Anonymous asked 2/2/2009

How Retina Scans Are Used As A Means Of Personal Identification.?

Anonymous asked 1/31/2009

What Are The Advantages And Disadvantages Of Typewriter?

Anonymous asked 1/30/2009

Who Invented The Computer ?

Anonymous asked 1/29/2009

When Was Electricity Invented?

Anonymous asked 1/29/2009

What Did Charles Babbage Invent?

Anonymous asked 1/29/2009

Who Invented The Microphone?

Anonymous asked 1/28/2009

Why Did Benjamin Franklin Invent Electricity?

Anonymous asked 1/27/2009

When Invented The Candle And When Was It Invented?

Anonymous asked 1/24/2009

Who Is The First Person Invented Mirror?

Anonymous asked 1/22/2009

When Was The Drum Invented?

Anonymous asked 1/20/2009

Why Was The Elevator Invented?

Anonymous asked 1/16/2009

When Was The First Light Bulb Invented?

Anonymous asked 1/14/2009

Why Did Burridge And Marshman Invent The Typewriter?

Anonymous asked 1/14/2009

Why Was The Telephone Invented?

Anonymous asked 1/11/2009

Is How Do Roots Grow When The Direction Of Gravity Changes Already Invented ?

Anonymous asked 1/11/2009

Who Invented The Eraser?

Anonymous asked 1/8/2009

Who Invented The Sink?

Anonymous asked 12/30/2008

Who Invented Printer?

Anonymous asked 12/11/2008

Who Invented Organ Transplantation?

Anonymous asked 12/9/2008

Who Invented Acrylic Nails And Where Was It Invented?