“Mathematical Lens” uses photographs as a springboard for mathematical inquiry and appears in every issue of the Mathematics Teacher. All submissions should be sent to the department editors. For more background information on “Mathematical Lens” and guidelines for submitting a photograph and questions, please visit http://www.nctm.org/publications/content.aspx?id=10440#lens.
Doug Wilcock, email@example.com, recently retired as a mathematics and economics teacher at Cape Cod Academy in Osterville, Massachusetts. He continues to be interested in finding and sharing useful and interesting mathematics in the world around us.