BECAUSE THE OBSERVER COLLAPSED THE WAVE FUNCTIONS:

Erwin Schrödinger's famous thought experiment involves a cat in a box that is simultaneously alive and dead until an observer looks at it. This is an extreme example of a quantum effect called superposition in which a physical system such as an atom or photon can exist in two or more quantum states until a measurement is made on it. While superposition is a regular feature of the microscopic world, it is never seen in our everyday lives.

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