Q. What J. B. Dunlop invented?

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Q. Which scientist discovered the radioactive element radium?

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Q. When was barb wire patented?

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Q. What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?

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Q. What Galileo invented?

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Q. 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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Q. What James Watt invented?

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Q. Where is the village of Branston, after which the famous pickle is named?

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Q. Who invented Jet Engine?

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Q. What invention caused many deaths while testing it?

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Q. Who invented Gunpowder?

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Q. Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear?

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Q. In which decade was the telephone invented?

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Q. Who perfected GENETIC ENGINEERING?

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Q. What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?

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Q. What Benjamin Franklin invented?

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Q. This part-time race car driver invented the bucket seat in 1969. Who was he??

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Q. What plaything was invented by Joe McVicker in 1956?

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Q. Who was the first American female to patent her invention, a method of weaving straw with silk?

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Q. Who invented Gramophone?

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