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Unanswered Inventions Questions

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When were aircraft invented?

What did Jan Matzeliger?

Why cant you get black rangas?

When did CD players become popular?

Who invented liquard paper?

What was invented in 1899 and helps you see?

What some facts of John standard childhood?

How has velcro sparked other inventions?

What was george washingtons sisters name?

What is a saucepan with a lid used for?

Why does bubble wrap pop?

What tool did solymon merrick patent in 1835?

How are chloroplasts like a solar panel?

How does a soda clock work?

When was the mechanical reaper built?

Who invented the piezoelectric pickup?

Was Kevlar first created in 1965?

What is the modern use of the golden crown theory?

What is garrett morgan famous for?

What is a polychoral motet?

Inventor of the adding calculating machine?

What are the components of francium?

When was erazer on pencil first made?

How did Sarah E Goode die?

How do you create dynamite?

What did edwin hubble invented?

The reaper was invented by?

What did francis lowell invent?

When was the first electric printer invented?

Inventor who constructed first practical telegraph?

What date was yugioh invented?

Who is W B Purvis?

What date was the ferris wheel invented?

What can track storms at different altitudes?

What awards did benjamin franklin recive?

What year did Anna M Mangin invent the pastry fork?

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