Introduction: Now-a-days electricity has become quite-common in the world. Everybody sees the wonderful work of electricity. The lights on the streets are lit by the electric current. Electric fans work in the court‚ high court and office-rooms. Trains and trams are run by the electric power. So‚ electricity is no longer a strange thing. Discovery of electricity: About six hundred years back the people of Asia Minor and Greece had a very crude idea of electricity. Next‚ the American Scientist
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Lightning - Each bolt can contain up to one billion volts of electricity - Electrical discharge is caused by an imbalance between positive and negative charges in the atmosphere - Colliding particles of rain‚ ice‚ or snow increase this imbalance and often negatively charge the lower reaches of storm clouds - Objects on the ground‚ like steeples‚ trees‚ and the Earth itself‚ become positively charged - A step-like series of negative charges‚ called a stepped leader‚ works
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SCIENTIFIC INVENTION ASSEMBLY LINE: Primitive assembly line production was first used in 1901 by Ran some Eli Olds (1864-1950)‚ an early car-maker (he manufactured the Oldsmobile‚ the first commercially successful American car). Henry Ford (1863-1947) used the first conveyor belt-based assembly-line in his car factory in 1913-14 in Ford’s Highland Park‚ Michigan plant. This type of production greatly reduced the amount of time taken to put each car together (93 minutes for a Model T) from its
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111 November 21‚ 2011 Ancient China: Vital Contributions China’s 10 Most Useful Inventions or Contributions China’s long history has been filled with useful inventions and discoveries‚ which have essentially improved the quality of life in China and throughout the world. Certainly‚ one would list gunpowder and fireworks as two of the greatest inventions from China. The invention of gunpowder in weapons provided countries with the opportunity to defend them and their country
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services to offer‚ a discovery that has been the most important source of these vivid ideas‚ has never been given much attention and is abused to its extent. This amazing discovery is what we call Electricity. Electricity is the flow of electrical power or charge. It is both a basic part of nature and one of our most widely used forms of energy. It is actually a secondary energy source‚ also referred to as an energy carrier. That means that we get electricity from the conversion of other sources of energy
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History of Electricity Our knowledge of electricity has started from very humble beginnings when you look at where we are today. Electricity has been around for as long as humans have. When lightning strikes ancient people may not have understood what it was or why it happened‚ but they at the very least witnessed it happen. Nature acted as a sort of catalyst to spark the curiosity of early people. It was only until sometime between 624 BC and 546 BC where an understanding of electricity began to
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Hephaestus Hephaestus‚ the god of fire and metalworking‚ used his talents and power to help Olympus in war and structure. Hephaestus is one of the most important gods in Olympus. Hephaestus built things that the other gods used. Without Hephaestus‚ Olympus would not be where it is at. Hephaestus was smart‚ strong‚ hardworking‚ and brave. Hephaestus was the son of Zeus and Hera. Hephaestus was also said to just be the son of Hera so that she could get revenge on Zeus for cheating with Metis
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Wonders of Electricity Electricity is the greatest gift of science to mankind. We have reached a point of our civilization when electricity is used for all purposes. Without it‚ our existence will be impossible. Electricity is a source of energy. It is produced by a battery or a coil of wires or by dynamo machine. It is produced in thermal station and also in hydro-project. There are various wonders of electricity. The most important of all is electric fan and electric light. These two things
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Winning is the most important thing Agree 1. Because in life there are always winners and losers…get used to it! 2. Competition is a good thing because it makes us work harder 3. Winning is important because it shows what can be accomplished‚ great people get great accolades. Winning is most definitely the most important thing in life. It is important that we learn from an early age that winning is important because all through life we will be faced with situations where there are winners
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The computer as the most wondrous technological invention of the 20th century Since the beginning of human era we have always tried to obtain machines to make our lives easier. Before the computer was invented people did boring tasks that we now take as they are. No one can deny the fact that computers play a very effective and important role in our lives. Many of us spend a lot of hours in front of computer working or using it just for fun. But still as any thing‚ PCs have their pros and
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