1 Wā
52 Episode
The Mechanical Universe - Season 1 Episode 42
If the speed of light is to be the same for all observers, then the length of a meter stick, or the rate of a ticking clock, depends on who measures it.
- Tau: 1985
- Whenua:
- Momo: Documentary
- Studio: PBS
- Kupu matua:
- Kaiwhakahaere:
- Maka: