You are probably familiar with the concept that the universe is “fine-tuned” for life, that if the sun were a little closer or a little farther away, and other “Goldilocks” conditions, life on earth would be impossible. But the universe is also fine-tuned for the existence of physical objects. If the force of gravity or the entropy rate were infinitesimally different, the universe would be all energy and undifferentiated matter.
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