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Key dates in science

1877The first sound recording was made in the U.S.A. by Thomas Edison on his prototype pho-nograph machine.

1877A German-American scientist, Emile Berliner, invented the microphone.

1878Thomas Edison invented the first successful light bulb.

1881The first power station was built in Surrey, England.

1884The first artificial fibres, made from cellulose, were exhibited in London, England.

1885The petrol-driven car was invented by the German Karl Benz.

 

LESSON 12

 

Grammar.ij . (Participle II)

Text 12A. Time Travel and New Universes.

Text 12B. The Role of Gravity.

Topic. Volyn Region.

 


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  1. History of language as a science.
  2. Key dates in science
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