the X
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Tuesday, July 19, 2011
Sunday, July 17, 2011
Black History Facts
History has credited Thomas Edison with the invention of the light bulb, but fewer people know about Lewis Latimer's innovations toward its development. Until Latimer's process for making carbon filament, Edison's light bulbs would only burn for a few minutes. Latimer's filament burned for several hours.
Friday, July 15, 2011
Friday, July 8, 2011
Wednesday, July 6, 2011
Tuesday, July 5, 2011
Monday, July 4, 2011
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