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Boltzmann brains: cosmology's strangest paradox resurfaces

Original: 🧪 Boltzmann brains are one of cosmology’s strangest paradoxes. Some models allow random thermal or quantum fluctuations

The Boltzmann brain paradox is back in scientific discussion. In some cosmological models, random thermal or quantum fluctuations could spontaneously produce conscious observers with false memories of a universe that never existed. If such fluctuated brains vastly outnumber ordinary observers, the model fails a basic test of typicality, undermining its credibility. Physicists treat the paradox as a warning sign that certain models of eternal inflation or a far-future universe may be internally inconsistent.

Why now: The paradox challenges whether certain cosmological models are logically consistent, a debate that keeps resurfacing in physics discussions.

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• 🧪 Boltzmann brains are one of cosmology’s strangest paradoxes. Some models allow random thermal or quantum fluctuations to produce observers with false memories. If they vastly outnumber ordinary observers, the model may fail a basic test of typicality. https://www.… · nexthorizon · 20

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