links for 2010-03-02 Posted on March 2, 2010 By Joe No Comments on links for 2010-03-02 Deliciousness Mathematical Balloon Twisting Balloons are a great hands-on way to play with mathematical models! This page contains instructions for twisting your own. (tags: balloons party.tricks math shapes) Makers Market: Golden Mean Calipers Beautiful handmade "Golden Mean" calipers (tags: tools gift.stacey gift.joe)