source file: mills3.txt Date: Thu, 29 Jan 1998 18:43:07 +0100 Subject: Re: 60 vs 45 From: Paul Hahn A few related thoughts . . . On Thu, 29 Jan 1998, it was written: > You don't need the tetrahedra to fill space. The lattice fills space > perfectly fine (if you look at the Voronoi cells of the vertices, > they're rhombic dodecahedra, which _do_ fill space); In crystallography this relationship is called "face-centered cubic close-packing" and is quite common. > but instead of > dividing space up into cubes you get alternating tetrahedra and > octahedra. I believe this structure was actually patented by Buckminster Fuller under the name "Octotruss". --pH http://library.wustl.edu/~manynote O /\ "Do you like to gamble, Eddie? -\-\-- o Gamble money on pool games?" NOTE: dehyphenate address to remove spamblock. <*> SMTPOriginator: tuning@eartha.mills.edu From: "Paul H. Erlich" Subject: RE: Tuning of decatonic modes PostedDate: 29-01-98 20:04:12 SendTo: CN=coul1358/OU=AT/O=EZH ReplyTo: tuning@eartha.mills.edu $MessageStorage: 0 $UpdatedBy: CN=notesrv2/OU=Server/O=EZH,CN=coul1358/OU=AT/O=EZH,CN=Manuel op de Coul/OU=AT/O=EZH RouteServers: CN=notesrv2/OU=Server/O=EZH,CN=notesrv1/OU=Server/O=EZH RouteTimes: 29-01-98 20:03:23-29-01-98 20:03:24,29-01-98 20:02:08-29-01-98 20:02:08 DeliveredDate: 29-01-98 20:02:08 Categories: $Revisions: Received: from ns.ezh.nl ([137.174.112.59]) by notesrv2.ezh.nl (Lotus SMTP MTA SMTP v4.6 (462.2 9-3-1997)) with SMTP id C125659B.0068AA33; Thu, 29 Jan 1998 20:03:13 +0100 Received: by ns.ezh.nl; (5.65v3.2/1.3/10May95) id AA01823; Thu, 29 Jan 1998 20:04:12 +0100 Date: Thu, 29 Jan 1998 20:04:12 +0100 Received: from ella.mills.edu by ns (smtpxd); id XA01821 Received: (qmail 5169 invoked from network); 29 Jan 1998 11:03:25 -0800 Received: from localhost (HELO ella.mills.edu) (127.0.0.1) by localhost with SMTP; 29 Jan 1998 11:03:25 -0800 Message-Id: Errors-To: madole@mills.edu Reply-To: tuning@eartha.mills.edu Originator: tuning@eartha.mills.edu Sender: tuning@eartha.mills.edu