Search the web
Sign In
New User? Sign Up
Polytopia
? Already a member? Sign in to Yahoo!

Yahoo! Groups Tips

Did you know...
Show off your group to the world. Share a photo of your group with us.

Best of Y! Groups

   Check them out and nominate your group.
Having problems with message search? Fill out this form to ensure your group is one of the first to be migrated to the new message search system.

Messages

  Messages Help
Advanced
Messages 430 - 459 of 1613   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand   (Group by Topic) Author Sort by Date ^
430
Can somebody explain to me why a Saccheri quadrilateral is not a rectangle, it sure looks like one....
mcyberliver
Offline Send Email
Jul 3, 2004
7:12 pm
431
http://www.rinusroelofs.nl/concordia/concordia-00.html http://www.rinusroelofs.nl/palthehuis/palthehuis-00.html I just came across some incredible photos of...
allenlubow@...
phi16
Offline Send Email
Jul 4, 2004
1:11 am
432
... Hi Michael, Sorry so long in getting around to this message. For best viewing widen you window to get the sine-wave pattern accurately. Some of the number...
rybo6
os_jbug
Offline Send Email
Jul 4, 2004
4:16 pm
433
Rybo, First, now many are looking at Jim Lehman's work. One girl flipping out as she was having dreams of some of the stuff prior. I have trouble following...
Michael Donovan
jayennseth
Offline Send Email
Jul 4, 2004
5:50 pm
434
Rybo, We have another strong overlay where you say, "A Tetrahedron brought to zero volume creates a cube-octahedron. And that is an excellent illistration...
Michael Donovan
jayennseth
Offline Send Email
Jul 5, 2004
2:58 am
435
... Hi Mike, I tell stright out Mike I really dont understand most of what your trying to convey with your Pyramid anlge(s) nor some of the other stuff in you...
rybo6
os_jbug
Offline Send Email
Jul 5, 2004
3:59 pm
436
... Yes, it sure is a rectangle in Euclidean space. http://mathworld.wolfram.com/EuclideanGeometry.html http://mathworld.wolfram.com/EuclideanSpace.html But...
Alan Michelson
amichelson2002
Offline Send Email
Jul 5, 2004
6:56 pm
437
... The Least Common Multiple of (6,10) is 30. The Greatest Common Divisor of (6,10) is 2. ... ...
Alan Michelson
amichelson2002
Offline Send Email
Jul 5, 2004
8:47 pm
438
Rybo, I put a jpeg file up on the photos section of the Polytopia site. Just go to the site and click photos. I also put up another file, a drawing, this is...
Michael Donovan
jayennseth
Offline Send Email
Jul 5, 2004
10:19 pm
439
... Oh I was lookijg in files. That mey be the problem. However if you name is not with the file then again there will be a problem. ... Just out of...
rybo6
os_jbug
Offline Send Email
Jul 6, 2004
12:56 am
440
... Hi Alan, Agreed ... Agreed ... Agreed ... Agreed. ... Rybo...
rybo6
os_jbug
Offline Send Email
Jul 6, 2004
1:39 am
441
Rybo, Wonderful ! The pictures in the photo sections are easy to spot. One, you can see a pyramid shape, lines coming off the left side. Yahoo has done a...
Michael Donovan
jayennseth
Offline Send Email
Jul 6, 2004
1:45 am
442
... You can see another flattened cube-octohedron at http://mathworld.wolfram.com/Cuboctahedron.html Also, see http://mathworld.wolfram.com/Net.html...
Alan Michelson
amichelson2002
Offline Send Email
Jul 6, 2004
2:35 am
443
... http://www.rwgrayprojects.com/synergetics/plates/figs/plate31.html...
Alan Michelson
amichelson2002
Offline Send Email
Jul 6, 2004
2:44 am
444
... Heres i the rub Alan. Orginally I think think Mike is foused on the polarized version of the 12 around one spheres in regards to his 51.degree...
rybo6
os_jbug
Offline Send Email
Jul 6, 2004
3:32 am
445
... Yes I see it but not sure what to make of it. Its an equalateral triangle I presume with another line off to its left. Probably your 51 degerees angle. ...
rybo6
os_jbug
Offline Send Email
Jul 6, 2004
3:32 am
446
... Thanks Alan, Yes this way of arriving at the VE/cubo-ocathedron does seem to be a viable alternative to the 12 around one sphere pack ergo perhaps this a ...
rybo6
os_jbug
Offline Send Email
Jul 6, 2004
3:36 am
447
... Ah, "brought to zero volume" wouldn't have meant much to me without a picture :-) You can do this interactively in Stella by the way, even in the free demo...
Robert Webb
robertcharle...
Offline Send Email
Jul 6, 2004
4:12 am
448
In fact, if you scroll down in http://mathworld.wolfram.com/Cuboctahedron.html then you will notice the cubic close packing. There is a hyperlink that will...
Alan Michelson
amichelson2002
Offline Send Email
Jul 6, 2004
4:18 am
449
The 12 around one was focused on first. There are two 12 around one patterns. In this one connecting the centers of the outside 12 produce the...
Michael Donovan
jayennseth
Offline Send Email
Jul 6, 2004
5:32 am
450
Oh, wonderful, thank you, Click the B. Fuller drawings and look at the bottom right called E . With the two black lines you can see where you are looking up...
Michael Donovan
jayennseth
Offline Send Email
Jul 6, 2004
5:44 am
451
Hi Everyone Here is the schedule for the incoming Bridges Conference. Several presentations are literally synergetic. Peace Dick From: ...
Dick Fischbeck
dick_fischbeck
Offline Send Email
Jul 6, 2004
10:16 pm
452
... wrote: An isosceles trapezoid is a convex quadrilateral that has one pair of opposite sides that have equal lengths and a second pair of opposite sides...
mcyberliver
Offline Send Email
Jul 7, 2004
6:34 pm
453
You can find more penta- stuff at: http://mathworld.wolfram.com/PenroseTiles.html http://mathworld.wolfram.com/Pentaflake.html ...
Alan Michelson
amichelson2002
Offline Send Email
Jul 8, 2004
6:13 am
454
... By the way, I tried that in Stella. Yes, each side moves one-sixth of the way from the original positions, however they move one-third of the way WITH...
Alan Michelson
amichelson2002
Offline Send Email
Jul 8, 2004
5:48 pm
455
Alan, THANK YOU. God bless you. Wow. Now with this 'stella' you see below a rectangle moving into a square back to rectangle. Remember that the only other...
Michael Donovan
jayennseth
Offline Send Email
Jul 8, 2004
7:07 pm
456
Alan, Thank you again ever so much. Bit by bit some confirmations are coming in. Here is a quote from Rybo, from his paper Sine Wave Landscape (I am guessing...
Michael Donovan
jayennseth
Offline Send Email
Jul 8, 2004
7:15 pm
457
Alan Are the 3 triangles the same area? What are their perimeters? Thanks. http://mathworld.wolfram.com/GoldenGnomon.html Dick...
Dick Fischbeck
dick_fischbeck
Offline Send Email
Jul 8, 2004
9:57 pm
458
Music of the spheres? Interview with Gerald S. Hawkins by Monte Leach A radio astronomer reports on the mathematical relationships within the elements of crop...
Michael Donovan
jayennseth
Offline Send Email
Jul 8, 2004
11:17 pm
459
I am amazed at the Stella program. It is so hard to visualize these concepts in 3-D, and tools such as these can be so useful. Now I was talking about the...
Michael Donovan
jayennseth
Offline Send Email
Jul 9, 2004
2:01 am
Messages 430 - 459 of 1613   Oldest  |  < Older  |  Newer >  |  Newest
Advanced
Add to My Yahoo!      XML What's This?

Copyright © 2009 Yahoo! Inc. All rights reserved.
Privacy Policy - Terms of Service - Guidelines - Help