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Technology in America. www.themegallery.com. Early 19th Century. 2. Late 19th Century. Mid 20th Century. Introduction. 3. 5. 1. Early 20th Century. Late 20th Century. 4. 6. Contents. Technology.
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Technology in America www.themegallery.com
Early 19th Century 2 Late 19th Century Mid 20th Century Introduction 3 5 1 Early 20th Century Late 20th Century 4 6 Contents Company Logo
Technology It is a system of practices, often involving a physical device, that accomplishes some result desired by some influential segments of society: government planners, military leaders, businessmen, or even a large proportion of citizen consumers Company Logo
Early 19th Century • Eli Whitney Eli Whitney(1765-1825),inventing Cotton gin around 1973. Some children are even familiar with Whitney’s development of the system of mass production of wea- pons with interchangeable parts. But Whitney’s gin did not perform very well with most kinds of cotton being grown at that time. Company Logo
John H.Hall If there was one individual who can be credited with developing the so-called American system of production, it would be the little known director of the Rifle Works at the Harpers Ferry Armory, John H.Hall Company Logo
The Stevens and transportation • The significant role of the Stevens family in the history of transportation in early ninetieth American is little appreciated. • The father John Stevens, who not only worked on improving railroads but also joined with Robert Fulton and the early work with steamboats. • Robert Livingston Stevens and Edwin Augustus, made possible cost-effective long distance railroad. Their contributions were essential problem of railroad tracks, the fundamental constraint on the size and speed of trains. Company Logo
Samuel F.B.Morsen and Alexander Graham Bell Just as the railroads led to the virtual abandonment of the newly constructed barge and canal system, so did the tele- graph undercut the short-lived Pony Express system. Company Logo
Late 19th Century • Thomas Alva Edison (The Wizard of Menlo Park) inventions Company Logo
The Wizard of Menlo Park • it refers to Thomas Edison. He was the most famous of all American inventors. Among his many important inventions are electric lamp, phonograph, motion pictures and parallel circuit. As he was so clever and talented and his workplaces were located in Menlo Park, New Jersey, he earned the fond title “The Wizard of Menlo Park” Company Logo
Frederick Winslow Taylor Henry Ford Taylor began his time-motion studies and found the most efficient ways for laborers to accomplish their task Ford began to use the concept of the assembly line for manufacture, a notion borrowed from the practices of cattle slaughtering houses. Taylor and Ford They combined to make the American system of manufacture the dreary, mindless,alienating way of working---Modern Times. Company Logo
Add Your Text James Clerk Maxwell Heinrich Rudolf Hertz Cycle name Reginald Fessenden Guglielmo Marchese Marrconi Lee De Forest Early 20th Century Company Logo
Early 20th CEntury • The invention of the radio The radio also served to connect them with “neighbors." And radio was an important locus of advertise- ments for the products to feed a growing consumerism in American. Company Logo
Mid-20th Century • The age of Visual Information • Houshold technologies Company Logo
Late 20th Century Diagram 1 Click to edit sub text Computer science Rocketry Nuclear energy Diagram 2 Diagram 3 Diagram 2 Diagram 3 Diagram 3 Click to edit sub text Diagram 2 Click to edit sub text Company Logo
Bill Gates • Bill Gates is the founder of Microsoft Company, which is the leading software company. Bill Gates devised a set of coded instruction for computers, a Disc operating system -DOS Company Logo
PC • It stands for personal computer. Computers were first used to predict the path of fired shells, they were huge in size and consumed much electricity. • Two young amateur inventors devised a smaller, personal computer. Young Steve Jobs, working in his garage with his friend Steve Wozniak, was able to package a small desktop computer that could process symbols. The most widespread use of the PC now is for word processing and communications. Company Logo
The Internet • It emerged in the United States in 1968 during the period of the Cold War. The original idea was to connect computers housed at military strategic locations throughout the US for the purpose of saving the information in case that would be a nuclear attack. If any one of the computers was attacked, the information could still be obtained from the remaining functioning computers. Company Logo
Computer science Company Logo
Academic career missiles Add Your Title rocketry Space shuttle Space shuttle Company Logo
Atomic bomb B Nuclear reators Hydrogen bomb A C nuclear Thermal pollution Nuclear waste D E Nuclear energy Company Logo
Task (Discussion in groups) • What role does technology play in our lives? Does it only provide conveniences or does it sometimes change our life style? Give examples to illustrate your ideas. • What do you think is the greatest inventions so far? Why? Company Logo