Guy who really, really wants to believe in the multiverse:
At the moment, there are too many ifs and maybes in this story.
Observations do not uniquely favour inflation though the BICEP2 results are an impressive step in this direction. It is a matter of some debate whether inflation naturally generates a multiverse.
Further, many multiverse theories struggle to predict anything, so clearly there is much much more to be done.
But positing the multiverse is not, as claimed by some, the end of science. It may be the start of the biggest scientific adventure of all.
Of course the multiverse would not be the end of science if all you mean is what people can be forced to pay for and call “science.” It is merely the end of reason, evidence, and fact.
For more, go to The Science Fictions series at your fingertips (cosmology).
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