Explore a comprehensive lecture on quantum supremacy and superconducting processors delivered by Julian Kelly from Google at the Simons Institute. Delve into Google's hardware path, John Preskill's concept of quantum supremacy, and the benchmarking process for quantum devices. Examine the Sycamore architecture, including its tunable coupling design and calibration challenges. Learn about the cross-entropy benchmarking (XEB) technique, component error rates, and scalable design principles. Discover how artificial intelligence, specifically the "Optimus" system, is utilized for calibrating quantum processors. Gain insights into frequency optimization problems and various benchmarking methods for processor configurations in this in-depth exploration of cutting-edge quantum computing technology.