Has Science Found God?: The Latest Results in the Search for Purpose in the Universe by Victor J. Stenger

Author:Victor J. Stenger [Stenger, Victor J.]
Language: eng
Format: epub
Published: 2009-07-21T08:18:00+00:00

Just as kalam can be challenged on several fronts, so can the fine-tuning argument. The multiple-universe scenario provides a simple mechanism by which universes of all types of structures can arise. Certain principles of physics, such as energy conservation and the laws of relativity, can be expected to apply to the "multiverse," since these can be shown to arise from the symmetries of the void (see chapter 8). This is what enables us to still talk about the multiverse in physics terms.

However, each baby universe will have, in addition to the global symmetries of the multiverse, certain spontaneous broken symmetries that will lead to its unique structure. These broken symmetries are accidental, so the structure of each universe can be expected to differ from the others. This means that the kinds of particles present, the forces between them, and various physical constants can be expected to be different from baby universe to baby universe. Some of the baby universes will likely contain little of interest, and some may not contain structures like stars that live very long and manufacture complex elements that can serve as platforms for life. But many others can be expected to contain complex systems capable of evolving into something resembling life (or, indeed, perhaps something resembling nothing with which we are familiar and even far exceeding human life and mind in wondrous capabilities). Thus, our universe only appears to be finetuned for us because it is that baby universe which happens to contain the properties needed for our kind of life to evolve.

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