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2. Sphere packing - Wikipedia

   en.wikipedia.org/wiki/Sphere_packing

   Sphere packing finds practical application in the stacking of cannonballs. In geometry, a sphere packing is an arrangement of non-overlapping spheres within a containing space. The spheres considered are usually all of identical size, and the space is usually three- dimensional Euclidean space. However, sphere packing problems can be ...

3. Klerksdorp sphere - Wikipedia

   en.wikipedia.org/wiki/Klerksdorp_sphere

   A Klerksdorp sphere. It is 3 to 4 centimetres (1.2 to 1.6 in) in maximum diameter and 2.5 centimetres (0.98 in) in thickness. Klerksdorp spheres are small objects, often spherical to disc-shaped, that have been collected by miners and rockhounds from 3-billion-year-old pyrophyllite deposits mined by Wonderstone Ltd., near Ottosdal, South Africa.

4. Spherical cap - Wikipedia

   en.wikipedia.org/wiki/Spherical_cap

   An example of a spherical cap in blue (and another in red) In geometry, a spherical cap or spherical dome is a portion of a sphere or of a ball cut off by a plane. It is also a spherical segment of one base, i.e., bounded by a single plane. If the plane passes through the center of the sphere (forming a great circle), so that the height of the ...

5. Sphere - Wikipedia

   en.wikipedia.org/wiki/Sphere

   The set of all spheres satisfying this equation is called a pencil of spheres determined by the original two spheres. In this definition a sphere is allowed to be a plane (infinite radius, center at infinity) and if both the original spheres are planes then all the spheres of the pencil are planes, otherwise there is only one plane (the radical ...

6. Bronze statue of John Lewis replaces more than 100-year-old ...

   www.aol.com/news/bronze-statue-john-lewis...

   A large bronze statue of the late civil rights icon leader and Georgia congressman John Lewis was installed Friday, at the very spot where a contentious monument to the confederacy stood for more ...

7. Ezra Frech wins more gold; US 400m runners finish 1-2 again

   www.aol.com/ezra-frech-wins-more-gold-222829833.html

   It was clear when the race started that it would be another battle between the two American sprinters as Blackwell once again crossed first with a world-record-tying-time of 48.49 seconds.