Oppenheim's Post-Quantum Classical Gravity
Beneath the Standard Model
Speculative, 2023
The three rings
- Inner ring
- The other variants of Beneath the Standard Model. A hollow square is historical or rejected.
- Middle ring
- The other families of Ch. 4, as their status shapes.
- Outer ring
- The other chapters. Those at the top are marked “Also answers this question”: this variant answers their question too.