Activity for Timo
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
What engines would an airborne vehicle use in a setting <200 years in the future? In a setting The vehicles should only travel inside the planets atmosphere, if at all only planes and jets should be able travel outside of it and go to space but not interplanetary-space. Could If it would be a new engine, what kind of fuel would it be using? (more) |
— | over 9 years ago |