Physics & Astronomy Colloquium Series Thursdays at 3:30 pm Previous Colloquia and Videos: (2008 - 2021) Optical spectroscopy of excitonic states & electronic phases 2D semiconductors & moiré superlattices Dr. Chun Hung (Joshua) Lui Duality and Emergent Symmetry in 2D Electron Systems - Dr. Michael Mulligan Probing Emergent Electronic States in 2D Quantum Materials - Dr. Yong-Tao Cui