History Of Cars, Telegraphs And Television
...your cell phone and call her. That was an easy task. How about if you lived during the 1860’s when the American Civil War took place? Now, how would you contact her? Not that easy anymore. For the last generations, we take everything for granted. We are surrounded by technology and we don’t even give a thought how everything was created. Some things that have changed our world of technology during the last century are: telegraphs, cars, and television. We consider all this things a form of entertainment or even a necessity; when before they didn’t exist and people lived perfectly fine without them.
The non-electric telegraph was invented in 1794 by Claude Chappe, this was visual and a flag-based alphabet; this depended on a line of sight for communication. In 1835 Samuel Morse proved that signals could be transmitted by wire. He used pulses of current to reflect an electromagnet, which moved a marker to produce written codes on a strip of paper; this was the invention of the “Morse code”. By 1844 this code was known as the “International Morse”. The first telegraph was sent on May 24, 1844. Samuel sends a message “What hath God wrought” from Supreme Court Chamber in the Capitol in Washington, D.C., to the B & O Railroad Depot in Baltimore, Maryland (About.com,1997). By the following years telegraphs were used nation wide. They were used from to contacting a love one in the other side of the world to making business with someone on your neighboring city. The signals could go trough land and sea; at the time it was the latest technology there could be and everyone was fascinated by it. This machine was used during World War I and it helped both sides for quicker information. Telegraph played a huge role during the 1800‘s and 1900’s, but as time passed by and technology improved this machine was substituted by the telephone. The telephone was invented on March 10,...
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