презентация англ мир!

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Done by : Anna Semenova,102 British inventions of XIX-XX centuries

Transcript of презентация англ мир!

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Done by :Anna Semenova,102

British inventions of XIX-XX centuries

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General Knowledge

XIX and XX centuries are famous for different scientific breakthroughs all over the world.

There are a lot of different inventions of that period that you may haven’t realised the British have invented.

However, British people aren’t good sellers.

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10 most important1. The television2. Stereo3. The World Wide Web4. The train5. The cat's eye6. Photography7. The light bulb8. The electric motor9. Bagless vacuum cleaner10.Radar

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The Electric Motor

You can find electric motors in everything from vacuum cleaners (another British invention) to eco-friendly cars these days, but they owe it all to Michael Faraday, who first came up with the idea in 1821.

It was Faraday who first proved the principle of electromagnetism

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Photography

Thomas Wedgewood created pictures of insect wings using silver nitrate on leather in 1802.

William Henry Fox Talbot - the man who invented the Calotype, a negative/positive development process that became the basis for modern photography.

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The light bulb

The invention of the light bulb is normally credited to US inventor Thomas Alva Edison, who patented his discovery in 1879.

The problem is he was beaten by a year by British whizz Joseph Swann, who even came up with the idea of a carbon filament bulb some 10 years previously.

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The Television

The television is actually a British invention, made by Scotsman John Logie Baird in February 1924.

In 1932 he made the first TV broadcast between London and Glasgow.

Experiments with color TV-sets

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The train

The first steam trains appeared in the early 19th Century, but it wasn't until George Stephenson's Rocket arrived in 1829.

His train was the only steam train to complete a 50-mile round trip as part of the Rainhill trials.

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Stereo

Alan Blumenlein invented stereo, because he thought the monophonic music of his day lacked realism, patenting the idea in 1933.

Work on HDTV broadcasting (1953).

Development of radar during WWII

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Radar

Radar was developed by Scotsman Robert Watson-Watt, who proposed that enemy aircraft could be detected by radio waves.

By 1940, 19 Radio Direction Finder (RDF) stations were in place across the UK.

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The World Wide Web

In 1989, Berners-Lee proposed a global hypertext project, to be known as the World Wide Web.

It was designed to allow people to work together by combining their knowledge in a web of hypertext documents.

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Bagless vacuum cleaner

James Dyson is the definitive British technical innovator. His dual-cycle bagless vacuum cleaner took over 5,000 prototypes to perfect, but became the fastest-selling vacuum cleaner in British history.

After five years and 5,127 prototypes, Dyson launched the “G-Force” cleaner in 1983.

After five years and 5,127 prototypes, Dyson launched the “G-Force” cleaner in 1983.

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The Cat’s eye

This device was invented by the Englishman Percy Shaw, born in Yorkshire in 1890.

He invented it after he had been driving on a dark, winding road on a foggy night. He was saved from going off the side of the hill by a cat, whose eyes reflected his car’s lights.

. For his invention, Shaw was awarded the OBE in 1965.

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Small quiz Which of these things were invented by British people? Elastic fabric(эластичная ткань) The wheel Matches(спички) Sunglasses Knife Rubber band Paper Greeting cards

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The answersElastic fabric, Matches, Sunglasses ,Rubber band, Greeting cards were invented by British people.

Other interesting inventions are: Electric toaster Flush toilet Stereophonic recording Carbonated soft drinks

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Conclusion

There were a lot of inventions in XIX-XX centuries and they are very important even nowadays.

The UK is still making new inventions .

The inventions were spread in different spheres of science.

We should develop science in XXI century to make our life easier and faster