Across
- 3. First antibiotic invented.
- 4. Thomas Edison was its inventor.
- 10. Introduction of changes to technological artifacts,processes and systems
- 11. The innovation of this machine is a internal combustion
- 12. Is a discovery.
- 14. Is an innovation.
Down
- 1. This invention marked the history of travel and exploration
- 2. it expand the number of potential readers
- 5. Is a Invention.
- 6. Was invented 4000 years ago.
- 7. Invented in the ancient Mesopotamia.
- 8. A new product.
- 9. Is the finding of something that was hidden or unknow.
- 13. Developed by Samuel Morse