Eli5: Schrödinger’s cat theory

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Anytime I read about it or when I hear people using it to describe a situation I feel stupid as shit. And how is it can be used to quantumcomputers?
Help a dumbass out. Thanks.

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Anonymous 0 Comments

Schodinger’s cat is like a shower thought, musing on the difference between the world we observe and think we understand, and the quantum world.

If you put a cat in a box with a vial of poison that might be broken at any time, you won’t know until you open the box if the cat is alive or dead. But as far as we know, at any point in time, the cat is either still alive, or already dead, even if we don’t know it. It’s state (as far as we know), is what it is, independent of our knowledge.

However, if the cat were a quantum particle, then it would be in both possible states until we opened the box, and wouldn’t actually be dead or alive until we looked inside the box, at which time it would instantly be either alive or dead. It’s state only seems to resolve itself when we check it out, and up until then it seems to be in some combination of both or neither.

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