the world's most intense thunderstorms. Credit RELAMPAGO-CACTI Usage Restrictions None 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.