Quantum measurement fixes reality by linking superposition (the simultaneous existence of multiple states) with the observer's memory. The authors propose a "reality control" protocol that allows probabilistically transitioning to another reality already encoded in the initial quantum state, without reversing decoherence (the destruction of superposition) of the environment. For this, it is sufficient to locally erase the information in the brain about which outcome was observed—without touching the external world. However, there is a fundamental limitation: the transition itself cannot be consciously experienced, because all memories are rearranged to fit the new reality. Only nonlinear operations beyond the standard theory could make such navigation verifiable.
According to physicist Hugh Everett, every observation splits the universe into parallel branches. Normally, your memory of the outcome locks you into one branch, like a key keeping a door shut. A new protocol, reality steering, shows you can pick that lock: erase the memory, and the barrier fades, letting you slide into another reality.
But the switch is perfectly invisible. Your new memories will seamlessly match the new branch, so you’d recall events differently and believe they always happened that way. You can never prove you jumped. Still, this turns idle speculation into a serious physics challenge.
🎯 Erasing a single bit of information at room temperature releases at least about 0.0175 electronvolts of heat—a tiny but real link between forgetting and the physical world.
🎬 Like the TV series 'Sliders,' where travelers hop between parallel Earths—but here, you’d never remember your original home.