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The Biggest Myth In Quantum Physics

14 Feb 2018, 15:01 UTC
The Biggest Myth In Quantum Physics
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The Many Worlds Interpretation of quantum mechanics holds that there are an infinite number of parallel Universes that exist, holding all possible outcomes of a quantum mechanical system, and that making an observation simply chooses one path. This interpretation is philosophically interesting, but may add nothing-of-value when it comes to actual physics. Image credit: Christian Schirm.Quantum interpretations are all the rage. Too bad you don’t even need one.In everyday life, there are certain rules we take for granted: cause-and-effect, for instance. Something occurs, and that causes other things to occur dependent on what happened at the start. Different causes lead to different effects. But in the case of quantum physics, the standard rules are fundamentally different. You can’t define even your starting point to arbitrary precision, as there’s an uncertainty inherent to certain properties of your system. There isn’t a predictable, deterministic way to describe how your system evolves over time, only a set of probabilities that you can calculate. And, if you make a definitive enough measurement, observation, or interaction, you will see a single outcome: the effect you were looking for. But the very act of making that measurement, observation, or interaction fundamentally changes the state of your ...

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