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These are E-Z (Posted on 2018-06-25) Difficulty: 1 of 5
Three problems with one theme:

1) Feynman, when pledging his engineering fraternity, was quizzed: why does a mirror reverse you right to left but not top to bottom?
2) Why is East found to the left on star maps?
3) Since a screw goes into a nut by turning to the right, clockwise (CW, "righty-tighty") should not a nut go into a screw turned to the left, CCW?

See The Solution Submitted by Steven Lord    
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Question Procedure Question | Comment 2 of 6 |
This is a question about how this website works. What happens after someone solves a problem (as Charlie just did for this one)? Does the author somehow change the status to "solved" and also does the author somehow activate the "solution link" to point to the author's own version of the answer? Thanks - SL
  Posted by Steven Lord on 2018-06-26 12:39:04
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