Schrödinger's cat regard the "alive and dead" cat superposition as quite real. Intended as a critique of the Copenhagen interpretation (the prevailing orthodoxy in 1935), the Schrödinger's cat thought experiment remains a defining touchstone for modern interpretations of quantum mechanics. Physicists often use the way each interpretation deals with Schrödinger's cat as a way of illustrating and comparing the particular features, strengths, and weaknesses of each interpretation. Schrödinger wrote: Schrödinger's famous thought experiment poses the question, ""when" does a quantum system stop existing as a superposition of states and become one or the other?" (More technically, when does the actual quantum state
Dead or Alive Ultimate of the same color, a copy of "Dead or Alive Ultimate", and some bonus Kasumi-themed extras. In the United States, two trading cards with character pictures on them were randomly included in each game as part of a collector's edition. The game disc of the North American release also contains the Booster Pack for "Dead or Alive 3", which adds numerous character costumes and a new opening cinematic for the game. This disc also included a G4-produced segment from their "Icons" series detailing the history of the "Dead or Alive" series, along with interviews featuring various people from the video