Across
- 2. aptly named particle that holds quarks together
- 3. type of matter that is invisible
- 5. a region of spacetime where light cannot escape
- 8. ______ Relativity; relationship between space and time
- 9. effect for which Einstein won the 1921 Nobel prize
- 11. type of waves in spacetime
- 12. Mr. Oleary's first name
Down
- 1. ______ Relativity; the study of curved spacetime
- 4. type of treatment for cancer
- 6. when an elements emits particles or radiation and becomes stable
- 7. abbrev. for theory of strong force interactions
- 8. theory of quantum gravity where particles are replaced with one dimensional objects
- 9. a neutron star that emits radiation at regular intervals
- 10. factor that tells how much time is dilated for a moving body
- 13. boson named for an British physicist