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5 Top engineering inventions
Joe Johnsonon 23 August 2010
Transcript of 5 Top engineering inventions
Radio: The wireless transmision through space of electric magnetic waves in the frequency range of 10 kilohertz to 300,000 megahertz 600 million passenger vehicles worldwide In 1806 the first combustion system was made by Francois Isaac De Rivaz 1885 - Karl Benz created the first modern automobile Most modern cars use Gasoline or diesel in an internal combustion engine Was started as a US Government project in 1958 to gain a technological lead over the Russians The internet has no governing body that controlls it. It is complete anarchy The waves can travel through air and vacuums and are turned into sound when tey reach the radio The first radio that transmitted sound was made in 1896 by Mr. Marconi Radio waves are used to transmit cell phone calls, television videos and soud, and is used as RADAR Made by Alexander Graham Bell in 1876 Sound is transmitted on a land line on a twisted wire, while cell phones use radiowaves to transmit calls We chose the automobile because it is a convenience for everyday life The telephone has made people become more connected and things get done faster The internet has changed the way we give and receive information Radio and Television is a faster way to spread news and information to people The first power plant was made in 1882 In 1930 president Roosevelt saw that electrification could be used to create jobs and help the eceonomy. He made the power grid Bibliography