Example image of eyePlorer eyePlorer map for 'Closed surface': Closed manifold Connected component Manifold Mathematics Klein bottle Sphere Torus Genus (mathematics) Orientability Cylinder (geometry) Disk (mathematics) Möbius strip Planar lamina Gauss's law Systoles of surfaces Willmore energy Capacity of a set Gaussian surface Triple torus Yamabe invariant Gauss's law for magnetism Differential geometry of surfaces Magnetic flux Gaussian curvature Introduction to systolic geometry Surface