Special relativity and steps towards general relativity/image gallery
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- 1 SR
- 1.1 spacetime unchanged, coordinate system "rotated"
- 1.2 invariant interval
- 1.3 rapidities add to arbitrarily big positive or negative numbers
- 1.4 standard SR effects
- 1.5 tachyons: what if they exist?
- 1.6 past time cone, here-now, future time cone, elsewhere, null boundaries
- 1.7 avoid wrong assumptions, otherwise paradoxes
- 1.8 Dynamics
- 2 GR