1. Who invented Jet Engine?
2. What invention caused many deaths while testing it?
3. Who invented Gunpowder?
4. Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear?
5. In which decade was the telephone invented?
6. Who perfected GENETIC ENGINEERING?
7. What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?
8. What Benjamin Franklin invented?
9. This part-time race car driver invented the bucket seat in 1969. Who was he??
10. What plaything was invented by Joe McVicker in 1956?