1.
When was barb wire patented?

2.
Which scientist discovered the radioactive element radium?

3.
What J. B. Dunlop invented?

4.
In which decade was the first solid state integrated circuit demonstrated?

5.
Who invented the BALLPOINT PEN?

6.
What invention caused many deaths while testing it?

7.
Who invented Jet Engine?

8.
Where is the village of Branston, after which the famous pickle is named?

9.
What James Watt invented?

10.
What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?

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