What Happens When Alice and Anti-Alice Meet? (A Celebration of Lewis Carroll's 180th Birthday)Maria Konnikova1/27/12 6:13pm251EditPromoteDismissUndismissHideGo to permalink What happens should you find yourself on the other side of a mirror, so that the girl staring at you from its surface becomes, well, you? Do you replace her? Does she replace you? Or do you come together into another, third girl altogether?