The human body depends on food for life and strength similarly the civilized world depends on fuel much. Modern transportation and most of the electric power are provided by fuels which the people depend upon. Industrialized world would not exist today without fuels. Food and Fuel are similar in many aspects .The minerals are found [...]
Archive for February, 2010
Acid Rain
Oxides of sulfur, carbon, and nitrogen are emitted into the air when fossil fuels like gasoline, coal and fuel oils are burned. Sulfuric acid, carbonic acid, and nitric acid are formed when these oxides combine with moisture in the air. When these acids are brought to Earth it is called as acid rain by way [...]
Soccer
The game of soccer, or association football as it is properly called, is the world’s most popular team sport. Virtually every country on Earth plays the game in some form or another. It is both physically and intellectually demanding, requiring athletic skill and quick thinking. Brazil’s Pelé, perhaps the greatest player the sport has ever [...]
Electricity
The world’s modern economies, with their industrial, transportation, and communication systems, were made possible by electricity. Old energy forms, such as water and steam, imposed limitations on production—limitations on where goods could be produced and on how much could be produced. Electricity has no such limits: it can go any where, even far into space. [...]
Newspaper
During the Middle Ages manuscript newsletters containing political and commercial information were circulated among the few people who could read. There were also occasional news books, or pamphlets, detailing an unusual event such as a battle. Between 1590 and 1610 about 450 news books were published in England alone. The first true newspapers were derived [...]
Television
Mindless entertainment has been provided by Television; outstanding presentations in drama, documentary, and the arts have been rewarded with viewers. Television made its impact on the society in the late 1940s, though this medium had been existing for some years. Its development was temporarily halted during World War II, but as soon as [...]
Water
Nearly three fourths of the Earth’s surface is covered with water. Perhaps the most important liquid in the world, water is usually easy to get from rain, springs, wells, streams, rivers, ponds, and lakes. It fills the vast ocean beds. The bodies of most living things contain a large proportion of water. For example, water [...]
Soaps & Detergents
In the medieval ages, soaps were prepared at home and used for cleaning laundry. During the 19th century a luxury product that came into common use was none other than Cake soap. when the natural ingredients for soap became scarce during World War II, the other synthetic relatives of soap, detergents were formed. Detergents unlike [...]
Recycling
The recovery and reuse of materials from spent products—called recycling or materials salvage—is an ancient practice with many modern applications. In recent years recycling has become a major part of environmental policy, largely owing to the increased costs of solid- and hazardous-waste disposal, the scarcity of natural resources, and the growing concern over polluted land, [...]