Across
- 2. someone who protects a place or person
- 4. pointing upward
- 6. someone who manages robots or machines using computers
- 8. someone who protects people on the Internet from cybercrime
Down
- 1. someone who assists doctors in nanotech-surgery
- 3. someone who works on farms on skyscrapers
- 5. the science of making and using extremely small machines
- 7. done, seen, etc. on the Internet or on a computer, rather than in the real world