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Spectral Reflectance Spectral Reflectance Reflectance Spectral Reflectance Color
726 wordswhite light = RGB light in equal amounts color is a psycho physical response the human eye sees from 380 770 nm (NOT 400 700 nm) ex. / 380 550 770 blue green red 1. psycho physical theory: invented by Young Helmhotlz, the eye sees three colors of light red, green, and blue that are reflected from objects. 2. trichromatic: sees all three colors 2. dichromatic: sees only two of the three colors 2. monochromatic: sees only black and white 2. opponent vision theory: invented by Herning, perceptions ...
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Compass Has Served Compass Was Invented Magnets
349 wordsThe compass has served as a navigational aid to many tourists, travelers, and numerous explorers. Though the compass has served well in navigation, it has affected and improved mankind greatly. In China, building was refined in many ways by the compass. It has enabled many to find positions, direction or route. No one knows when, where, or by whom the compass was invented (dEstaing and Young 153). We do know though, that there were numerous inventors of the compass. The first compass was invente...
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Light Bulb Grolier Multimedia
1,351 wordsOn October 22, 1879 Thomas Edison created the electric light or what we know of it today as the light bulb. To make a statement like this that Thomas Edison invented the light bulb is both a huge hyperbole and a huge understatement all at the same time. A more correct view is that he perfected a practical light bulb and that his real plan and accomplishment was the invention of an electrical system to produce and distribute electrical power. He did in fact invent a light bulb with the correct fi...
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Benjamin Franklin Thomas Edison
974 wordsBenjamin Franklin was born on January 17, 1706, in Boston, Massachusetts. His father's name was Josiah Franklin and his mother's name was Asian Folger. Benjamin was the 15 th child of 17 and was the 10 th boy. Benjamin went to grammar school from age eight to ten and decided to stop, but read enough books to educate himself. After leaving school he went to work for his dad making candles. He did not like working for his dad so he became a cutler. At age 13 he worked with his brother James, who h...
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Miles An Hour Steam Engines
1,292 wordsHow much people's lives changed for the better during the Industrial Revolution and why? In Britain about two hundred years ago, great changes took place in making goods and transport, which has moulded the way our world works today. These changes made big differences to many people's lives and work methods; and put together these are called the Industrial Revolution. They started in Britain and speed to Europe and on to the United States. A lot of the Industrial Revolution's changes helped the ...
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Game Of Basketball Basketball League
1,192 wordsThe game of basketball has evolved a great deal throughout the years. Basketball was invented on December 21, 1891. The inventor of the game was a Canadian clergyman, James Naismith (Joseph Morse, 1973). The game of basketball was fashioned from fragments of other games, seeking to eliminate flaws of indoor rugby, soccer and lacrosse. Naismith also borrowed aspects from the childrens game Duck-on-a-Rock, in which children tried to knock off a rock from a boulder by tossing smaller rocks from abo...
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The Industrial Revolution In England
1,405 wordsIn the years preceding 1750 England, although a wealthy nation still suffered from poverty and a poor economy. Despite the fact that there were manufacturers, not enough produce could be made, and so England remained poverty stricken. The 2 main areas of productivity were agriculture and woollen textiles, the larger earner of these two being wool. The manufacture of woollen cloth had been the main industry since the middle ages, when England was one of the worlds greatest producers of raw wool. ...
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Jorge Luis Borges Style
2,103 wordsJorge Luis Borges Style Jorge Luis Borges is the Argentina writer. He began his literary activity in Spain as one of founders of a modernist direction - ultraism which principles he have later developed in the Argentina poetry. Borges has gained wide popularity with fantastic stories that contained idea of absurdity of the world to that their complicated figurative structure corresponds. He was the author of many literary researches and essays. Ultraism is one of the "left" directions in the Spa...
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Twelfth Century Political Turmoil
2,645 wordsArabic Mathematics Everybody would agree that mathematics owes a great debt to the Arabs. Just as George Sarton, a famous Harvard professor of history and science wrote in his not less famous Introduction to the History of Science: From the second half of the eighth to the end of the eleventh century, Arabic was the scientific, the progressive language of mankind. When the West was sufficiently mature to feel the need of deeper knowledge, it turned its attention, first of all, not to the Greek s...
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Tvs Steps Camera Tube Picture
427 wordsWe have at Television TELEVISION We have at least a television in our home. television allows us to hear and see events as soon as they happen. If our grandmas mother or father see TV, theyll suprised and say This is diablos machine! . We watch TV at least two hour in a day. HOW WORKS TV? When a TV program is broadcast the sound and picture are sent out simultaneously by two different radio systems. The TV camera takes the picture. Camera is the most important part of the camera. The light from ...
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Iron And Steel Blast Furnace
1,160 wordsThe World is forever in debt to China for its innovations. Ancient China was extreme advance and many of its discoveries are still in use today. This is what Robert Temple, the author of The Genius of China 3000 years of science, discovery and invention. The book is based on 11 main parts of Chinese innovation. Within these 11 categories, there are 3 main parts that contain the most significant inventions. Robert Temple concentrates the bulk of his examples in these three categories, agriculture...
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Consumer Products 25 Years
1,280 wordsEvery day companies compete by inventing by inventing a new product. Some of these things are very useful and we dont know how we would live without them. Many of these products dont have much impact on society and fade out throughout the years. Most of us can think of many examples such as: Crystal Pepsi, slap bracelets, pog's, and backpack purses. As we look back at the products invented in the last 25 years, we wonder what type of new products we will invented in the next 25 years. Of all the...
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Mathematical Analysis B C
1,141 wordsBefore the time of recorded history, prehistoric people learned to count such things as the animals in their herds and flocks. They probably first used their fingers or pebbles to help keep track of small numbers. They learned to use the length of their hands and arms and other standards of measure. And they learned to use regular shapes when they molded pottery and chipped stone arrowheads. Since the prehistoric times, mathematics has come a long way. In this essay, I will try to sum up the dev...
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Eric Clapton Electric Guitar
1,177 wordsThe History of Guitar By Four hundred years ago the guitar was invented. Since then, guitar has been a great innovative instrument. It serves as the heart of a song, or sound. From Jazz, and Blues, to Heavy Metal, and punk music guitar has been perhaps the biggest factor in modern music. Between acoustic guitar, and electric guitar there is a lot of history. When guitar was first invented, it looked nothing like the guitars that we know. The first guitars were lutes. Lutes evolved into vihuelas,...
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Academy Of Sciences Light Bulb
1,424 wordsIlluminating the Path of Progress Thomas Alva Edison is the most famous inventor in American History. Edison designed, built, and delivered the electrical age. He started a revolution that would refocus technology, change life patterns, and create millions of jobs. He became famous for his scientific inventions, even though he was not a scientist. His real talent was his ability to clearly judge a problem and be persistent in experimenting. He was the master of the trial and error method. Thomas...
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Solid State Lasers Funk And Wagnalls
1,294 wordspeople see Lasers When most people see a laser beam they are amazed by its unique physical properties. Laser light is so unique from other light because it is coherent; unlike ordinary light, which travels in all directions, laser light travels in a straight beam. The word laser is an acronym for Light Amplification by Stimulated Emission of Radiation. The history of the laser is very interesting. Lasers have changed immensely since they were first invented. Before the laser was invented, Charle...
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Leonardo Da Vinci Ahead Of His Time
956 wordsLeonardo da Vinci was born on April 15, 1452 in Florence, Italy. Ever since birth he was in love with the study of science and art. Leonardo da Vinci did not only influence his culture with his art work, but with his numerous inventions and his study on the human body. Leonardo was a determined man who changed his culture by going against his society and following his dreams. By following his dreams he did what no man had ever done before. Leonardo introduced a new style of painting and sculptin...
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Forces Of Nature Dark Ages
4,449 wordsThe education of the Greeks exhibits a progressive development. The ideal of Athenian education was the completely developed man. Beauty of mind and body, the cultivation of every inborn faculty and energy, harmony between thought and life, decorum, temperance, and regularity such were the results aimed at in the home and in the school, in social intercourse, and in civic relations. We are lovers of the beautiful, said Pericles, yet simple in our tastes, and we cultivate the mind without loss of...
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Leslie Marmon Native Americans
1,840 wordsRacial Unity Through Ceremony Over the years, after wars and famine, peace-time and floods, few things have persisted to survive. Society, art, and other intangible objects as these are survivors of two millennia of human progress. Intelligent concepts and premises have also survived, as have emotions and morals. Even as these outstanding examples of humanity have survived, so have some less affirmative ideals lived on through our fore-bearers. Cultural, ideological, religious, and political sup...
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Lead Acid Battery Positive And Negative
1,037 wordsBatteries and Their Importance- We use batteries everyday, we use them to start our cars and to listen to our Walkmans. I have a few questions: How do batteries work? What are the different kinds of batteries? Why do they die? Why do they lose energy when they are not used for a long time? Well I tried my best to find the best answers for these questions and a little more. Battery, also called an electric cell, is a device that converts chemical energy into electricity. All batteries contain an ...
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