EntityQ7134990· pop 5· linked from 21 articlesParallel WorldsSign in to save2004 popular science book by Michio KakuConnectionsmany-worlds interpretationEntityUnited KingdomCountryphysicsEntityastronomyEntityStephen HawkingPersonquantum mechanicsEntityInternational Standard Book NumberEntityBBCConcepttheory of relativityEntityclassical mechanicsEntitycosmologyEntityastrophysicsEntityThe GuardianEntityastronomerEntityphysicistEntitystring theoryEntityMichio KakuEntityKip S. ThorneEntityThe IndependentEntityBrian GreeneEntityCategories2005 non-fiction booksBooks by Michio KakuCosmology booksDoubleday (publisher) booksPopular physics books