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Messages 255 - 287 of 1613   Oldest  |  < Older  |  Newer >  |  Newest
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255
Check it out. No chord factors. http://groups.msn.com/BuckminsterFuller/shoebox.msnw?action =ShowPhoto&PhotoID=187 or http://makeashorterlink.com/?E67522747 ...
Dick Fischbeck
dick_fischbeck
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Feb 3, 2004
12:19 am
258
I think if you project a 4-D cube onto a space perpendicular to its diagonal you get a rhombic dodecahedron with internal edges and planes that are parallel to...
Alan Michelson
amichelson2002
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Mar 2, 2004
2:28 am
259
I think if you project a 4-D Cross Polytope (Dual with hypercube) onto a space parallel to its opposite cells, you get a dou-tet cube. In fact, with some of...
Alan Michelson
amichelson2002
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Mar 3, 2004
2:27 am
260
Zome is now offering parts by the pound, a great way to add to your kit or to start one. You get a lot more pieces than if you bought a kit. You don't get a...
Dan
polychoron
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Mar 6, 2004
10:46 pm
261
The icosahedron has 5-fold symmetry while the Vector Equilibrium has 4-fold symmetry, but both also have 3-fold symmetry. And do you know why? Because we live...
Alan Michelson
amichelson2002
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Mar 8, 2004
4:50 am
262
... Rotation of a 3-dimensional cube. ... Rotation of the 4-dimensional hypercube. You can get a better view at: http://www.netspace.net.au/~gregegan/ As I...
Alan Michelson
amichelson2002
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Mar 8, 2004
5:00 am
263
I will be displaying some of my fluorescent polyhedra sculptures at a psytrance party this Saturday 3/13. I may have my Zometool kit and plenty of other...
Dan
polychoron
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Mar 10, 2004
7:37 am
264
I believe that the problem is because we can't tessellate regular tetrahedra nor regular pentagonal dodecahedra on this supposedly THREE-DIMENSIONAL realm as...
Alan Michelson
amichelson2002
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Mar 11, 2004
2:19 am
265
See http://www.geocities.com/Area51/Rampart/7931/4DSpace.htm I also noticed http://tetraspace.alkaline.org which is not to be confused with...
Alan Michelson
amichelson2002
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Mar 11, 2004
2:23 am
266
Want to hop on our QuadPods or TetShips and go see the passing of the artifact in http://clowder.net/hop/gofix/artifact.html I heard that the GOFIX will be...
Alan Michelson
amichelson2002
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Mar 11, 2004
2:28 am
267
Hello Polytopians, I will be building a Sierpinski Tetrahedron (a.k.a. Tetrix) with Zome at a store called the Construction Site in Waltham, MA just outside...
Dan
polychoron
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Mar 21, 2004
3:35 am
268
What an awesome group this is! All of the stuff I'm most interested in is here! I'd love to hear any comments about some of the stuff I've put up on my little...
tuvel2002
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Mar 21, 2004
4:46 am
269
You can fill hyperspace with regular pentagonal dodecahedra. You can't fill three-dimensional infinite space [as we know it] with regular pentagonal...
Alan Michelson
amichelson2002
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Mar 21, 2004
6:54 pm
270
I also add http://home.rmci.net/tuvel/Hyper.htm Welcome aboard, tuvel!...
Alan Michelson
amichelson2002
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Mar 21, 2004
7:11 pm
271
<grin> Thanks! Hey, but I took a look at the Hyperdimensional page, and I haven't updated it in aeons! Only one of the three links works! Ah well, I'll be...
tuvel2002
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Mar 22, 2004
4:35 am
272
Hey Tuvel, Welcome to Polytopia, I'm glad you joined. I just looked at your work. I love it, thanks for sharing. Are you on Magnus Wenninger's Polyhedron...
Dan
polychoron
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Mar 22, 2004
7:05 pm
273
Let M_n be a matrix with n*n entries, starting from 1 to n. Define M_n(i,j) = binomial(i+j,j) So M_4 is [b(2,1), b(3,1), b(4,1), b(5,1)] [b(3,2), b(4,2),...
Jon Perry
jon_perryuk
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Mar 22, 2004
9:59 pm
274
Yes -- me! Lots of Zome constructions around my house. Feel free to e- mail me offlist....
Paul Erlich
emotionaljou...
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Mar 23, 2004
1:45 am
276
am recommending my co-worker who paints and is interested in sacred geometry: Tettah Tawiah tettahakt@... happy spring, y'all!! Lori Lollygoa...
LOLLYGOA@...
lollygoa
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Mar 23, 2004
4:09 am
277
Thank you! Hey, no. How do I get on his Magnus mailing list? - tuv...
tuvel2002
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Mar 23, 2004
5:30 am
278
Hey guys! I've been trying to do animations of all the regular 4D Polytopes, you know, 5-Cell, 8-Cell, 16-Cell, 24-Cell, 120-Cell, and the 600-Cell. While, I...
tuvel2002
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Mar 23, 2004
5:48 am
279
... At http://groups.yahoo.com/group/Polytopia/links you will see Regular Polytopes (Platonic solids) in 4D Just point your web browser to ...
Alan Michelson
amichelson2002
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Mar 23, 2004
6:02 pm
280
Dan, The parts were shipped yesterday (Monday,) so they might havve them by Thursday. Paul H....
Paul Hildebrandt
paul@...
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Mar 23, 2004
6:43 pm
281
Hi! I guess I should introduce myself to the group. I'm what they call a "savant"; I'm not especially good at math in any formal sense, or very well educated,...
rfhatfield
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Mar 24, 2004
10:16 pm
282
The dual of the Hexacosichoron is the Hecatonicosachoron. They are big polychora, but they are sure not infinite tessellations! Three-dimensional tessellations...
Alan Michelson
amichelson2002
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Mar 25, 2004
8:20 pm
283
Perfect! Thank you! I was able to generate an animation of the 24-Cell, and I'm working on the 120-Cell now! I still don't have a page organized, but this...
tuvel2002
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Mar 26, 2004
6:29 am
284
... From: Alan Michelson To: Polytopia@yahoogroups.com Sent: Thursday, March 25, 2004 3:19 PM Subject: [Polytopia] Fwd: Re: infinite-sized Polytopes The dual...
J Vincent Beall
vincebeall
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Mar 26, 2004
6:41 am
285
As a matter of fact, all of the notes in my post can be topological considerations. As far as duals are concerned, only the TOPOLOGY matters. How can you...
Alan Michelson
amichelson2002
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Mar 26, 2004
6:58 pm
286
http://mathworld.wolfram.com/Topology.html http://mathworld.wolfram.com/Low-DimensionalTopology.html...
Alan Michelson
amichelson2002
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Mar 26, 2004
7:02 pm
287
In 4-D, duals are formed by joining a point that is in the center of each polyhedron to equivalent points in the centers of all neighboring polyhedra. The new...
Alan Michelson
amichelson2002
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Mar 26, 2004
7:14 pm
Messages 255 - 287 of 1613   Oldest  |  < Older  |  Newer >  |  Newest
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