Berezina N. P.
Berezina N. P.
Quiz. Discuss the questions and try to choose the correct answers.
4. Who invented the telephone?
a) Telephone
b) Popov
c) Alexander Graham Bell
5. Who invented the telegraph?
a) Alexander Graham Bell
b) Samuel Morse
c) Mary Telegraph
6. Who invented the e-mail?
a) the Americans
b) the Russians
c) the Germans
Berezina N. P.
Ink
People invented ink before 2500 ВС. Some books say that it was the Chinese, but probably the Egyptians invented it at the same time. However, the whole world knows the name of the Chinese philosopher, Tien-Lcheu, (2697 ВС), who used ink to write with. At that time ink was a mixture of soot from pine smoke and lamp oil mixed with gelatine from donkey skin, and musk. Other cultures had ink too. They used natural pigments from trees, flowers and minerals.
Berezina N. P.
Alphabet
People used to think that the first alphabet appeared between 1700 and 1500 ВС in the Levant region, in what is now Syria, Lebanon and Israel. However, modern archaeologists found facts to show that the alphabet is older and first appeared in 1900 ВС. It came from Egypt, and other cultures copied it.
Berezina N. P.
Paper
Paper came from China, in the second century ВС. The oldest piece of paper in the world is made from hemp. The archaeologists found it in a tomb near Xian, in China. They think the Chinese made it between 140 and 87 ВС.
Berezina N. P.
Telegraph
The word "telegraph" comes from Greek and means "to write far". In other words, it is a communication system which transmits signals.
In 1835 a professor of arts and design at New York University, Samuel Morse, developed telegraph wires. He also invented Morse code, an electronic alphabet. With the help of that alphabet it was possible to code the letters and signs of a language. Morse gave a public demonstration of his invention in 1838, but it took five more years to get the money for the first experimental telegraph line from Washington to Baltimore.
Berezina N. P.
Berezina N. P.
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