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Explore quantum scattering amplitudes across vastly different scales in this conference talk that examines phenomena from the attoscopic (10^-18 seconds) to the ronnascopic (10^27) realm. Delve into the mathematical frameworks and physical principles governing particle interactions at these extreme temporal and spatial scales, understanding how quantum field theory describes scattering processes from subatomic particle collisions to cosmological events. Learn about the computational techniques used to calculate amplitudes, the symmetries that govern these interactions, and the connections between microscopic quantum mechanics and macroscopic gravitational phenomena. Discover how modern theoretical physics bridges the gap between the smallest measurable time scales in particle physics and the largest scales relevant to gravitational wave astronomy and cosmology.
