How does a prism work?

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Tags

1. #angles
2. #colors
3. #refracted
4. #example
5. #similar
6. #different
7. #glass
8. #prism
9. #effect
10. #leave
11. #another
12. #rainbow
13. #speed
14. #light
15. #creating
16. #moves
17. #causes
18. #changes
19. #medium
20. #differently