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video thumbnail 2:21
How to make a Klein Bottle (in three dimensions) - Numberphile

2015-06-24

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video thumbnail 23:21
Hunt for the Elusive 4th Klein Bottle - Numberphile

2015-06-24

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video thumbnail 5:42
Klein Bottles with Cliff (extra footage)

2015-06-24

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uploader channel thumbnailNumberphile2
video thumbnail 5:57
Mobius Bridges and Buildings - Numberphile

2014-04-09

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video thumbnail 11:02
Topology of a Twisted Torus - Numberphile

2014-01-27

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video thumbnail 7:30
Cutting a Klein Bottle in Half - Numberphile

2015-11-11

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video thumbnail 16:41
Super Bottle - Numberphile

2016-12-13

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video thumbnail 4:36
How to make a Klein Bottle from an old pair of jeans - Numberphile

2018-07-04

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video thumbnail 11:43
The 17-Klein Bottle - Numberphile

2020-02-23

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uploader channel thumbnailNumberphile