In 1949 – TV station KC2XAK of Bridgeport, Connecticut became the first Ultra high frequency (UHF) television station to operate a daily schedule.
In 1952 – The first hearing aid using a junction transistor went on sale, the model 1010 manufactured by the Sonotone Corporation in Elmsford, NY, U.S.
In 1959 – Physicist Richard Feynman gave a talk called “There’s Plenty of Room at the Bottom”, in which he suggested it should be possible to make nanoscale machines that can arrange atoms the way we want. So happy birthday nanotechnology.
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