Concept — Interval between events that all observers measure to be the same.
Present in chapters
20
Linked atoms
26 linked atoms.
20 Relatività ristretta
- Caterina heading for Alpha Centauri
- What is an event
- Relativistic western duel
- The twin paradox
- The Minkowski plane and the light cone
- The physical meaning of the three classes
- Mr Rossi goes to the theatre
- The traveller at the cinema
- The Minkowski invariant
- Invariance, the true heart of relativity
- The relativistic time bomb
- The reverse triangle inequality
- The rabbit race
- The relativity of simultaneity
- Schwarzschild metric and black holes
- No signals faster than light
- Problem — Proof of the energy-momentum invariant
- Problem — The reference frame of minimum time
- Problem — Particle or photon
- Four events and the reverse inequality
- Challenge: the twin paradox
- Reference frame of simultaneity and co-spatiality
- Spacelike or timelike
- Timelike, spacelike, lightlike
- A relativistic timer
- Natural units