
The spherical cow is a humorous metaphor for highly simplified scientific models of complex phenomena. Originating in theoretical physics, the metaphor refers to some scientific tendencies to develop toy models that reduce a problem to the simplest form imaginable, making calculations more feasible, even if the simplification hinders the model's application to reality.
== History ==
The phrase comes from a joke that spoofs the simplifying assumptions sometimes used in theoretical physics.
Milk production at a dairy farm was low, so the farmer wrote to the local university, asking for help from...