SciFi inspiration vs what was made

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Across
  1. 2. Stun gun made by NASA
  2. 6. wearing goggles to go into a digital world
  3. 9. Simon Lake had been captivated by the idea of undersea travel and exploration
  4. 10. Vehicle that can ride in the sky
  5. 11. Liked the idea of flying, lighter than air
Down
  1. 1. Shock the heart to make it beat
  2. 3. Karel Capek, imagined the existence of sentient robots
  3. 4. Seashells in Fahrenheit 451
  4. 5. Made by inspiration of a star track technologies
  5. 7. A two way face watch
  6. 8. novel “Dune” envisions a tiny “hunter seeker” assassin flying
  7. 12. metal servants able to take commands from humans