double bubble conjecture
the Musselshell River in Montana, USA, named for its freshwater mussels. / A census-designated place in Musselshell County, Montana, which is near the river.
(mathematics) A conjecture in the theory of minimal surfaces, stating that the shape that encloses and separates two given volumes and has the minimum possible surface area is a standard double bubble: three spherical surfaces meeting at angles of 2π/3 on a common circle.
standard double bubble
(organic chemistry) An organic compound with chemical formula C₁₃H₁₀O₂, used to test the levels of urea in the bloodstream.
Happening in the middle of April.
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