There’s a mathematical concept called the ‘kissing number.’ Somewhat disappointingly, it’s got nothing to do with actual kissing; It enumerates how many spheres can touch (or ‘kiss’) a single sphere ...

Some questions in this study have full solutions, while some simple ones leave us stumped, like the Kissing Number Problem. When a bunch of spheres are packed in some region, each sphere has a Kissing ...

Breaking a 20 year drought, a researcher found three new bounds for the famous mathematical ‘kissing number’ dilemma –– and AI managed to find just one. How many coins can touch one coin, or how many ...