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advent calendar 2010

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Plus Advent Calendar Door #11: Ding-dong

Bells can do a lot more than just jingle! In fact, being a decent bell ringer requires razor-sharp mathematical precision and a vast memory. And just 16 bells are enough to provide your neighbours with over a million years of non-repeating bellish amusement.

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Plus Advent Calendar Door #8: Mathematical mysteries

How does Santa manage to squeeze through chimneys? How do reindeers manage to fly? When will I get the Christmas shopping done? These things are mysteries, so in keeping with the mood, Door 8 opens on some of our favourite mysteries from the world of maths.

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Plus Advent Calendar Door #2: Symmetry

When you saw us outside building snow-mathematicians and throwing snowballs we weren't just larking about, honestly! We were actually conducting in-depth research into symmetry and trajectories — and here our results, behind door number 2...