Sunday, February 27, 2011
History Project
The Black History Inventor i chose Thomas Edison.Thomas Edison invented the electric light bulb.He invented this light bulb in 1879.Also he didn't invent it he just inproved it upon 50 years old.He invented this by usinglower current electricity,a small carbonized filament,and a inproved vacuum inside the globe, and long-lasting source of light.
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