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Uncertainty in quantum physics from "summary" of The Man Who Wasn’t There by Anil Ananthaswamy

Quantum physics is a realm of science where the classical rules of the macroscopic world do not apply. At this infinitesimal scale, particles behave in ways that seem counterintuitive and bizarre. One of the fundamental principles that govern this realm is uncertainty. This concept, first articulated by Werner Heisenberg in 1927, states that certain pairs of properties of a particle, such as position and momentum, cannot be precisely known simultaneously. The more precisely we know one property, the less precisely we can know the other. This inherent uncertainty is a fundamental feature of quantum mechanics and has profound implications for our understanding of the universe. In the quantum world, particles do not have definite positions or momenta until they are measured. Instead, they exist in a state of superposition, where they are in all possible positions and momenta simultaneously. It is only when a measurement is made that the particle "chooses" a particular position or momentum. This strange behavior is known as wave-particle duality, where particles exhibit both wave-like and particle...
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    The Man Who Wasn’t There

    Anil Ananthaswamy

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