Activity for MackTuesdayâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
Gravitational waves as "reaction mass"? If we want to be realistic, we imagine ships pushing stuff out the back and relying on the conservation of momentum to move forward. Gravitational waves carry momentum. Are they viable as a kind of "reaction mass"? How might a propulsion system emit them? How efficient can they be? (more) |
— | over 8 years ago |