Tech at NIF (IMAGE) University of Chicago Caption A technician works at the National Ignition Facility. Scientists used the array of 196 lasers to create conditions similar to the hot gas inside gigantic galaxy clusters. Credit National Ignition Facility Usage Restrictions Use with credit 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.