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Essay on: Electricity

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Electricity            Today, human life has become more comfortable, advanced and developed because of many scientific inventions. Among them electricity is one of such inventions which is regarded to be one of the wonders of modern science. Electricity was invented by the American scientist; Edward Edison in 1878. The use of electricity first began in England.            Electricity is of two kinds: Static and Current. Static electricity cannot be transferred from one object to another and from one place to another. Current electricity can be transferred from one place to another by wishes. The electricity which we are using in current electricity.              Electricity is generated with the help of water. So it is called hydro-electricity. Electricity is also produced by coal, petroleum and other fuel. But t...

Essay on: Telephone

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Telephone     The telephone is the means of communication. An American scientist Graham Bell invented in 1876. It is a very useful invention. It is no more an item of luxury. It has become a means of necessity. In cities and towns, people have telephone to talk to the people far away without going to them. Now the people in the villages also have telephones.       The telephone is operated by electricity. Wires connected different telephone sets. A telephone set has two parts- Receiver and transmitter. We speak with the help of transmitter and hear with the help of receiver. Every telephone has its number. In order to talk to a person, we have to dial the number. The person hears the call and holds the receivers. Then we can speak to him.        The telephone is the fastest means of communication. So, it is useful in many ways. It saves our times, labor and money. We can talk to a person for a simpler matter....

Essay on: Television

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Television         Television is an electrical equipment with a screen on which you can watch programs with moving pictures and sounds. It is a great gift of science and technology. It was invented by a Scottish scientist J.L Baird in 1926. It has become one of the commonest means of communication where the electricity is available.        People can buy television sets according to their interest s and capacity. The price range of televisions starts from low to high. They are available in cheap price also. Electricity is necessary to operate it. Television should be kept in a certain place in the room of the house. Nepal Television is the official television channel of our country.        Television broadcasts are designed to inform, educate and entertain people. People are informed with national and international news through announcements, notices and advertisements. Telev...

The Tell-Tale Heart

                                                     The Tell-Tale Heart Summary         The story, The Tell-Tale Heart was written by an American short story writer, poet and critic, Edgar Allan Poe. In this story, an unnamed narrator tries to convince his audiences of his sanity while revealing many folds of a mystery of a murder. In the beginning of the story the narrator tries to justify his sanity with a claim that he can hear all the sounds from Heaven, Earth and Hell. As further evidence to his sanity, he tells why and how he killed an old man.     The narrator used to live in a house with old man. He loved the old man because he hadn’t done anything wrong to the narrator. He didn’t have...

Purgatory

                                                   Purgatory Summary                The play ‘Purgatory’ was written by an Irish poet and dramatist W.B Yeats. In this play, the writer describes the suffering of a soul in purgatory because of its share when alive in the destruction of an honored house.            Standing at the background of a ruined house and a bare tree, an wandering peddler is revealing the history of the house to his bastard son. It was an honored house in which the peddler himself, his mother and many great people of the nation had been born. The mother of the peddler had married a drunken groom without permission of her parents and had died after giving birth to him. The drunken groom had wasted away the estate and had destroy...