Explore the frontiers of gravitational wave astronomy in this 43-minute lecture by William East from Perimeter Institute. Delve into the impact of gravitational wave detection on various fields of physics, from field theory to stellar evolution and cosmology. Learn about the challenges and opportunities presented by current and future gravitational wave experiments, including the need for precision modeling of signals. Discover the interdisciplinary connections being forged between classical relativists, field theorists, and experts in scattering amplitudes. Examine topics such as modifying general relativity, nonlinear equations, and specific theories like Einstein's scalar Gauss-Bonnet. Investigate the search for new physics in gravitational wave signals, including the study of ultralight bosons and frequency drift in waveform models. Gain insights into the latest advancements in gravitational wave modeling and the most promising tools and techniques emerging from classical and quantum field theory. Read more