Astrophysicists use similar language when they talk about creation. All the matter in the universe must have been present in that “primeval atom,” supercondensed to an unbelievable degree. In such a state, matter would no longer be possible as matter. It would be stripped down to pure energy, and energy itself would be raw and undifferentiated; variations like gravity and light would not have emerged. Time would not yet be real, for there can be no time before zero; neither would space make sense in the context of a question like, “What was there before the Big Bang?” Physicists reply, with
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