NASA's Stennis Space Center has unveiled an interactive exhibit at INFINITY Science Center that allows visitors to experience being a NASA engineer.The exhibit is a simulator of an RS-25 engine hot fire test, where users can learn to manage propellants and other elements.Visitors can view real hot fires conducted at NASA Stennis and gain a deeper understanding of rocket propulsion testing and NASA's Artemis missions.The exhibit is a collaboration effort and visitors can repeat the simulation as many times as they like.