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view wisdom/klein bottle @ 10987:93cb36b21ee5
<wob_jonas> `` echo >> wisdom/o
author | HackBot |
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date | Fri, 02 Jun 2017 10:18:51 +0000 |
parents | 3ce8590589fa |
children |
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A Klein bottle is like a torus, but more insidious. Taneb tried to invent it, but got trapped inside.