内容简介
Spaceandtimearethemostfundamentalfeaturesofourexperienceoftheworld,andyettheyarealsothemostperplexing.Doestimereallyflow,oristhatsimplyanillusion?Didtimehaveabeginning?Whatdoesitmeantosaythattimehasadirection?Doesspacehaveboundaries,orisitinfinite?Ischangereallypossible?Couldspaceandtimeexistintheabsenceofany...