WAUKESHA, Wis. — While physics points strongly toward an infinite universe, human knowledge remains limited to a much smaller realm known as the observable cosmos, constrained by light’s travel time ...
Does the idea of parallel universes really describe reality? (Image: NASA/JPL-Caltech/S. Stolovy (Spitzer Science Center/Caltech) In Our Mathematical Universe Max Tegmark tries hard to make the ...
Your articles on “How to think about…” were all fascinating. But the piece on the multiverse claimed that it is not a hypothesis but is “forced upon us” (30 June, p 29). There is no evidence for a ...
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