A capsule (from Latin capsula, "small box or chest"), or stadium of revolution, is a basic three-dimensional geometric shape consisting of a cylinder with hemispherical ends. Another name for this shape is spherocylinder.
The shape is used for containers for pressurised gasses.
The volume of a capsule is calculated by the formula where is the radius of the cylinder and hemispheres and is the height of the cylindrical part.
The surface area formula is where is the radius of the cylinder and hemispheres and is the length of the cylindrical part.
- "Capsule". Mathworld.wolfram.com. 2005-10-20. Retrieved 2013-01-31.
- Dzubiella, Joachim; Matthias Schmidt; Hartmut Löwen (2000). "Topological defects in nematic droplets of hard spherocylinders". Physical Review E 62: 5081. doi:10.1103/PhysRevE.62.5081.
- "Capsule Calculator". Calculatorsoup.com. Retrieved 2013-02-18.
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