Across
- 4. Thermal-Massing
- 8. Ram-Jet
- 9. RQ-2-Processor
- 10. Steam Engine
- 11. Mars-Rovers
- 14. Hydraulic-Fracturing
- 17. Modern-Air-Conditioning
- 18. Internet-of-Things
- 20. They drive the invention process
- 23. X-Ray-Tubes
- 25. Radio
- 26. Laser-Optics
Down
- 1. C-Programming-Language
- 2. Wind-Turbines
- 3. Recombinant-DNA
- 5. Dynamite
- 6. Biofuel
- 7. Assembly-Line
- 12. Aqua-Lung
- 13. Electric-Starter-Motor
- 15. Autofocus-Camera
- 16. Artificial-Intelligence
- 19. Outer-Aileron-Yaw-Damper
- 21. Nuclear-Power-Reactors
- 22. Microprocessing
- 24. UHT-Processing