Across
- 3. Relativity equation's energy-mass link
- 5. Formula CO2
- 7. Convention vow that aged poorly
- 9. Moonwalk era
- 12. Nickname from the Gipper's era
- 13. 1980s trickle-down economics advocate's doctrine
- 14. Double helix
- 15. Force maker: mass x acceleration
Down
- 1. Everybody knows your name
- 2. 1980s video game
- 4. King's ransom
- 6. Split in fission
- 8. Planet with rings, gas giant
- 10. Heard in Berlin
- 11. Educated guess