Kissing Number
If a 3-sphere is inscribed in each hypercell of this tessellation, the resulting arrangement is the densest possible regular sphere packing in four dimensions, with the kissing number 24. The packing density of this arrangement is
Read more about this topic: 24-cell Honeycomb
Famous quotes containing the words kissing and/or number:
“Love, love, love—all the wretched cant of it, masking egotism, lust, masochism, fantasy under a mythology of sentimental postures, a welter of self-induced miseries and joys, blinding and masking the essential personalities in the frozen gestures of courtship, in the kissing and the dating and the desire, the compliments and the quarrels which vivify its barrenness.”
—Germaine Greer (b. 1939)
“If we remembered everything, we should on most occasions be as ill off as if we remembered nothing. It would take us as long to recall a space of time as it took the original time to elapse, and we should never get ahead with our thinking. All recollected times undergo, accordingly, what M. Ribot calls foreshortening; and this foreshortening is due to the omission of an enormous number of facts which filled them.”
—William James (1842–1910)