Lovely illustration of Theorema Egregium, though a very verbose way of saying that the Gauss curvature is preserved by local isometries. https://www.youtube.com/watch?v=gi-TBlh44gY
Lovely illustration of Theorema Egregium, though a very verbose way of saying that the Gauss curvature is preserved by local isometries. https://www.youtube.com/watch?v=gi-TBlh44gY