Answers

2015-12-03T10:55:20+08:00
Thomas edison he invented the standard incandescent bulb
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2015-12-03T20:28:36+08:00
The incandescent light bulb was invented by Joseph Swan, an inventor from County Durham in North East England, and first demonstrated to the public on December 18, 1878 in nearby Newcastle Upon Tyne.[1]
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