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Index
PREFACE
1) THE MAGIC NUMBER
The prime number
The number of sufficient magnitude
Occam's razor
The natural number
2) DIMENSIONS
What is a dimension?
Spacetime
Absolute space
3) THE GEOMETRY OF THREE DIMENSIONS
The Platonic solids
The Platonic solids in higher dimensions
The stability of orbits
Anthropic theories
4) GENERAL RELATIVITY
The curvature of space
Tensors
Tidal forces
5) INTO THE FIFTH DIMENSION
Kaluza-Klein theory
Potential
The circular dimension
Microscopic dimensions
6) STRING THEORY
The music of strings
The best-kept secret in mathematics
The hidden dimensions of string theory
7) WHY THREE DIMENSIONS?
Part 1: A bit of relativity
Part 2: A bit of thermodynamics
Part 3: A bit of particle physics
Part 4: A bit of quantum mechanics
Part 5: Why three dimensions?
APPENDIX
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