New posts in Spheres

Intersection of perpendicular chords: is this true for a sphere?

(practical) Codes from sphere packings

How to find the distance along a sphere from an angle?

Does an analogue of the sphere theorem hold in higher dimensions?

Why is the euler characteristic of a sphere 2?

What does "surface area of a sphere" actually mean (in terms of elementary school mathematics)?

Can you make a sphere out of a plane?

Sphere inside of a Sphere

Does it make sense to compare 'area' of hyper-sphere of different dimensions?

Can the Fibonacci lattice be extended to dimensions higher than 3?