Explore a 46-minute conference talk on "Radiofrequency Reflectometry Measurement of Superfluid Stiffness of 2D Superconductors" presented by Philip Kim from Harvard University. Delve into cutting-edge research on moiré materials and their applications in quantum matter, focusing on the measurement techniques for superfluid stiffness in two-dimensional superconductors. Gain insights into the pressing theoretical questions surrounding moiré materials, including the origin of superconductivity, the nature of correlated states, and the role of topology. Learn about experimental challenges and novel techniques in this field, as well as emerging tunable platforms such as twisted superconductors and topological surface states. Recorded as part of the "Moiré materials: A New Paradigm in Tunable Quantum Matter" conference at the Kavli Institute for Theoretical Physics, this talk offers a unique opportunity to explore the forefront of condensed matter physics and materials science.