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 of equal size without crossing it. In one dimension, the kissing number is two. In two dimensions it’s 6 (think the New York Times’spelling bee puzzle configuration). As the number of dimensions grows, the answer becomes less obvious: For most dimensionalities over 4, only upper…
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https://spectrum.ieee.org/deepmind-alphaevolve
