A new book by Margaret and Christine Wertheim shows how art and math can go hand-in-hand in an explosion of colorful crocheted coral reefs. Margaret Wertheim in the Föhr Reef, Museum Kunst der ...
Using yarn and two pointy needles (knitting) or one narrow hook (crochet), pretty much anyone can stitch up a piece of fabric. Or, you can take the whole yarncraft thing light-years further to ...