In the 1940s, television started, stopped, started again and then took off. In the process, the new medium turned on the lives of rural residents connecting them to the rest of the world even more than newspapers or radio.
The first practical TV sets were demonstrated and sold to the public at the 1939 World's Fair in New York. The sets were very expensive and New York City had the only broadcast station.
When World War II started, all commercial production of television equipment was banned. Production of the cathode ray tubes that produced the pictures was redirected to radar and other high tech war uses.
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