What is string theory in layman's terms?

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Tags

1. #einstein
2. #attempts
3. #interactions
4. #sought
5. #mechanics
6. #gravitation
7. #single
8. #model
9. #force
10. #explain
11. #universe
12. #strong
13. #nuclear
14. #theory
15. #string
16. #unified
17. #electromagnetism
18. #together
19. #known
20. #field
21. #fundamental