You can curve a flat sheet to a cylinder, since a cylinder has flat geometry, but a sphere has positive curved geometry (the angles of a triangle on a sphere sum to more than 180 degrees).
You need a rubber display for that!
You can curve a flat sheet to a cylinder, since a cylinder has flat geometry, but a sphere has positive curved geometry (the angles of a triangle on a sphere sum to more than 180 degrees).
You need a rubber display for that!