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paper was made by chines. Ts'ai Lun had tore off a peice of bark from a mulberry tree and and got it to its fibers were he then beat them into a small sheet that was a form of paper.
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Johaness Gutenberg who was a german invented the printing press that was able to speed up the procces of making pages of text. it was able produce books in a fast and organized pase
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in the 1500 B.C.. the egyptians used people and hourses to send a letter to their destination. romans also used hourses and they were very good make shift postal system
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the first daily newspapers were "Pennyslvania packet and Daily Advertiser. there were other private companies that were giving them out weekly.
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The Morse's telegraph did not use a key, or sounder.
when it sent or received a mesage it used a code of dots that is like the morse code, but it look like hills and valleys -
the fax machine was first created by a scottich clockmaker who was name Alexandern Bain. it was run by a chemicaly treated paper that would turn blue when electricity ran through it.
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The typewritters were invented in 1863.
The typewritters helped the buisnesses to make there letters and and it also helped the newspapers to print out the news so thay wouldent have to be hand written.
buisnesses had began to use typewritters for most of their works because it was faster to send out letter or slogans. -
Alexander GrahamBell was credited to making the first telephone. he found out how to transmit vocal or other sounds telegraphicaly. his microhone or transmitter had a double electromagnetic.
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the phoneograph was a early record player. it was able to translate the sound that people made and turned it into indentions that was made out of tinfoil. the tinfoil would wear out after it was used a couple time.
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in the South Florida coastline settlers wanted the US postal service to extend their route. A couple people called barefoot mailmen took their mail and hiked over eighty miles to get them their mail. it was sixty miles on foot and forty miles in boat. they left monday morning and got their wensday night, then headed back home and arrived saturday. they rested sunday and started their journey back on monday. they were paid $175 dollors every three months.
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the pigeons was a important part in world war one. it was actually a very reliable way to send a message, there was roughly about 100,000 pigeons that were used in the war and they were able to get to their destination about 95% of the time.
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the radio was started in the 1920s but no one really lisened because people dident have any radios for people to hear. there was soon a demand for radios and they were sold out. then by 1930 sixty percent of americans had a radio.
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the first mobile phone was in a car under the dashboard and he pulled it out to make a phone call . by 1948 in about one hundred cities and highway coridors. it was expensive to have one, it was about fifteen dollors and about thirty to forty cents for every phone call. all the equimpent together was eighty pounds.
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before the network was invented people were able to send a message to ther people but on the same computer. when comupters started to use networks people wanted to be able to send messags to other people from different computers. Ray Tomlinson chose the @ symble to it will be able to denote sending messages to one computer to another.
