"An alternate reality is a different timeline that has been caused by an alteration in history. It can either overwrite the timeline, or it can diverge directly from the timeline because of the quantum mechanics."@en . . "An alternate reality is a different timeline that has been caused by an alteration in history. It can either overwrite the timeline, or it can diverge directly from the timeline because of the quantum mechanics."@en . . . . . "Versophysics"@en . .