Technology_in_American剖析.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 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. 1836 Telegraph Samuel Morse was born in 1791, in Charlestown, Massachusetts. His father was a Congregational minister and a scholar of high standing, who was able to send his three sons to Yale College. Samuel attended Yale at the age of fourteen and was taught by Benjamin Silliman, Professor of Chemistry, and Jeremiah Day, Professor of Natural Philosophy, later President of Yale College, whose teaching gave Samuel the education which in later years led to the invention of the telegraph. 1844 Sewing Machine Elias Howe was the inventor of the first American-patented sewing machine. Elias Howe was born in Spencer, Massachusetts on July 9, 1819. After he lost his factory job in the Panic of 1837, Howe moved from Spencer to Boston, where he found work in a machinists shop. It was there that Elias Howe began tinkering with the idea of inventing a mechanical sewing machine. 1876 Telephone Born on March 3, 1847, in Edinburgh, Scotland, Alexander Graham Bell was the son and grandson of authorities in elocution and the correction of speech. Educated to pursue a career in