Fluids interact in fascinating ways, creating striking patterns and dynamic movements depending on whether they mix or remain separate. This gallery explores the behavior of both miscible and immiscible fluids, capturing the intricate details of their interactions. Included are oil drops on water, delicate soap films, and the mesmerizing effects of milk, food coloring, and oil with a touch of soap. These images reveal the beauty of fluid dynamics, from the swirling diffusion of miscible liquids to the bold, defined boundaries of immiscible ones.