Abstract: Polyatomic molecules uniquely enable the simultaneous combination of multiple features advantageous for precision measurement. Searches for charge-parity (CP) violation benefit from large internal molecular fields, high polarizability, internal co-magnetometry, and the ability to cycle photons - all of which can be found in certain polyatomic species. We discuss experimental and theoretical developments in several linear metal hydroxide (MOH) species. These include spectroscopic mapping of EDM-sensitive states, the demonstration of a "pathfinder" EDM experiment with ultracold and trapped polyatomics, and the study of cold molecules with exotic nuclei. We discuss how polyatomic structure gives rise to unique capabilities, such as the existence of EDM-sensitive yet field-insensitive measurement schemes. We also discuss progress towards extending these methods to species with short-lived nuclei, more complex ligands, and other advantageous features for precision measurement.
Lunch will still be provided since we could not cancel the food at noon.