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  • Members: 410
  • Category: Geometry
  • Founded: Dec 10, 2001
  • Language: English
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Messages 1642 - 1671 of 1736   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand Author Sort by Date ^
1642 Alan M
a.michelson Send Email
Jul 24, 2010
4:38 am
... "These six elementary colors are frequently chosen to paint educational toys, or for designs that try to appeal from their simplicity (such as the Olympic...
1643 danradin Send Email Oct 2, 2010
12:56 am
Come visit my new Platonic Solids facebook page at: http://www.facebook.com/pages/PlatonicSolids/158392277523641...
1644 Alan Michelson
a.michelson Send Email
Oct 16, 2010
11:40 pm
Tetraxis magnetic geometry puzzle This uses the same four colors based on the Natural Color System. Thanks to Jane of synergeo for this one! This one might be...
1645 Alan M
a.michelson Send Email
Oct 17, 2010
12:17 am
... It might also be based on the rhombic dodecahedron. Those 4-color pyramidal dents might be the dents of the rhombic dodecahedron rather than of the regular...
1646 Adrian Rossiter
adrianrossiter Send Email
Oct 20, 2010
10:21 am
Hi Alan ... There is a wooden version of the puzzle here http://www.johnrausch.com/PuzzleWorld/puz/augmented_second_stellation.htm (And a similar icosahedral...
1647 Jane
jjkostick Send Email
Oct 20, 2010
12:40 pm
It's based on the rhombic dodecahedron. I will soon post on www.tetraxis.com a link to a youtube video called "Tetraxis Geometry". The rhombic dodecahedron...
1648 Adrian Rossiter
adrianrossiter Send Email
Oct 20, 2010
2:03 pm
Hi Jane ... Nice models and puzzles. There are also some models and discussion of the arrangement in Alan Holden's Shapes, Space and Symmetry from 1971 (pages ...
1649 Alan M
a.michelson Send Email
Oct 21, 2010
1:15 am
... rather ... of ... cuboctahedron ... http://www.johnrausch.com/PuzzleWorld/puz/augmented_second_stellation.ht\ m ...
1650 jennifer kurtz
jenniyoungkurtz Send Email
Oct 21, 2010
1:50 am
These are amazing....thanks for sharing.   Peace~ Jenn ... From: Alan M <amichelson2002@...> Subject: [Polytopia] Re: Tetraxis magnetic geometry puzzle ...
1651 Jane
jjkostick Send Email
Oct 21, 2010
9:34 am
The video illustrating the geometry of the Tetraxis is now up on YouTube...here&#39;s the link: http://www.youtube.com/watch?v=WnkyOTtBij8 The video was created by...
1652 Adrian Rossiter
adrianrossiter Send Email
Oct 21, 2010
12:20 pm
Hi Jane ... I like the video, it explains how everything fits together very well. There is a point in the video where the rhombic dodecahedra are shown in...
1653 roopak vaidya
roopak.vaidya Send Email
Oct 21, 2010
11:05 pm
Brilliant stuff! ________________________________ From: Adrian Rossiter <adrian_r@...> To: Polytopia@yahoogroups.com Sent: Thu, 21 October, 2010...
1654 Alan M
a.michelson Send Email
Oct 22, 2010
1:19 am
You're just treating each rhombic dodecahedron as if it were a jitterbugging square:...
1655 Alan M
a.michelson Send Email
Oct 22, 2010
3:22 am
... <http://www.youtube.com/watch?v=WnkyOTtBij8> Take a rhombic dodecahedron. Add more rhombic dodecahedra on the 4-fold vertices so that they are along the...
1656 Alan M
a.michelson Send Email
Nov 6, 2010
4:51 am
http://groups.yahoo.com/group/synergeo/messages/63530?threaded=1&m=e&tidx=1...
1657 gnostradamus Send Email Nov 14, 2010
3:20 am
Hello, I have made a few short clips on the nature of three spheres interacting which you may find of use (for illustrative purposes) or interesting. ...
1658 cdsgraphics1952 Send Email Jan 21, 2011
4:01 am
greetings fellow Polytopians I cant seem to find it or remember what it was called, but someone here posted a table of all the polyhedron formulas such as the...
1659 BruceRawles
bruce1618r Send Email
Jan 21, 2011
2:53 pm
... Hi all: Some pertinent info for the Platonic and Archimedean Solids here: http://www.geometrycode.com/sg/polyhedra.shtml (with links to all the fold-up...
1660 cdsgraphics1952 Send Email Jan 21, 2011
3:19 pm
thanks for that resource. I've Bookmarked it for examination later. The one previously posted (here?)had the actual formula expressions that caluulate the...
1661 cdsgraphics1952 Send Email Jan 21, 2011
3:27 pm
actually I found it here just now in Files > Polyhedra_Dimensions as separate files... I thought I was looking for a Table that had all of them in one But this...
1662 Vickie Gammill
vickiegammill Send Email
Feb 12, 2011
6:33 am
http://troupesdad.com/rml3.html...
1663 Miguel
detonacciones Send Email
Feb 12, 2011
10:03 am
Polytopia Group Participants, A new book has just been released by Foundation Encyclopedia Dialectica [F.E.D.], entitled -- A Dialectical "Theory of...
1664 foresthrt Send Email Apr 5, 2011
1:26 pm
I am curating an art exhibit in Berkeley Springs WV Nov-Dec. 2011 (opening 11-11-11) and am in search of diverse artwork that resonates with the rare alignment...
1665 Miguel
detonacciones Send Email
Apr 10, 2011
8:40 pm
Polytopia Group Participants, FYI: The first of the promised "Postlude Letters" -- an excerpt from the new book on the F.E.D. "Dialectical Meta-Numbers" --...
1666 Miguel
detonacciones Send Email
May 11, 2011
1:33 am
Polytopia Group Participants, The Equitist Advocacy group has just published -- circa the May 5th, 2011 anniversary of the birth of Karl Marx [this timing is...
1667 Allenlubow
phi16 Send Email
May 11, 2011
10:45 pm
This should not be on this site. It is off topic. Please remove. Allen Lubow ... This should not be on this site. It is off topic. Please remove. Allen Lubow...
1668 Alan M
a.michelson Send Email
Sep 16, 2011
6:59 pm
... you mean ... (0,0,±1) ? ... …and you can notice that in http://cubicao.com/theory/tetrahedron.html <http://cubicao.com/theory/tetrahedron.html> ... ...
1669 Alan M
a.michelson Send Email
Oct 22, 2011
10:24 pm
Did you know that the umbrellas in The Amazing Race are all red-yellow-green-blue? * http://www.cbs.com/shows/amazing_race/video/2154922045/the-amazing-race-\ ...
1670 Polytopia@yahoogroups... Send Email Nov 1, 2011
11:07 pm
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Polytopia group. File : /TDF.zip ...
1671 Russ Kinter
pyth7 Send Email
Nov 6, 2011
8:58 pm
Hello All, For the last few months I have been making a web page that describes how the taijitu yin-yang symbol can be found in the icosahedron and...
Messages 1642 - 1671 of 1736   Oldest  |  < Older  |  Newer >  |  Newest
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