Companion to a PBS documentary about the undersea cable placed between the U.S. and Britain in the 1860s to allow telegraph contact. Features a timeline, cable jokes, and details about people and events.

Dedicated by professional and non-professional enthusiastists to the early history of sound recording. Includes an MP3 of a recording from 1860, which at the time of posting was the earliest known.

Companion site to PBS program presents an overview of developments in science and technology during the 20th century. Includes annotated timelines on topics such as medicine, physics, human behavior, and earth and life sciences.

Facts and quotes about the importance of the transistor in modern life. Transcripts of lectures, oral histories, biographies of notable individuals involved in the development of transistor applications.

Exploration of key events in the history of science with a particular emphasis on chemistry.

Discusses Galileo’s struggles to convince church authorities of the validity of his scientific discoveries. Features chronology of his life; articles on his experiments; section explaining his theories on falling objects, incline planes.

Information on some of Canada's most significant civil engineering landmarks, including bridges, railways, dams, and the Alaska Highway. Biographies of important civil engineers who contributed to national sites.

Center for the History of Information Technology. History of information technology and information processing and their impact on society.

Gives historical perspective of the harnessing of electricity and the implications it has had on society.

Offers a historical view of science, technology, medicine, and the roll each played in societies development. Includes teaching and research information, membership, and contact information.

Information about the advancement of technology, currently focusing on specific innovations of the 20th century. The site lets users travel by decade through illustrated rooms typical of the period.