1. Who invented the BALLPOINT PEN?

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

3. What J. B. Dunlop invented?

4. Which scientist discovered the radioactive element radium?

5. When was barb wire patented?

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

7. What Galileo invented?

8. 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.

9. What James Watt invented?

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