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But if, in two or three years' time, when the LHC switches off again for a second long shutdown, we've found nothing but the Higgs boson, then we may be entering a new era in physics: an era where there are weird features of the universe that we cannot explain; an era where we have hints that we live in a multiverse that lies frustratingly forever beyond our reach; an era where we will never be able to answer the question, "Why is there something rather than nothing?"
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