Man, as animal, is much weaker than many others. He has neither the strength of the elephant, nor the speed of the horse, but he has a mind such as no other animal has and it is by his superior intelligence that he has learnt to catch and tame and use for his own ends such great natural forces as wind, water, fire, steam and electricity. He has harnessed these powers as his servants.
Long ago, by the clever invention of sails, he used the winds to carry him in the ships across the sea. By means of windmills, the man had forced the wind, too, to grind his corn, raise water by pumps and drain wet land.
Science has changed and re-cost the nature and pattern of our daily life. The modern life has become a life planned, shaped, adorned and finished in a science laboratory. When a man is at home, modern inventions heat the chilly winter and cool the sultry summer accordingly as he wishes. When he goes out, swiftest vehicle to travel with speed and comfort are provided to him. When he is in office, factory, farm or any other place, there are many other inventions that provided him all the services that he may need. When it is night, light bulbs are available, that light up the streets and homes for convenience. There are filters that supply him the purest water to drink and every kind of beverage, hot or cold according to he chooses. The televisions, Cable TV Networking and internet bring him news and midday entertainment.
Inventions have also shown us how we can save time and labor. The automobile is one of those inventions that changed people's lives. Short after its invention automobile became a necessity in daily life more than being luxury or a symbol of nobility. Today the numbers of cars are close to half of earth's population. Almost every family in developed countries owns a car. The automobile had the greatest effects on our lives in last two hundred years because it is a necessity, it has an important effect on the world economy and it affects our...