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Men have invented many things  without which our life may not have been as it is today.Electricity has been so far one of man's best inventions. Today, without electricity our life is unimaginable. Everything, almost everything, is dependent on electricity, be it trains, your breakfast and even its only because electricity was invented, you are able to get answer to this question. Based on electricity thousands  of inventions have been made so far.So undoubtably electricity has been one of the best inventions of man ever.
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Technology (from Greek τέχνη, techne, "art, skill, cunning of hand"; and -λογία, -logia) is the collection of tools, including machinery, modifications, arrangements and procedures used by humans. Engineering is the discipline that seeks to study and design new technologies. Technologies significantly affect human as well as other animal species' ability to control and adapt to their natural environments. The term can either be applied generally or to specific areas: examples include construction technology, medical technology and information technology.

The human species' use of technology began with the conversion of natural resources into simple tools. The prehistoric discovery of how to control fire increased the available sources of food and the invention of the wheel helped humans in travelling in and controlling their environment. Recent technological developments, including the printing press, the telephone, and the Internet, have lessened physical barriers to communication and allowed humans to interact freely on a global scale. However, not all technology has been used for peaceful purposes; the development of weapons of ever-increasing destructive power has progressed throughout history, from clubs tonuclear weapons.

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