Activity for if9y4dâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
Plausible propulsion methods given a virtually infinite electric power source Humanity discovered a new energy source, virtually infinite, that can produce gigawatts of electric power using devices of few kilograms. Land and sea transport obviously will switch to electric motors without major changes, but what about air and space transport? What are plausible propulsion meth... (more) |
— | over 4 years ago |