2013 S1-06 Innovation and Entrepreneurship
Tuesday 8 January 2013
CSI: Who invented the electric light bulb?
5 comments:
Anonymous
8 January 2013 at 19:53
Joseph Swan
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Brian Cheng
8 January 2013 at 19:54
Joseph Swan of course!
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Eden Lok
8 January 2013 at 19:55
Joseph Swan
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David yeong
8 January 2013 at 19:56
Humphry Davy first invented the light bulb
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Anonymous
9 January 2013 at 02:07
Humphry Davy
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Joseph Swan
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