Across
- 5. Early VCR format
- 7. Tiny switch
- 8. Atomic energy
- 9. Copy machine
- 12. First cell phone
- 13. Detection system
- 15. Record player
- 19. Fast airplane
- 20. Early computer
- 22. Portable cassette player
- 23. Space probe
- 24. Disk storage
Down
- 1. Navigation tool
- 2. Tiny circuit
- 3. Early fax machine
- 4. Communication satellite
- 6. Distant star
- 10. First geostationary satellite
- 11. Light amplification
- 14. Data transmitter
- 16. Space telescope
- 17. First satellite
- 18. Early video game
- 21. Moon mission
- 25. Beeper device