Across
- 3. The theories of special and general relativity
- 5. Ultra short radio waves
- 7. Periodicity of the elements
- 10. Dideoxy method of DNA sequencing
- 11. modern ballpoint pen
- 13. Theory of the Atom
- 14. electromagnetic inductions
- 15. Observation of microorganisms
Down
- 1. Electron
- 2. Penicillin
- 4. World Wide Web
- 6. discovered and named the element thallium
- 8. plant cells
- 9. microchip
- 12. telephone