What is so fascinating about bubbles? The precise spherical shape,the incredibly fragile nature of the microscopically thin soap film,the oeautiful colours that swirl and shimmer,or most likely,a combination of all these phenomena? Why does a bubble form a sphere at all? Why not a cube,tetrahedron,or other geometrical figure? A soap bubble is a spherical layer of soap film encapsulatinq air or qas.The film consists of a thin sheet of water sandwiched between two layers of soap molecules.One end of each soap molecule is hydrophilic,or attracted to water.
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