| Clue | Source | Date |
|---|---|---|
| Enterprise mover | Wall Street Journal | 13 Nov 2023 |
| Sci-fi tech for superfast travel | USA Today | 10 Oct 2023 |
| Speedy sci-fi technology | New York Times | 07 Jan 2022 |
| Theoretical spacecraft system, and a hint to the starred answers' indicated letters | Universal | 10 Apr 2020 |