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6/25/2008
Who Invented The Abacus?
Anonymous
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11/9/2006
What Year Was The X-ray Invented?
Anonymous
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2/25/2009
What Are The Different Types Of Typewriter ?
Anonymous
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9/17/2006
Who Invented The Helicopter?
Anonymous
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6/23/2009
Who Are The Famous Foreign Scientist And Their Inventions?
Anonymous
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11/6/2006
What Is The Difference Between A Discovery And An Invention?
Anonymous
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3/5/2007
Who Was The Founder Of The Computer?
Anonymous
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8/20/2009
Scientist That Contributed In The Field Of Electricity?
Anonymous
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9/28/2006
Who Invented Insulin?
mrs garrett
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2/6/2007
Who Invented The Plastic Ends To Shoe Laces?
Anonymous
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10/6/2006
How Does Stethoscope Work?
dolly vaz
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1/9/2008
Who Invented Java And When?
Anonymous
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4/15/2007
When Was The Microscope Invented?
Anonymous
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4/14/2007
When Was The 'Sextant' Invented?
Anonymous
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3/10/2009
How Did Albert Einstein Die?
Anonymous
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8/21/2008
How To Build A Flying Machine At Low Cost?
Anonymous
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11/5/2008
How Many Types Of Thermometer Are There ?
Anonymous
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3/10/2009
Who Invented The Smart Board And When?
Anonymous
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11/14/2006
When Was Paper Money Invented?
Anonymous
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11/8/2006
When Was The Phone Invented?
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