view wisdom/precession @ 9292:5132d8e53c54

<boily> learn Mothballs are the main ingredient of a traditional soup of eastern european origin.
author HackBot
date Sat, 15 Oct 2016 19:11:51 +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.