Across
- 1. A symmetry linking bosons and fermions.
- 4. A type of brane where open strings can attach.
- 6. A hypothetical particle that travels faster than light, often seen as unstable.
- 7. The earliest version of string theory, containing only bosons.
- 9. Principle suggesting a lower-dimensional boundary can describe a higher-dimensional space.
- 10. The hypothetical quantum particle of gravity predicted by string theory.
- 11. A multidimensional object where strings can end or move.
- 13. What gives strings their particle-like properties.
- 14. The level at which string theory tries to unify gravity with the other forces.
Down
- 2. The scale at which quantum gravitational effects become important.
- 3. A unifying theory that combines different string theories.
- 4. String theory requires 26 of these rather than the standard four.
- 5. The process of curling up extra dimensions to make them unobservable.
- 8. The type of shape used to compactify extra dimensions in string theory.
- 12. The fundamental one-dimensional object in string theory.