I was reminded of it when I saw this animation of a von Kármán vortex street downwind of Madeira Island on the CIMSS Satellite Blog.
More about vortex streets and the sweater:
I've been packing books and files this week. The boxes are getting too heavy for me to handle. Do you think that it would be okay to lighten the boxes by mixing books with yarn and sweaters?
Well, I would say yes, as I did that very thing. Yarn squishes well too, nicely filling the gaps between books.
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