A ribbon "test" is a way of finding a geodesic on a physical surface.Michael Stevens (Nov 2, 2017), . The idea is to fit a bit of paper around a straight line (a ribbon) onto a curved surface as closely as possible without stretching or squishing the ribbon (without changing its internal geometry).
A ribbon "test" is a way of finding a geodesic on a physical surface.Michael Stevens (Nov 2, 2017), . The idea is to fit a bit of paper around a straight line (a ribbon) onto a curved surface as closely as possible without stretching or squishing the ribbon (without changing its internal geometry).