Soap Film
Soap films are thin layers of liquid (usually water-based) surrounded by air. For example, if two soap bubbles come in to contact, they merge and a thin film is created in between. Thus, foams are composed of a network of films connected by Plateau borders. Films are used as model systems for minimal surfaces, which are widely used in mathematics.
Read more about Soap Film: Stability of Soap Films, Importance of Surface Tension: Minimal Surfaces, Colours of A Soap Film, Drainage of A Soap Film, Bursting of A Soap Film
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—Gilbert Keith Chesterton (1874–1936)
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—V.S. (Vidiadhar Surajprasad)