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view wisdom/precession @ 7072:53e47c85558e
<oerjan> learn optional.
author | HackBot |
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date | Thu, 03 Mar 2016 00:05:00 +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.