Schrodinger's Cat

Schrodinger's proposition that, since a cat could not be both dead and alive at the same time it followed that the superposition of a single particle in two different states at the same time was equally absurd, somehow became; 'the superposition of a particle can be verified, since a cat can be both dead and alive at the same time'

The ultimate irony, of course, being that the latter is now considered to be quite likely