What did Eli Whitney invent?

More Questions:

What is the significance of the moth found in the Harvard Mark I computer?

What sport officially banned left-handed play in 1975?

Mark Rothko is best known for his work in what genre of painting?

The "Tuesday Club Murders" was a novel written by what mystery writer?

What does the middle initial stand for in Arthur C. Clarke's name?

On which of North America's Great Lakes does the city of Buffalo stand?

Hagatna is the capital of which country?

What animal always gives birth to same sex twins?

Sound Navigation Ranging is better known as what?

Johann Van der Smut is better known as what?

What TV show had the tagline: Most gripping sitcom since 1380?

Which actress was dubbed "The Scream Queen" after appearing in numerous horror films?

What military legend was nicknamed "The Swamp Fox"?

Which pioneer of modern nursing had a cat called Bismark?

As what is Beethoven's piano sonata in C-sharp minor more commonly known?