This post was part of the Chalkdust 2016 Advent Calendar.
Today is the final day of the Chalkdust advent calendar.
More from Chalkdust
- Penguins, prison and PDE patterns feature in our Spring 2023 issue. Plus all your favourite puzzles & columns.
- Canines, Cliff Richard and conditioning find their way into the prof's postbox this issue.
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- Just answer these EIGHT simple questions!
- The best and worst from this year's Met Gala
- Fashion is fleeting, Chalkdust regulars are not.