to dealing with five or higher dimensions. Yet we should point out that the fourth dimension was controversial for a number of years after Minkowski first identified it as time. Even Einstein needed to be convinced. Eventually, he and others came to accept the four-dimensional nature of space-time.
Just as the fourth dimension provided a natural way of describing time, introducing the fifth dimension can do the same for mass. It provides a natural way of resolving one of the fundamental mysteries: How did all the mass in the universe arise?
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6 Escape Clause: Circumventing the Big Bang Singularity ."
Brave New Universe: Illuminating the Darkest Secrets of the Cosmos . Washington, DC: The National Academies Press,
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