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Machines in Modern World - Essay Example

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Imagine a world without machines. You have to walk to the place you work and then walk back home. At home grind the flour so that you can make some bread. Then use the broom to clean the place. Find and fetch firewood so that you may cook and heat your home…
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Machines in Modern World

Download file to see previous pages... Planting the seed is done manually and as the time for reaping comes you spend hours in the fields reaping the corn or wheat with a scythe. It is slow, frustrating and backbreaking work. Of course, the scenario given above did exist some time in the distant past. Maybe one has even read about it or seen such a life in some movie. But after experiencing all the conveniences of the machine filled it is difficult to imagine going back to a world without machines.
This article is about machines and how they have enriched our lives both at the workplace and at home. It was also look at some of the disadvantages also. It will also take into account all the advantages and some disadvantages of using machines and in the end will show that after taking into account all the pros and the cons, the world is a better place to live in because of the abundance of machines that we see and use everyday.
Man the machine: In effect the human body or the body of any creature that can move can be called a machine. The body is used to carry loads and perform tasks with hands and feet just like machines. Even animals use their body as machines. In fact, no machine quite as complex as the human body has ever been built. The human body has the circulatory system, the nervous system, the reproductive system, the skeletal system, the muscular system and the excretory system and no machine has even come close in complexity. If the body is such an efficient machine it could be asked as to why machines have been built. The answer would be that the body has its limitations. It cannot work continuously as machines can, it cannot carry the heavy loads that machines carry and it cannot repeatedly carry out error free operations as a machine can. But what it can do is, think creatively, and constantly look for ways to make life more convenient. This is the main difference between the human being when compared to other creatures.. With their limited thinking capacity, very few animals creatively use tools for more efficiency. The ant still carries its food on its back instead of using a trolley and tigers and lions still hunt using their feet and claws to kill instead of using a gun. But human beings have over the long period of its existence thought of and invented a wide array of machines that can perform tasks far more efficiently and quickly and will continue to do so. So machines are essentially a thing that is intended to make life more efficient and in some cases dangerous for us. To make the matter more clear a detailed look at the limitations of the human body and the advantages machines have over it would be appropriate.
Limitations of the human body as a machine:
a. Fatigue: No living organism can live or do work without getting energy. Energy is obtained from nutrients that are found in the food that is eaten by a person. A body needs adequate nutrients like fat, proteins, minerals, carbohydrates and water to perform tasks and to survive. A depletion of these nutrients will result in fatigue which in turn will affect his performance. A person can work without food relying on his internal reserves of energy for a few days. Some who are healthier can extend this period for a few more days. But ultimately there is a limit to what the body can take and there will come a time when it will refuse to function the way we want. Of course, energy is needed for machines to work too. But that will be discussed later in the article.
b. Thirst: Thirst is taken up for special mention because the human body can ...Download file to see next pagesRead More
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