What is a Knot? - Numberphile

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Colouring Knots - Numberphile

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Un objet de dimension 1,58 - Numberphile

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The Topological Problem with Voting

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Hat Problems - Numberphile

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The Insane Math Of Knot Theory

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Go First Dice - Numberphile

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Colouring Knots (extra) - Numberphile

32:40