Klein Bottles - Numberphile on HackerTube: recommended by 1 Hacker News commenter across 1 month, 2015–2022.
interview · evergreen
Numberphile interviews Cliff Stoll about Klein bottles, the one-sided surfaces with no inside or outside. Stoll explains them with characteristic enthusiasm and shows off his collection.
HN likes it for Cliff Stoll's infectious passion for topology, and it gets linked in threads about him and about Mobius strips.
“This guys passion for Mobius Strips is infectious.”
3 Hacker News comments link this video. Each one links back to its thread.
If anyone is talking about Mobius Strips then Cliff Stoll MUST be mentioned. This guys passion for Mobius Strips is infectious. ▶ this video Also he was one of the first system admins to actually catch a hacker who was using his server in Germany in 1989. [link]
in “The Hidden Twist to Making a Möbius Strip” · View on HN
Interesting, didn’t realize that’s Cliff. - Related Numberphile: ▶ this video - Direct link to his Klein bottle website: [link]
in “Cybersecurity in 1989: Looking back at “The Cuckoo's Egg” (2015)” · View on HN
Yes, in the video I'm talking about ▶ this video he says that a bootle has an edge (~3'40). A sphere does not have an "inner surface", it has just one surface. So does a potato. If you go from sphere to potato to bowl, when does an edge appear and does it have to appear, is my question.
in “The man with 1,000 klein bottles under his house [video]” · View on HN