Who invented fuel cells in 1839?
Who is often called the 'first African-American' inventor?
In which decade with the first transatlantic radio broadcast occur?
In the 1700s, who would pay the postage fee for letters before the stamp was invented?
What toy did George Lerner create for Hasbro company in 1952?
Who invented the battery?
In which decade was the transistor invented?
Who invented Gramophone?
Who invented the Spinning Jenny?
What Elmer A. Sperry invented?
Who perfected GENETIC ENGINEERING?
The ELECTRIC BATTERY, who's charged with inventing this one?
The first hand glider was designed by...?
For whom high heeled shoes were invented?
Where were wigs first invented?
What Igor Sikorsky invented?
Who invented Internal Combustion Engine?
Who was the first person to patent the JET ENGINE?
What Henry Bessemer invented?
What J. B. Dunlop invented?
When was Monopoly created?
Who invented the BALLPOINT PEN?
In which decade was the first solid state integrated circuit demonstrated?
Which scientist discovered the radioactive element radium?
When was barb wire patented?
What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?
What Galileo invented?
This statesman, politican, scholar, inventor, and one of early presidents of USA invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel.
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