Now and then, I had moments of greatness, but I never knew how to duplicate it consistently.
Ian WilliamsThe problems of this world are only truly solved in two ways: by extinction or by duplication
Susan Sontag[Robby the Robot has been asked to duplicate whiskey] Robby: Would 60 gallons be sufficient?
Forbidden PlanetScience consists exactly of those forms of knowledge that can be verified and duplicated by anybody.
Seth Lloyd