Natural units

Method — Measure space and time in the same units by setting c equal to one.

Present in chapters

20

Linked atoms

8 linked atoms.

20 Relatività ristretta

• Caterina towards Alpha Centauri
• Mr Rossi goes to the theatre
• The traveller at the cinema
• The rabbit race
• Four events and the inverse inequality
• Spacelike or timelike
• A relativistic timer
• Natural units