How to Crochet a Coral Reef – and Why – Scientific American

Evolution of a hyperbolic pseudosphere in crochet (by Cheryl, CC BY-SA 2.0 DEED via Flickr).

In 2005, Los Angeles-based twin sisters, Margaret and Christine Wertheim tried a different approach to communications by starting the Crochet Coral Reef project. The idea was born from their love of the Great Barrier Reef, their oceanic neighbor, and their appreciation for handiwork and the community it can create, simply by participation…