Activity for SapphireFlameâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
Ways for advanced civilizations to mask communications on an interstellar / intergalactic scale Say we have a civilization on the verge of becoming Type II, and are in the process of building a Dyson Sphere. They are aware that in the process, and especially after completion, there will be telltale signatures of this construction process to anyone observing the stars in their general vicinity, ... (more) |
— | almost 5 years ago |