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Old 05-24-2012, 05:18 PM   #1
Retired BOD - Doug
 
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My wife was working a crossword puzzle this evening and ask what the element in a light bulb was made of.... The only thing I could remember from those days was a carbon fiber. So like any dumb butt I wanted to know the answer.. Talk about some surprises. Bet you didn't know a lot of this stuff either. Live and learn!

http://en.wikipedia.org/wiki/I..._light_bulb#Filament

Take note of the time line...another surprise.

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Old 05-24-2012, 05:18 PM   #2
Retired BOD - Doug
 
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My wife was working a crossword puzzle this evening and ask what the element in a light bulb was made of.... The only thing I could remember from those days was a carbon fiber. So like any dumb butt I wanted to know the answer.. Talk about some surprises. Bet you didn't know a lot of this stuff either. Live and learn!

http://en.wikipedia.org/wiki/I..._light_bulb#Filament

Take note of the time line...another surprise.
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Old 05-24-2012, 07:39 PM   #3
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The first answer that popped into my head was tungsten. According to that article, carbon filaments were used around the 1900's Doug, what a good memory you have.... They were phased out back in the UK and I think Canada is going to ban them in 2014.
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