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view wisdom/klein bottle @ 9240:27948eaa64fc
<boily> ` sed -i \'s/\\./\xe2\x81\xb8./\' wisdom/footnote\\ 1
author | HackBot |
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date | Wed, 12 Oct 2016 10:52:52 +0000 |
parents | 3ce8590589fa |
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A Klein bottle is like a torus, but more insidious. Taneb tried to invent it, but got trapped inside.