The number of invention of high utility to mankind is so great that it is difficult to decide which is the most important. How can we choose between printing the steam engine, the aeroplane, antiseptic surgery, cholro form and the various inventions connected with electricity such as the telegraph the telephones, wireless telegraphy and electric light? if we judge and invention's utility by the extent of the changes it has brought about in men's thoughts and social life, perhaps the steam engine and the printing press stand first. The printing press has most profoundly influenced men: but the social revolution caused by the steam engine has been more dramatic and can be more easily described.
The steam engine has made the world smaller.It has contracted space and shorted time. By rail and steam ship we can now reach different parts of the world by journeys of hours instead of days and of days instead of months.
With this means travel has become so easy, quick and comparatively cheap, that people of all nations who were formerly confined to their native countries are now diffused all over the globe. The world has got to known itself better national isolation has been broken down, and men of all nations are beginning to feel they all belong to one great family the human size.
The wonder full improvement and extension of the means of communication has led to an enormous increase of trade and commerce, which brings to product of all land to every body's door's.
Above all the steam engine brought about the industrial revolution which resulted in the form of civilization characteristics, of the 19th and 20th centuries. Applied to machinery it made possible the rapid production in enormous quantities of all kinds of useful articles at low prices which brought things, which were luxuries before, within the reach of even the poor. It produced the factory system which means the gathering together thousands of working men in on business and under one control in place of formal small business and this again produced the great modern towns, with their conveniences and their grave social problem....!!:)
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