m (→Relativity) |
m |
||
Line 31: | Line 31: | ||
Twin paradoxes. | Twin paradoxes. | ||
Spacelike, timelike and lightlikee. | Spacelike, timelike and lightlikee. | ||
+ | |||
+ | The hole argument (why Wheeler et al. are so keen on wordlines intersecting at events). |
Space and time. Time travel. Twin paradoxes. Spacelike, timelike and lightlikee.
The hole argument (why Wheeler et al. are so keen on wordlines intersecting at events).