Activity for roryokâ
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
How would two ships travelling at light speed communicate with one another? Supposed we have a ship travelling at the speed of light, or very close to it, or over. A second ship is travelling behind it at the same speed. The second ship wishes to communicate something to the first ship, but they can't transmit radio waves or even fire lasers at the ship in front, as that... (more) |
— | almost 10 years ago |