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:
“Then, with eyes that saw not, I kissed her;
And she, kissing back, could not know
That my kiss was given to her sister,
Folded close under deepening snow.”
—James Russell Lowell (1819–1891)
“States strong enough to do good are but few.
Their number would seem limited to three.”
—Robert Frost (1874–1963)