EXTENSIVE investigations 1 have been carried out on the packing and subsequent stability of randomly packed beds of equal, rigid spheres. It was of specific interest, therefore, to obtain precise ...

Packing spheres, Reversi, braids, polyominoes, board games, and the puzzles of Lewis Carroll. These and other mathematical diversions return to readers with updates to all the chapters, including new ...

Hexagonal close packing is one of two crystal structures that derive from stacking close-packed-planes of hard sphere atoms. In the HCP structure only two stacking ...