Ditching the Fifth Axiom - Numberphile
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11:49
Fifth Axiom (extra footage) - Numberphile
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7:17
L'Histoire de la géométrie non euclidienne - Géométrie sacrée - Extra History - #1
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16:51
Euclid's Big Problem - Numberphile
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12:42
We (could) live on a 4D Pringle (Non-Euclidean Geometry and the shape of the Universe)
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15:31
The Reciprocals of Primes - Numberphile
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9:55
58 and other Confusing Numbers - Numberphile
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9:20
Les géométries non-euclidiennes | Voyages au pays des maths | ARTE
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10:47