Explore the intricacies of black-hole ringdowns in this hour-long seminar featuring speakers Keefe Mitman and Saul Teukolsy from Caltech. Delve into the fascinating topic of nonlinearities in black-hole ringdowns, gaining insights from expert researchers in the field of gravitational physics. Expand your understanding of advanced concepts in astrophysics and general relativity as part of the DGRAV Seminar Series.