Category Archives: Mobile
1982 advertisement for the TRS-80 Pocket Computer with Isaac Asimov.
Today in 1955, the first field trial of a rural telephone system making use of transistors and the Bell Solar Battery was held in Americus, Georgia. Today, 1.5 billion people, one quarter of the world’s population, live without electricity, and … Continue reading
Forty years ago today (April 3, 1973), Martin Cooper made a phone call from a prototype Dyna-Tac handheld cellular phone. The phone, which weighed about 2.5 lb, connected Cooper to Dr. Joel S. Engel, head of research at Bell Labs. Update: From “8 Guys, 6 … Continue reading
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