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Напишите сочинение про ученого, который что-нибудь открыл , предложений 10-12 можно на

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лолл18
лолл18
4,7(44 оценок)
Widely known for his contribution to the   creation ocurrent, multiphase systems and the motor will make a so-called second phase of the industrial revolution. also, it is known as a supporter of the existence of the ether: there are many of his experiences and experiments that had to show the existence of the ether as a special form of matter, amenable to the use of the technique.(этот абзац можешь удалить он второстепенный)f devicer that operate on alternatin 
Huysosimoy
Huysosimoy
4,4(76 оценок)

винайдення телевізора

television, as you know is a complex technical process. its origins go back to the past. we can confidently say that a huge number of people involved in its development and improvement.thus, the tv wasn't invented by one person.the chain of events that led to the invention of television, started in 1817, when the swedish chemist jens berzelius opened chemical element selenium. it was later found that the amount of electric current, is selenium, depends on the amount of light that affect it. this property is called «фотоелектрикою».in 1875, this discovery helped american inventor, kerry make the first imperfect television system, for which he has used photovoltaic cells. the subject is focused through a lens unit pv cells in such a way that each element seems to «monitor» the amount of electricity flowing in incandescent lamp. dim outline of the object, which спроецьований for photovoltaic applications, then appeared on the surface of the filament lamp.the next step was the invention in 1884 floors ніпкоу «deployed image». this was achieved by means of a disk with openings that rotates in front of the photoelectric elements and different disc that rotates in front of the audience. but the principle was the same as that of kerry.in 1923 performed the first practical transfer of images by wire, and made it a bird in england and jenkins in the united states.then there was a huge leap in the development of television cameras. vladimir zworykin and phil farnsworth independently designed the camera, known as «інконоскоп» and «зображально-transmitting tube». until 1945 both transmitting tubes were replaced with newer.in modern tv is a so-called «a cathode ray tube». in this tube is the electron gun that scans an image of the screen just as the rays do it in ій a television camera, and as a result we see the image.of course, this does not explain to you, in detail, exactly how acts tv, but gives you an idea of how many different discoveries were to be realized by different people in different countries, to make possible the current tv.

Mаjоr
Mаjоr
4,4(33 оценок)

A   What are you doing this weekend?

  B   Nothing special

 A   How are you?

 B  Fine, thanks.

  A   Can I talk to you for a minute?

  B    Sure. What about?

6. . Choose the correct phrases.

A Please just tell him I rang.

B (4) Will do.

A What a beautiful day!

B  Yes, lovely, isn’t it?

A Would you mind helping me with this box?

B  Not at all.

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