On this day in Math – August 1, 1767

On this day in Math – August 1, 1767

Courtesy of MAA: Charles Mason and Jeremiah Dixon finished drawing what some describe as “the world’s longest straight line.” Actually two straight lines, it forms parts of the boundaries between the U.S. states of Maryland, Pennsylvania, and Delaware.  More information about: Mason-Dixon Line Image credits – http://www.flickr.com/photos/padraics_travels/