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Anonymous
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9/11/2009
What Are The Advantages And Disadvantages Of Artificial Satellites?
Anonymous
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7/14/2008
When Were Guns Invented?
Anonymous
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3/27/2007
When Were Clocks And Watches Invented?
Anonymous
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3/1/2009
Who Invented The Pinhole Camera?
Anonymous
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6/29/2009
What Is The Invention Of Fe Del Mundo?
Anonymous
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3/14/2007
What Is A Compass Made Of?
Anonymous
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9/22/2006
Who Invented The Ballpoint Pen, Was It Biro Or Bic?
Kathryn Patten
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9/21/2006
When Was The Wrist Watch Invented?
Anonymous
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2/28/2009
What Do We Use Gunpowder For Today?
Anonymous
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12/8/2006
What Are Springs Used For?
Anonymous
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6/22/2010
What Is The Function Of A Florence Flask?
Anonymous
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3/19/2009
What Are Some Roman Inventions?
Anonymous
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4/15/2008
What Are The Advantages And Disadvantages Of Clinical Thermometers?
Anonymous
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9/7/2009
What Was The First Invention Ever Made?
Anonymous
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12/8/2006
What Is A Bunsen Burner And Who Invented It?
Anonymous
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1/16/2009
When Was The First Light Bulb Invented?
Anonymous
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1/14/2009
Why Was The Telephone Invented?
Anonymous
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10/13/2007
Which Was Invented First - The Telephone Or The Radio?
Anonymous
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10/3/2006
Who Invented Houses?
Anonymous
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3/18/2009
What Are The Differences Between A Light And Electron Microscope?
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