Recorded 30 January 2025. Robert Ecke of Los Alamos National Laboratory presents "Wall modes in rotating convection - Where do we stand?" at IPAM's Rotating Turbulence: Interplay and Separability of Bulk and Boundary Dynamics Workshop. Abstract: The existence of traveling wall modes in rotating Rayleigh-Bénard convection has been known for almost 25 years. Recently there has been renewed interest in wall modes owing to their rather complex contributions to total heat transport in physical experiments at very rapid rotation that attempt to compare with asymptotic descriptions of bulk rotating convection. I will describe direct numerical experiments that elucidate many of the features of wall modes in cylindrical containers with either perfectly insulating or perfectly conducting sidewall boundary conditions. The former is typical of experiments using water with acrylic sidewalls whereas the latter may apply to cryogenic helium experiments with stainless steel sidewalls or to compressed gases with acrylic sidewalls. The interplay of between wall modes and bulk modes reveals jet-like emissions from the wall modes into the bulk region and apparent nucleation of bulk-like features in the wall mode regions before the appearance of bulk instability. I will attempt to summarize where the field stands with respect to understanding the novel wall mode state and how it affects bulk onset Learn more online at: https://www.ipam.ucla.edu/programs/workshops/rotating-turbulence-interplay-and-separability-of-bulk-and-boundary-dynamics/