Imagine, if you will, that you're an unstable #quantum system – one that would, if left to its own devices, rapidly decay from one state (let's call it “awake”) into another (“asleep”). Except whenever you start to drift into the “asleep” state, something gets in your way. Maybe it’s a message pinging on your phone. Maybe it’s a curious child peppering you with questions. Whatever it is, it jolts you out of your awake–asleep superposition and projects you back into wakefulness.
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