The telegraph was an amazing invention that made quick long distance communication a reality. Samuel Morse invented it in 1837, and the first message cross the telegraph line was sent in 1844 from Washington to Baltimore. He got the idea when he was talking to some friends about how fast electricity could travel along a wire. He created the telegraph so that when you tap down a button it completes an electrical circuit. He invented a code called Morse code where the alphabet is represented by long and short signals. When you tapped in a message, the operator at a station would decode a paper, read a dial, or listen to a buzzer. This way, people could send messages very quickly.
The telegraph sent messages faster than any other system before it. So naturally, people started using it. The telegraph replaced the Pony Express and other horse-cart systems. Morse code was very easy to use with increased the telegraph’s popularity. Each letter of the alphabet was assigned a series of dots and dashes. A long signal would mean a dash and a short signal would mean a dot. The telegraph was used to communicate in war as well as to communicate between train stations to get updated on the train schedule. Later on, the telephone was invented eventually people stopped using the telegraph. Although nobody uses the telegraph anymore, the concept
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In 1927, Philo Farnsworth gave a public demonstration of the television. He was able to capture pictures and put them onto radio waves to have them turned back into a picture on another screen. This early version of the television was pretty useless because the quality was really bad. In the 50’s, most televisions were black and white but color televisions along remote controls had been invented. By 1967, most televisions had color. The television became a widely used invention when video games, VCR, and other cool inventions came