EntityQ44666· pop 28· linked from 39 articlesLaplace's demonSign in to savehypothetical being who knows the location and momentum of every atom and therefore knows the past and future of the universe using classical mechanicsConnectionsPierre-Simon LaplaceEntitydeterminismEntityStephen HawkingPersonInternational Standard Book NumberEntityDenis DiderotEntityclassical mechanicsEntitydigital object identifierEntitymomentumEntityentropyEntityphysicistEntityhistory of scienceEntityBaron d'HolbachEntityUniversity of GenevaEntitychaos theoryEntityQ180686Entitysecond law of thermodynamicsEntityJean-Antoine-Nicolas de Caritat de CondorcetEntitybutterfly effectEntitybibcodeEntityQ118398EntityCategoriesDeterminismFictional demonsPierre-Simon LaplaceThought experiments