Demo: https://matthias-research.github.io/pages/tenMinutePhysics/18-flip.html In this tutorial I explain the FLIP method. It is an extension of the Eulerian fluid simulation method which uses particles to distinguish air from water cells. For the source html code, demo and all other tutorials see https://matthias-research.github.io/pages/tenMinutePhysics/index.html There is also a discord server to discuss all videos here: https://discord.gg/TvqBcyfHJN