This is a preview. Log in through your library . Abstract In this paper we present a solution to the Fall 2011 PME Journal Problem Number 1245, prepared by Stan Rabinowitz. This problem asks whether ...
Mathematicians are “reinventing the wheel” by giving it a new shape. Their newly imagined wheel looks like a many-dimensional guitar pick, and it could theoretically roll in ways beyond our ...
Have you ever wondered why the cover of a manhole is nearly always round? Why isn’t it oval or square? Reuleaux curve based on an equilateral triangle. Reuleaux curves based on the pentagon (top) and ...