Televisions show sounds and pictures.They get data from cables, discs, or over-the-air signals.The TVs were only five inches big but the people loved it.
They wanted TVs.Factories were busy making guns and bombs.They turn this data into sounds and images.You probably call them TVs.John Baird made the first TV in 1925.It didn't work well, but it was a start.Few people had TVs.The broadcasts were not meant to be watched.They showed a Felix the Cat doll for two hours a day.The doll spun around on a record player.They were experimenting.By the end of the 1930s, TVs were working well.There were 200 small, black and white TVs set up around the fair.The U.S.
President gave a speech over the TVs.But World War II was going on during this time.By 1948 there were 4 big TV networks in America.They aired their shows from 8 to 11 each night.Local shows were aired at other times.People watch news and shows on them.It had one color.It could only show 30 lines.This was just enough room for a face.The first TV station was set up in 1928.It was in New York.It took many years to get it right.America got its first taste at the 1939 World's Fair.This was one of the biggest events ever.When the war was over, TV spread across the country.Most of the time, nothing was shown at all.