Explore the nonlinear interaction of vortex sheets in multi-interface Kelvin-Helmholtz, Rayleigh-Taylor, and Richtmyer-Meshkov instabilities in this 23-minute conference talk by Chihiro Matsuoka from Osaka Metropolitan University. Recorded as part of the Interfaces and Mixing in Fluids, Plasmas, and Materials conference at the Kavli Institute for Theoretical Physics, this presentation delves into the complex dynamics of fluid interfaces and instabilities. Gain insights into the applications of quantum metrology in fundamental physics, including dark matter searches and gravitational wave detection. Discover the unexpected connections between quantum metrology methods and various fields of physics, from optics to condensed matter, atomic physics, and quantum information. Learn about the conference's objective to foster cross-disciplinary collaboration and promote new scientific discoveries in the realm of quantum technologies and fundamental physics studies.