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Minimal SurfaceIn mathematics, a minimal surface is a surface with a mean curvature of zero. This includes, but is not limited to, surfaces of minimum area subject to constraints on the location of their boundary. Physical models of area-minimizing minimal surfaces can be made by dipping a wire frame into a soap solution, forming a soap film. Examples of minimal surfaces include catenoids and helicoids. A minimal surface made by rotating a catenary once around the axis is called a catenoid. A surface swept out by a line rotating with uniform velocity around an axis perpendicular to the line and simultaneously moving along the axis with uniform velocity is called a helicoid. Minimal surfaces have become an area of intense mathematical and scientific study over the past 15 years, specifically in the areas of molecular engineering and materials science, due to their anticipated nanotechnology applications. See also soap bubble, Plateau's problem, curvature External links Touching Soap Films graphical introduction to minimal surfaces and soap films.
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