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Messages 10822 - 10851 of 44208   Oldest  |  < Older  |  Newer >  |  Newest
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10822
RE: L1879v3.wrl Alan, Thanks for bringing the pesky penta back to view. The image in the post you refer to below (msg 1215) is possibly better viewed in the...
Jim Lehman
lehman98660
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Jul 1, 2003
5:48 pm
10823
RE: L2006v3.wrl The attached .wrl shows a stacking of cubes that are scaled to the cube core of the rhombic dodecahedron. The nuclear center of this cluster...
Jim Lehman
lehman98660
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Jul 1, 2003
6:02 pm
10824
... Yes, Frank, the colors did matched exactly! See for yourself at http://www.dstoys.com/Members/kirby/Works/documents/orgpoly.html (4-fold blue struts,...
Alan Michelson
amichelson2002
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Jul 2, 2003
3:48 am
10825
... http://www.dstoys.com/Members/kirby/Works/documents/orgpoly.html ... This is G. Hart's space filer, this is where I seen the coinsidental similarities....
frank zubek
fzubek
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Jul 2, 2003
3:18 pm
10826
It was my understanding that standing waves in strings behaved in a sinusiodal manner. Pen...
Boots
pendodecahedron
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Jul 2, 2003
4:49 pm
10827
You can see that photo at http://www.georgehart.com/sculpture/rhombic-enneacontahedron.html...
Alan Michelson
amichelson2002
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Jul 3, 2003
2:35 am
10828
Enter your vote today! A new poll has been created for the synergeo group: Which tetrahedron do you believe is the stronger? o Regular Tetrahedron o Octane of...
synergeo@yahoogroups....
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Jul 4, 2003
11:18 pm
10829
... http://groups.yahoo.com/group/synergeo/surveys?id=1114719 ... I'm afraid, that one needs to explain, that all of us understand that the reg, tet is...
frank zubek
fzubek
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Jul 5, 2003
4:10 pm
10830
Given any particular reg.tet., made of any specified substance, it is the strongest overall, that it can be: if any leg (edge) is changed in length, the...
John Brawley
voodoo1776
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Jul 5, 2003
5:28 pm
10831
What is sigma in Kniffen's calculation? I don't get it. See: http://mathworld.wolfram.com/GeodesicDome.html Is the paper available, anyone know? Thanks Dick ...
Dick Fischbeck
dick_fischbeck
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Jul 5, 2003
7:59 pm
10832
I'm not going to get into reductio ad absurda, as you know. There's no way to pin down either 'structure' or 'stability' in its "ultimate" nature as part of...
John Brawley
voodoo1776
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Jul 6, 2003
1:05 am
10833
... In this poll, the octane has its equilateral triangle base down, and is one-half the height of the regular tetrahedron if both have the same-sized...
Alan Michelson
amichelson2002
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Jul 6, 2003
4:18 am
10834
... http://groups.yahoo.com/group/synergeo/surveys?id=1114719 ... Yes that explains the .5 volume but we not taklking of volume relation, but of structural...
frank zubek
fzubek
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Jul 6, 2003
3:17 pm
10835
... You are wrong as have you bin many times before. Is the pipe stronger than a triangular tubing? Yes pipe is stronger all arround, but the tri.tubing is ...
frank zubek
fzubek
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Jul 6, 2003
3:44 pm
10836
re - "strength discussion" The VE, Iis composed of 8 regular tets and 6 regular 1/2 octahedrons, (which I call a square based pyramids) . Anyways, the suface...
Steve Waterman
stevew1172002
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Jul 6, 2003
7:15 pm
10837
... Finaly, just a common sense is enough to be clear. So, I would propose that the regular (edge 1) square ... Why don't you vote on the matter as others do. ...
frank zubek
fzubek
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Jul 6, 2003
9:58 pm
10838
I vote for the *regular tet being more stronger* but as someone stated there may specifics of both of these tets that makes one of them more them stronger or...
rybo6
os_jbug
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Jul 6, 2003
10:45 pm
10839
... In a case of a octane, we only considering it's strenght to be more at only one apex, where this does not applies to a reg,tet. Combined all eight of the ...
frank zubek
fzubek
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Jul 7, 2003
2:27 am
10840
Enter your vote today! A new poll has been created for the synergeo group: Which square-based pyramid is the strongest? Notice that the square base is on the...
synergeo@yahoogroups....
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Jul 7, 2003
4:48 am
10841
Hi Frank ... Does your test apply to what is being voted on? I thought from what has been said that it didn't. And, without bothering to try and guess exactly...
Adrian Rossiter
adrianrossiter
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Jul 7, 2003
7:12 am
10842
"Let me give you a more valid common sense. If the struts of the reg.tet. are same as the struts for the octane disregard the base size, than the down force is...
Boots
pendodecahedron
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Jul 7, 2003
2:08 pm
10843
Logically, the taller the pyramid, the stronger it is against downward force. This ought to be obvious to all. Peace JB jgbrawley@... ...
John Brawley
voodoo1776
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Jul 7, 2003
2:54 pm
10844
Diamond gets much of its strength from molecular/atomic binding forces. It is also tetrahedral. Speaking of diamond's strength purely from its geometry misses...
John Brawley
voodoo1776
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Jul 7, 2003
2:54 pm
10845
I agree, Adrian. The 'octane' has a lower apex than the reg.tet., thus the legs (edges) coming down from it to the base apices are at a shallower angle, hence ...
John Brawley
voodoo1776
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Jul 7, 2003
2:54 pm
10846
... Haw! I've been wrong before; so what? That I've been wrong on occasion in the past has nothing whatsoever to do with whether or not I'm wrong in this ...
John Brawley
voodoo1776
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Jul 7, 2003
2:54 pm
10847
Precisely. Well put. Peace JB jgbrawley@... http://tetrahedraverse.com ... From: "Boots" <boots@...> To:...
John Brawley
voodoo1776
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Jul 7, 2003
2:55 pm
10848
... However graphite which i think may be very soft is also made of carbon atoms but its geometrical arrangement is layers of hexagons or pentagones i forget...
rybo6
os_jbug
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Jul 7, 2003
4:21 pm
10849
... Excelent comment Rybo, I have made that comparasement some earlier, where the same pure carbon, by different rearangements produces complete oposset...
frank zubek
fzubek
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Jul 7, 2003
4:41 pm
10850
... Maybe not to YOU. ... And that sameness is then applied to both the reg.tet. and the octane. So the test result then must be valid. ... Octahedron is the...
frank zubek
fzubek
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Jul 7, 2003
5:05 pm
10851
Hi Frank ... What do you mean by "fractional"? Adrian. -- Adrian Rossiter Email: adrian_r@... Web Site: http://www.terra.es/personal/adrian_r...
Adrian Rossiter
adrianrossiter
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Jul 7, 2003
7:18 pm
Messages 10822 - 10851 of 44208   Oldest  |  < Older  |  Newer >  |  Newest
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