Chronicles the history of science from ancient times to the 1990s, showing how great scientists' research has built upon those that came before them, enriching the bank of human knowledge.
Traces the history of tunnel-building in America, from the earliest days of the Schuylkill Navigation Tunnel to the complex technology of today's immersed-tube tunnels.
Reviews the history of road building in the U.S. from the first paved streets of colonial times, to the early western wagon trails, and to today's Interstate Highway System.
Explores the progress of science throughout history, focusing on the accomplishments of the early Greeks, as well as the scientists and discoveries of the Middle Ages, the Renaissance, and the Scientific Revolution.