advent calendar 2016

Plus Advent Calendar Door #24: Twelve minutes of Christmas

Plus Advent Calendar Door #23: Navigation

Plus Advent Calendar Door #22: What's the problem with quantum gravity?

Plus Advent Calendar Door #21: Combinatorics

Plus Advent Calendar Door #20: Osculating the curve

Plus Advent Calendar Door #18: Levers

Plus Advent Calendar Door #17: Euclid's fourth axiom

Plus Advent Calendar Door #16: Watch your units

Plus Advent Calendar Door #15: Euclid's axioms

Plus Advent Calendar Door #14: What's average?

Plus Advent Calendar Door #13: Groups

Plus Advent Calendar Door #12: Bayes' theorem

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