A sphere is a three-dimensional version of a circle, with all points on its surface being equidistant from the center. A sphere is also composed of a circumference, tangent, and chord, as well as ...

Dolan, son of Cablevision founder Charles Dolan, is behind the Sphere, an orb-shaped arena in Las Vegas composed of a video screen shell. The Sphere cost $2.3bn to construct. It opened last year ...

The small Icelandic island of Grímsey is trying to mark its place on the border of the ever-shifting Arctic Circle. And to do this they are using a 17,600-pound concrete sphere that will be ...

But earlier examples failed to complete the circle—Gill’s team wanted to go further. “We said, ‘If we’re going to do that, let’s do a true sphere,’” Gill recounted.