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:
“In general, one may pronounce kissing dangerous. A spark of fire has often been struck out of the collision of lips, that has blown up the whole magazine of virtue.”
—Anonymous, U.S. women’s magazine contributor. Weekly Visitor or Ladies Miscellany, p. 203 (April 1803)
“[The] elderly and timid single gentleman in Paris ... never drove down the Champs Elysees without expecting an accident, and commonly witnessing one; or found himself in the neighborhood of an official without calculating the chances of a bomb. So long as the rates of progress held good, these bombs would double in force and number every ten years.”
—Henry Brooks Adams (1838–1918)