About the book: 1976 / “Our philosophy of the world is the philosophy of historical optimism.” These words of Leonid Ilyich Brezhnev not only serve as the epigraph of the book, they define its content - the author’s excited story about scientific and technological progress, about its close connection with socio-economic progress, about the broad prospects the scientific and technological revolution opens up for our country, building communism, and the peoples building socialism.