| Clue | Source | Date |
|---|---|---|
| Sci-fi anomalies | LA Times Daily | 15 Apr 2023 |
| Passages in sci-fi books | The Washington Post Sunday | 29 Aug 2021 |
| Sci-fi travel facilitators | Premier Sunday | 14 Oct 2018 |
| Sci-fi phenomena for space travelers | ||
| Sci-fi travel conveniences | ||
| Sci-fi travel conveniences |