| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Thu, Feb 27, 2020 | 6D | Quantum mechanics thought experiment in which contradictory states exist simultaneously | Andrew Kingsley and John Lieb | Shortz |
| Fri, Feb 14, 2020 | 4D | Thought experiment in quantum physics | Daniel Larsen | Shortz |