How To: Knit a Möbius scarf

Learn about math and knitting at the same time, in this video video about making a scarf based on the Möbius strip discovered by German mathematician August Ferdinand Möbius in the 19th century. Popularized by the work of artist M.C. Escher, the Möbius strip is a curious shape that folds back on itself. It makes for an unusual and eye-catching scarf design.