How do impulse engines work?

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Tags

1. #deuterium
2. #ships
3. #fusion
4. #travel
5. #propulsion
6. #starships
7. #interplanetary
8. #engines
9. #readily
10. #drive
11. #fictional
12. #universe
13. #impulse
14. #speed
15. #typically
16. #other
17. #distances
18. #spacecraft
19. #reactors
20. #powered
21. #below
22. #method
23. #light
24. #travelling