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IMPORTANT INVENTIONS: THE ELECTRIC CURRENT

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IMPORTANT INVENTIONS: THE ELECTRIC CURRENT

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There are so many good inventions, but the two which are the best for me are the two types of electric current. On of them is the  alternating current, which was discovered by Nikola Tesla and the otrher is the direct current, which was discovered by Thomas Edinson.

Before this was discovered, however thre was a prblem, life was more simple. The problem was that you didn´t have more artificial light than the light of a candle.

Fortunately this was discovere and now we have more types of artificial light, like bulbs.

Other elements which were created due to this types of current are batteries, which are in all electronic devices than can be move(telephone).

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The world has changed due to the big amount of inventions that have helped the humanity. There're some people that have helped in entertainment, in science, etc. But, in my opinion, nothing has made a difference such the writing. It would be imposible to know about a lot of things (mainly about historical events)

This remarkable invention was created a lot of years ago, 3500 BC, Egyptian civilization started with jigsaw puzles. It was a very useful way to communicate o they continued performing it so that everyone could know about everything they should to live there. Before all this, there wasn't any way to leave information to the future apart from drawing animals or people hunting like prehistoric civilizations did. It was useful, but not as they should want.

Then, with the pass of the years and centuries, it has been performed till our days. Nowdays the most part of people can write and read. Thanks to writing we can also know about other world languages (due to dictionaries), which is very helpful today. Also, if writing hadn't been invented, we couldn't know about history and the old lives of our "relatives".

In fact, any other invention has had some help of writing. So this is the fact that has reminded me of this remarkable creation of the humanity,

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it´s true that we have had a lot of great inventions like fire or internet, but for me one of the biggest inventions is the clock.

Thousand years ago , in Egypt the first clock was invented and it was sunny. It couldn´t measure the time when it was night and there wasn´t sun. The water clock , indicated the hour during the night when emptying the water that contained ; the oldest was found in an egyptian temple , and it has 3.356 years. It was so diffitcult to measure the time then. And it wasn´t so comfortable like now. The people pnly knew when the day started and when the day ended because of the sun.

Now a days, we can look whenever we want the exactly hour that it is, included the microseconds.
It´s amazing for me. I mean I cant imagine my life without my clock. Because I need to look at it every minute

I think we don´t admire the clock as much as we have to. Also there´s people that hate the time and the clock. Because they think the clock reminds you always that you have an exactly time to do things.

It´s true that sometimes you want to brake the clock to stop the time but i still thinking that is a very important invention and that we must apreciate it more. Because it is so amazing.

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internet? fire? television? wheel? penicillin?

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Write an opinion essay about an important invention (120 - 150 words)

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Write an opinion essay about an important invention (120 - 150 words)

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Paragraph 1: What is the name of the invention?
Paragraph 2: What did people do before it was invented?
Paragraph 3: How did the invention change people’s lives?

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The

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Nowadays, I think an important invention can be Internet because we use it every day, every hour. However, I have never thought about what life was like before it was invented until today.

Before, Internet was invented, people used to study in the library, search information in a diccionary and they were less stressed. Moreover, they didn't need it as they managed to do their homework and their projects without Internet.

Internet  has made several changes so far. Firstly, people are so hooked on social media and they need to look every minute what people have published. Futhermore, we can get information faster than if we need to borrow a book in the library of our city.
These days, almost everybody has Internet connection in their house as it is cheap and it is very necessary if they work as engineers or lawyers. Yet, Internet is important at every job. There are computers in every place, also now everyone has a mini-computer- we call then 'mobile phones', but mobiles phones are little computer with devices, indeed.

On the other hand, Internet has several drawbacks. Most people are starting to forget how to write- they write too many abbrevations-. Actually, I don't like writting with abbrevations since I don't know how to write them.

Finally, Internet is, in my opinion, the most important invention, apart from electricity and running water, which are so important for us too. As we have seen, Internet has few drawbacks, but I think that advantages outweigh the disadvantages. If I were you, I would use it, but be careful with what you do!

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I´m going to talk about one of the most grounbreaking inventions of the century. The TV was invented in 1925 by the Scottish scientist John Baird. The first TV consisted of moving images in a screen of no more than 30 cm long. Before the TV, people were isolated from society  except for the radio, a broadcasting gadget radio announcers´ voice go through . The problem of the radio was that not all people had a radio in their houses, and it was used only by militaries. Besides, radio wasn´t a trusty communication line.

After the invention of TV, people became insane and they started to buy compulsively TVs. In the mid-60s, the first color television emerged, and in the 70s it came into wide use. The brand-new TV programms appeared and TV was by far the most used gadget. Suddenly TV was a big seller. TV also made people have a sedentary lifestyle.

Nowadays television viewers are decreasing due to new platforms like Youtube, Netflix, HBO... TV has also developed into HD images, 3D TVs, 4k Televisions, Smart TVs... In my opinion the TV is surely one of the best inventions worldwide, and I think it will never disappear from our lives.

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In my point of view, I think the radio is an important invention.
Many people in the past studied it and one of them was a spanish man. There are other people who developed many theories so we do not know exactly who created it

Firstly, there are some advantages of using it because we can listen to music, the news, interviews and football matches. Also, nowadays, our mobiles phones have included it in them.

Before there were radios, people heard the news when someone, in front of the town hall, started shouting them or just byttalking to each other when there was, for example, a market. However, not all the people could afford one, only rich families and some pubs.

Currently all people can buy one in the majority of the tech shops. They are very useful and you can even connet your mobile with them and play your favourite songs. I listen to it every day and also I managed to do it when I am very busy with my exams.

But there arle also some drawbacks, for example, if there is not connection with some net you can't listen to it and if it is powered by batteries, theysometimes stop working so we can't also listen to it, indeed.

All in conclusion, although tere are some drawbacks, I think it is a fantastic and wonderful invention, so if I were you, I would try to listen to it every day and just relax for a couple of minutes.