Back to Article List From the July 2008 issue When black holes merge Numerical relativity researcher Manuela Campanelli describes the culminating moments of the merger of two black holes. By Daniel Pendick | Published: July 25, 2008 | Last updated on May 18, 2023 Key Takeaways: Manuela Campanelli, the director of the Rochester Institute of Technology’s Center for Computational Relativity and Gravitation, heads of group of researchers who simulate the merger of black holes in a supercomputer.