general tech

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Across
  1. 1. System that shows your exact location on Earth
  2. 4. Device that measures and shows time
  3. 7. Device that produces artificial light
  4. 11. Medical invention that prevents disease
  5. 12. System used to organize days, months, and years
  6. 13. Early technology used for heat, light, and cooking
  7. 15. Technology that lets doctors see inside the body
Down
  1. 2. Artificial replacement for a missing limb
  2. 3. Invention that made transport easier
  3. 5. Handheld device used for communication and apps
  4. 6. Technology that creates a digital, immersive world
  5. 8. Object that stores electrical energy
  6. 9. Tool used to find direction
  7. 10. Medium of exchange used for buying and selling
  8. 14. Machine that converts energy into movement