Richard Feynman (1918-1988) argues in his famous Lectures on Physics (1961/62) that finite accuracy of measurement also makes the future very unpredictable, because even very small errors in prediction have cascading effects that lead to vastly different outcomes. Thus, the difference between a classical interpretation (deterministic) and a quantum-mechanical explanation (indeterminisitc) is not as categorical […]

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In 1935 Schrodinger published an essay describing the conceptual problems in Quantum mechanics. A brief paragraph in this essay described the cat paradox: “One can even set up quite ridiculous cases. A cat is penned up in a steel chamber, along with the following diabolical device (which must be secured against direct interference by the […]

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Quantum nonlocality is a paradox that was described first by Einstein, Podolsky, and Rosen (EPR), who published the idea in 1935. The EPR paradox draws attention to a phenomenon predicted by quantum mechanics known as quantum entanglement, in which measurements on spatially separated quantum systems can instantaneously influence one another. As a result, quantum mechanics […]

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  How the Universe can come from Nothing: The following quotes address vacuum fluctuations, and the idea that things – perhaps even the entire universe – can indeed arise from nothing via natural processes. Vacuum Fluctuations and Virtual Particles In the everyday world, energy is always unalterably fixed; the law of energy conservation is a […]

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Quantum mechanics is a branch of physics; it was developed between 1900 and 1930, and  it explains the behavior of sub-atomic particles, atoms, molecules and nuclei. Attempts to combine it with the general and special theory of relativity leads to new and revolutionary types of theories. Experimental evidence forced the creation of new concepts, like […]

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