Across
- 4. How long it takes light to travel one foot. (10)
- 6. Like a spinning door (9)
- 8. A matrix operation, or a musical one? (9)
- 9. A reaction that takes heat in (11)
- 11. After inhale (6)
- 12. North North America (6)
Down
- 1. "Endowed by their creator with certain unalienable..." (6)
- 2. Ruy Lopez, King's Gambit, and Queens' Gambit are all this? (8)
- 3. How to get distance from velocity? (9)
- 5. Somehow not the capital of Turkey (8
- 7. A fatty fruit you might find in Italy? (5)
- 10. The woman in charge (9)