Technology_in_American探析.ppt

Technology in American;Introduction The first industrial revolution The second industrial revolution The third industrial revolution Why American technology is advanced ; As a superpower ,the united states occupies a dominant position in the world ,which is in a large part based on its highly developed science and technology. Today many people around the world are enjoying the scientific and technological contribution made by the Americans for example , the electrical lighting automobiles, telephone ,television ,computer internet ,and so on;The first Industrial Revolution ;lightning rod; Thomas Jefferson was a student of agriculture introduced various types of rice ,olive trees, and grasses into the new world. Then he studied the feasibility of introducing those crops to parts of the united states ;;1807 Regular Steamboat service on the Hudson River;The second Industrial Revolution.;1844 Sewing Machine;1876 Telephone; Alexander Graham Bell with a prototype (雏形)telephone, 1876. The single-port design required the user to alternately speak into and then listen through the same hole. ;Worlds first handheld phone call in public Cooper is considered the inventor of the first handheld cellular phone and the first person to make a call on a handheld cell phone prototype on April 3, 1973, in front of reporters and passers-by on a New York City street. Cooper later revealed that watching Captain Kirk using his communicator on the television show Star Trek（星际迷航） inspired him to develop the handheld mobile phone;Modern mobile phone; videophone;苹果iPhone 3G ;Electric light bulb in 1879 ; A coin with the image of Edison and the light bulb he invented. ;Cyrus Hall McCormick ; ; Automobile manufacturer Henry Ford was born July 30, 1863, on his familys farm in Dearborn, Michigan. From the time he was a young boy, Ford enjoyed tinkering with machines. Farm work and a job in a Detroit machine shop afforded him ample opportunities to ex