At the turn of the twentieth century, the United States and Germany were seen as rivals in a "race for modernity," each pursuing distinct visions of the future. America's image as a technological pioneer reshaped European self-perception, while Germany asserted its own path through science, engineering, and a far-reaching reform of design, architecture, and applied arts. This book explores the cultural encounters and confrontations between 1890 and the 1930s, moving beyond familiar narratives of Fordism and Taylorism to reveal technology as a dynamic cultural force. By tracing the adoption of German science in the United States, the American endeavors of conceptualizing technology in the search for a genuine American culture, and the German fascination and critique of "Americanism" in the Weimar Republic, it offers new perspectives on transatlantic modernity.