EntityQ1195697· pop 27· linked from 143 articlestime machineSign in to savehypothetical device capable of time travelConnectionstemporal paradoxEntityKip S. ThorneEntityGödel metricEntitytime travel in fictionEntityTipler cylinderEntityAlbert EinsteinPersonH. G. WellsEntityInternational Standard Book NumberEntityfree willEntityscience fictionEntitygeneral relativityEntityKurt GödelEntitydigital object identifierEntityspacetimeEntitytheoretical physicsEntitydeterminismEntitytime travelEntitymultiverseEntitywormholeEntitybutterfly effectEntityCategoriesTime travelTime travel devices