most probable state for that time, is a matter of chance. In other words, the “probability” of quantum mechanics is the probability of observing an observed system in a given state at a given time if it was prepared in a given initial state.* Thus it was that the wave aspect of quantum mechanics developed. Just as waves have particle-like characteristics (Planck, Einstein), particles also have wave-like characteristics (de Broglie). In fact, particles can be understood in terms of standing waves (Schrödinger). Given initial conditions, a precise evolution of standing-wave patterns can be
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