Why is it called black box?

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Tags

1. #prevent
2. #workings
3. #output
4. #complex
5. #after
6. #boxes
7. #black
8. #painted
9. #crash
10. #reflection
11. #first
12. #because
13. #general
14. #often
15. #devices
16. #charred
17. #internal
18. #science