Schrödinger's cat

Initial cat state or prepared cat state


a cat is in a superposed state of alive and dead.

alive cat + alive cat

Make an observation or turn on the switch below


there is 50% chance that the cat will be alive or dead if you turn on the switch.

Final state or state observed by you


your cat is ...

alive cat
dead cat

it's too simple, why it matters?


more detailed scenario >>