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view wisdom/precession @ 9533:d268dc4f4e57
<shachaf> undo 9517
author | HackBot |
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date | Sun, 30 Oct 2016 10:21:00 +0000 |
parents | 0da4dd93de2e |
children |
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Precession is the opposite of succession. It is the joy of children and the curse of first year physics students.