Seifert surface in crochet
Posted in Crochet, English, Hands-on math & science, Math on March 19, 2007 | 4 Comments »
As I mentioned in a comment to the post on the 3-4-5, my latest project in crochet is a so-called Seifert surface, a surface with a knot as its edge.
I came up with the idea from a picture of the Seifert surface of a trefoil I found here. A Moebius strip is another example of [...]
