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 ...
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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 what would ultimately become a global telephone network.
The patent-pnding invention provides a new way to operate a cell phone device in an old school manner. In doing so, it only ...
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