What is a Tesseract in interstellar?

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Tags

1. #means
2. #action
3. #structure
4. #gravity
5. #future
6. #tesseract
7. #dimensions
8. #every
9. #cooper
10. #through
11. #opposed
12. #cubic
13. #present
14. #express
15. #hyper
16. #perceive
17. #enormous
18. #communication
19. #moment
20. #beings