Crossword

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Across
  1. 2. the person in charge of a study
  2. 3. to cause an alarm to ring
  3. 5. to fail, to hit
  4. 8. something that is real and actually exists, reality
  5. 13. a talk delivered before an audience or a class
  6. 14. one who's addicted to something
  7. 15. a theoretical apparatus that would convey one to the past or future
  8. 18. the branch of knowledge that applies science and engineering to practical uses
  9. 21. incentive
  10. 22. pertaining to technology
  11. 23. injury or damage
  12. 24. the act of exposing or the state of being exposed
  13. 25. evidence or facts sufficient to establish something as true
Down
  1. 1. to cause to, to take or have origin
  2. 4. a public display of artistic works or products
  3. 6. a machine for sewing or making stitches
  4. 7. the action of arousing excitement
  5. 9. well-founded
  6. 10. a machine where you can buy small articles with coins
  7. 11. to gain unauthorised and illegal entry to a computer
  8. 12. joined, associated or related
  9. 16. to lay open to danger, attack or harm
  10. 17. a section of which a course of study is divided
  11. 19. to bring into existence
  12. 20. to connect something to a machine