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Parallel Universe that goes back in Time!
Parallel universe that goes back in Time!
Would it matter if there were multiple universes? Recent experiments involving subatomic particles called “neutrinos” have shone a light on mind-bending debates between physicists.
Take the “many-worlds” interpretation of quantum mechanics. This theory interprets a famously insoluble problem called the “wave-function collapse”.
Scientists had been trying to study neutrinos in the atmosphere above Antarctica. The problem was that the particles appeared to be going the wrong way, from the ice into space.
Because this violated the current picture of how the universe works, what physicists call the “standard model”, scientists have scrambled to propose explanations.
One of the 40 offered so far is that the particles emanated from a parallel universe that mirrors our own while moving backwards in time. This explanation, understandably, made headlines this year.
Everything would change, say some. If every moment that a subatomic particle is measured creates a new universe, then our whole sense of self must disappear. Objectively speaking, there would be no way to talk meaningfully about the consequences of our actions. Our existence would be more like a wave spreading out across the multiverse than a person living a single life.
Nothing would change, say others. What matters is the scale at which you experience things, not the scientific language in which we describe it. Many philosophers have long argued that continuity of experience is an illusion, and yet people have not acted as if that were true. It will always be hard to live with the scientific picture of the universe because that is not how we see the world.
