DEL MAR, Calif. — Dick Tracy got an atom-powered two-way wrist radio in 1946. Marty Cooper never forgot it. The Chicago boy became a star engineer who ran Motorola’s research and development arm when ...
Live Science on MSN
Science history: First two-way phone call across outdoor lines made by Alexander Graham Bell — Oct. 9, 1876
On Oct. 9, 1876, Alexander Graham Bell made a telephone call to his assistant a few miles away — the first demonstration of ...
Collection is open for research but is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at [email protected] or 202-633-3270. Portions ...
Collection is open for research but is stored off-site and special arrangements must be made to work with it. Contact the Archives Center for information at [email protected] or 202-633-3270. Portions ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback