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Tech Timeline

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by

Maya Brown

on 9 September 2012

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Transcript of Tech Timeline

Technology Timeline 1900-1910 1920's 1930's 1940's 1950's 1960's 1970's 1980's 1990's 2000-2010 1902 - Polygraph machine is invented by James Mackenzie 1923 - Garrett A. Morgan invents the traffic signal 1939 - Igor Sikorsky invents the first successful helicopter It was first created for the purpose of medical examinations Later it was revised into a machine that detects stress Invented to give drivers a warning before they needed to stop, which prevented accidents. In 1938 the U.S. government gave Sikorsky two million dollars to fund his invention. The product was the VS-300, which was able to stay in the air for fifteen minutes. 1941 - Conrad Zuse invents a binary computer In 1941, Zuse made the world's first electronic, fully programmable digital computer. 1962 - The first commercial modem made by AT&T A modem sends and receives data between two computers. Present Time Released in July 2012 Samsung Galaxy S III
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