The 6 corners (or vertices) of a regular octohedron are equally spaced on a sphere. The measle ball dots must be the vertices of a regular octohedron. Here are some links on the geometry:
https://study.com/academy/lesson/octahedron-definition-properties.html...
This subject is more complicated than most of these answers have suggested. It is pretty well understood by serious practitioners of the billiards arts. For a good introduction see the links at this website: http://billiards.colostate.edu/threads/squirt.html. Basically there are a number of...
Physicists play important roles in all sorts of technological endeavors. Most technology projects have all sorts of engineers in a team. When a problem occurs, there are usually multiple solutions that can solve the problem. Each discipline will push for a solution that uses their particular...