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Messages 1491 - 1520 of 1613   Oldest  |  < Older  |  Newer >  |  Newest
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1491
... File : Penrose Tilings and Wang Tilings Uploaded by : TONY 5M17H Description : Well, it actually is from his web site! ... ...
Alan Michelson
a.michelson
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Apr 2, 2007
5:47 pm
1492
... http://content.answers.com/main/content/wp/en/thumb/9/9b/180px-Tesseract.gif Alan- You got me thinking again about content. That search led me back to this...
Dick Fischbeck
dick_fischbeck
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Apr 9, 2007
9:12 pm
1493
Maybe you should look at the Koebe's Theorem. Here, try: http://research.microsoft.com/users/lovasz/koebe.pdf ...
Alan Michelson
a.michelson
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Apr 10, 2007
3:49 am
1494
Hello, my name rile, i'm in indonesia. This is still about sphere, can i get information how to make surface spherical harmonics in Matlab. I will use it for...
rile fj
rile.fitra
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Apr 10, 2007
3:59 am
1495
Hi Dick ... That appears to be a canonicalized cube which had a pair of opposite faces split into two triangles ...
Adrian Rossiter
adrianrossiter
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Apr 10, 2007
7:59 am
1496
... <http://www1.ics.uci.edu/~eppstein/junkyard/edgetan.png> ... <http://www.freewebtown.com/adrian/tmp/cube_diag.gif> ... of ... 2 pi steradians = solid angle...
Alan Michelson
a.michelson
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Apr 10, 2007
4:31 pm
1497
Any small circle or spherical polygon can be measured in steradians, right?...
Dick Fischbeck
dick_fischbeck
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Apr 10, 2007
8:51 pm
1498
http://mathworld.wolfram.com/SolidAngle.html http://mathworld.wolfram.com/Steradian.html http://mathworld.wolfram.com/SphericalTrigonometry.html...
Alan Michelson
a.michelson
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Apr 11, 2007
3:57 am
1499
Then there was the recent Amazing Race episode where the players had to catch a bus in Poland, and they had to go past the cuboctahedra. You can see that on...
Alan Michelson
a.michelson
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Apr 15, 2007
6:16 am
1500
I am looking forward to a contest where several teams each handle 4900 cannonballs instead of 55, some teams starting with a 70x70 square, the others starting...
Johan E. Mebius
jemebius
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Apr 15, 2007
8:07 am
1501
... Read about it at http://en.wikipedia.org/wiki/SO%284%29#Double_rotations...
Alan Michelson
a.michelson
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Apr 16, 2007
4:39 am
1502
Gregg Fleishman <http://greggfleishman.com/> was on Life & Times <http://www.kcet.org/lifeandtimes/archives/200704/20070417.php> yesterday. He's the guy with...
Alan Michelson
a.michelson
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Apr 19, 2007
2:55 am
1503
… no, but his tiling <http://www.cbs.com/primetime/survivor14/show/pgall.php?id=14&ep=10> surrounds Yao-Man <http://en.wikipedia.org/wiki/Yeoman> , who won...
Alan Michelson
a.michelson
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Apr 20, 2007
4:33 am
1504
Geometry and Art: From Escher to Animation Wednesday, May 2, 6:30 pm – Free Learn about mathematician Donald Coxeter and contemporary artwork that uses...
Dan
polychoron
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Apr 25, 2007
8:09 pm
1505
Looks as if you will have to put a tetrahedral vertex figure on each of 600 vertices of the hyperdodecahedron kit ...
Alan Michelson
a.michelson
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Apr 26, 2007
6:17 am
1506
... 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...
Dan
polychoron
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May 13, 2007
8:07 pm
1507
... No, it's 720 edges [Eager, Eager]...
Alan Michelson
a.michelson
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May 14, 2007
1:55 am
1508
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...
dar kone
zarkorgon
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May 15, 2007
9:54 pm
1509
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...
Bruce Rawles
bruce1618r
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May 15, 2007
10:15 pm
1510
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...
dar kone
zarkorgon
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May 16, 2007
9:16 am
1511
... help... ... <http://www.geometrycode.com/animations/index.shtml> If you are interested in Clockwise and Counter-clockwise rotations superimposed...
Alan Michelson
a.michelson
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May 16, 2007
5:40 pm
1512
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...
dar kone
zarkorgon
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May 17, 2007
4:59 am
1513
... deformations etc? Yes, try going to http://tech.groups.yahoo.com/group/Polytopia/files/Star-of-David.gif ...
Alan Michelson
a.michelson
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May 17, 2007
5:06 pm
1514
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...
John H. Chalmers
jhchalme
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May 19, 2007
5:19 pm
1515
... completely-- ... Not necessarily hyperbolic space — for example: * {3,3,3} — Three tetrahedrons around edge — Pentatope * {3,3,4} — Four...
Alan Michelson
a.michelson
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May 19, 2007
7:02 pm
1516
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...
John H. Chalmers
jhchalme
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May 19, 2007
7:33 pm
1517
... But see the: * http://en.wikipedia.org/wiki/List_of_regular_polytopes#Apeirotopes <http://en.wikipedia.org/wiki/List_of_regular_polytopes#Apeirotopes> * ...
Alan Michelson
a.michelson
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May 22, 2007
8:07 pm
1518
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:...
John H. Chalmers
jhchalme
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May 22, 2007
10:01 pm
1519
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...
Alan Michelson
a.michelson
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May 24, 2007
6:58 pm
1520
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...
Summer Twain
yonibluestar
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May 25, 2007
6:08 pm
Messages 1491 - 1520 of 1613   Oldest  |  < Older  |  Newer >  |  Newest
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