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comment by veen
veen  ·  3201 days ago  ·  link  ·    ·  parent  ·  post: Numberphile: The man with 1,000 Klein Bottles UNDER his house

Enjoy:





user-inactivated  ·  3200 days ago  ·  link  ·  

Yeah, I saw that. I'm subscribed to all of the Brady-run channels.