... Exactly! The dual of the hyperdodecahedron (a.k.a. 120-cell) is the hypericosahedron (a.k.a. 600-cell) Look at the numbers of each facet- Hyperdodecahedron...
1507
Alan Michelson
a.michelson
May 14, 2007 1:55 am
... No, it's 720 edges [Eager, Eager]...
1508
dar kone
zarkorgon
May 15, 2007 9:54 pm
Hey folks, does anyone know if the following exists somewhere on line? Rotatable animation (preferably something like a jave applet or similiar), that has two...
1509
Bruce Rawles
bruce1618r
May 15, 2007 10:15 pm
Perhaps not exactly what you're looking for, but maybe this will help... If you're not in a hurry (a bit busy this week), I could create an updated version of...
1510
dar kone
zarkorgon
May 16, 2007 9:16 am
Bruce, thanks for the reply and great site by the way! No hurry, would love to see more of your work! Bruce Rawles <bruce@...> wrote: Perhaps not...
1511
Alan Michelson
a.michelson
May 16, 2007 5:40 pm
... help... ... <http://www.geometrycode.com/animations/index.shtml> If you are interested in Clockwise and Counter-clockwise rotations superimposed...
1512
dar kone
zarkorgon
May 17, 2007 4:59 am
very cool! how about doing various transforms on the tetra such as deformations etc? what would be awesome would be an interactive tetra wire frame that you...
1513
Alan Michelson
a.michelson
May 17, 2007 5:06 pm
... deformations etc? Yes, try going to http://tech.groups.yahoo.com/group/Polytopia/files/Star-of-David.gif ...
1514
John H. Chalmers
jhchalme
May 19, 2007 5:19 pm
Arrays of regular tetrahedrons do not fill Euclidean space completely-- they leave octahedral holes, though they may in Hyperbolic 3-D space. I'd have to find...
1515
Alan Michelson
a.michelson
May 19, 2007 7:02 pm
... completely-- ... Not necessarily hyperbolic space — for example: * {3,3,3} — Three tetrahedrons around edge — Pentatope * {3,3,4} — Four...
1516
John H. Chalmers
jhchalme
May 19, 2007 7:33 pm
Alan: Thanks for the information. I was thinking of 3-D space at the time, not 4-D. I located my copies of Regular Polytopes and Regular Convex Polytopes, and...
1517
Alan Michelson
a.michelson
May 22, 2007 8:07 pm
... But see the: * http://en.wikipedia.org/wiki/List_of_regular_polytopes#Apeirotopes <http://en.wikipedia.org/wiki/List_of_regular_polytopes#Apeirotopes> * ...
1518
John H. Chalmers
jhchalme
May 22, 2007 10:01 pm
Thanks, I'm swamped today, but I'll look at these as soon as I can. --John -- No virus found in this outgoing message. Checked by AVG Free Edition. Version:...
1519
Alan Michelson
a.michelson
May 24, 2007 6:58 pm
The pyramid structure would be composed of 55 smaller pyramids stacked five high. This is similar to the cannonball pyramids of the Amazing Race. (All text is...
1520
Summer Twain
yonibluestar
May 25, 2007 6:08 pm
Millennium Twain wrote in: http://www.ojaipost .com/2007/ 05/queen_ the_movie_ diana_the_dram.shtml Is 'She', Elder, Woman, Queen Elizabeth II, more than...
1521
Alan Michelson
a.michelson
May 31, 2007 5:41 pm
... That's called the Small rhombitrihexagonal tiling <http://en.wikipedia.org/wiki/Small_rhombitrihexagonal_tiling> — its dual is the Deltoidal...
1522
Bruce Rawles
bruce1618r
May 31, 2007 5:50 pm
Great wiki link; thanks! ...I also have full-page (8.5" x 11") templates for all the regular polygon tilings (and MUCH more, tilings and otherwise) in my book,...
1523
Adrian Rossiter
adrianrossiter
May 31, 2007 6:19 pm
Hi Alan ... Also, you wouldn't be able to tile a one-sided surface with it if it was chiral http://www.freewebtown.com/adrian/tmp/ut_align02b.jpg ...
1524
Alan Michelson
a.michelson
May 31, 2007 7:44 pm
... either! ... I can see that it is not chiral, however the pattern would have to be aligned with the lines of symmetry that don't pass through the squares ...
1525
John Berglund
anisohedral
Jun 1, 2007 1:18 am
Snubbing will usually produce left hand and right hand versions. But if we snub something that is its own dual, snubbing will only produce one version. In the...
1526
Adrian Rossiter
adrianrossiter
Jun 4, 2007 9:15 am
Hi John ... I followed up my original post with some reasoning for why this would be the case http://tech.groups.yahoo.com/group/Polytopia/message/1274 Adrian....
1527
Alan Michelson
a.michelson
Jun 19, 2007 7:46 pm
Adrian Rossiter has the right idea: http://www.freewebtown.com/adrian/misc/anim_hc01.gif <http://www.freewebtown.com/adrian/misc/anim_hc01.gif> ... ...
1528
Alan Michelson
a.michelson
Jun 23, 2007 12:47 am
Math is turning bad <http://www.batkhela.com/jokes/show/math_is_turning_bad/352/>...
1529
Alan Michelson
a.michelson
Jun 27, 2007 12:28 am
Weapons of Math Instruction <http://www.pen.k12.va.us/Div/Winchester/jhhs/math/humor/mathweap.html>...
1530
Phil S
rebitnic
Jun 27, 2007 5:54 pm
Hello, This is just two funny, the one who thought this up should get a medal. It's very to see how others think.!!!. Stay - Safe. Phil. Austin,Tx Alan...
1531
Harold
vwbiofuels
Jul 2, 2007 3:36 am
Hello I am new, and this seems like a very tech oriented site. I may be here by mistake.? I am trying to find a set of hubs for a simple four frequency...
1532
Alan Michelson
a.michelson
Jul 2, 2007 5:19 am
You can try the TekKit <http://www.tekstaronline.com/products/tekkit_body.html> and TekCAD <http://www.tekstaronline.com/products/tekcad.html> models. ... ...
1533
Boston Math
boston_math
Jul 6, 2007 1:25 am
Hello, I had a question in numerical analysis. Any suggestions are greatly appreciated. (1) Given F(x) = 0, numerically find the roots. Essentially, split an...
1534
Harold
vwbiofuels
Jul 23, 2007 8:51 pm
Hey all, I have been working on a 6v geodesic dome design that requires only six strut lengths. (Based on the icosahedron) Using this theory; any frequency...
1535
allenlubow@...
phi16
Jul 24, 2007 1:51 pm
Harold, Check out this site: http://www.desertdomes.com/rev4calc.html Your information is incorrect. There are nine lengths of struts in a 6v dome or sphere....
