Search the web
Sign In
New User? Sign Up
Flexagon_Lovers · Flexagon Lovers
? Already a member? Sign in to Yahoo!

Yahoo! Groups Tips

Did you know...
Hear how Yahoo! Groups has changed the lives of others. Take me there.

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 520 - 549 of 653   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand   (Group by Topic) Author Sort by Date ^
520
Since New Years is a good time for idealism, I figured I would post some theoretical musings. Consider the series of hexaflexagons made from straight strips of...
Scott Sherman
loki3s
Offline Send Email
Jan 1, 2009
11:46 pm
521
Hi everybody, My name is Yaacov Belenky, I live in Israel, and I just found the Flexagon_Lovers group. More than 30 years ago, when I was about 16-18 years...
ybelenky
Offline Send Email
Jan 13, 2009
4:33 am
522
Welcome Yaacov, Interesting work. We've had a few conjectures on which flexes are sufficient for exploring a flexagon, but no proofs. I like how you use the...
Scott Sherman
loki3s
Offline Send Email
Jan 15, 2009
3:42 am
523
Ann, The subject of my original message should be of course, "Several hexaflexagon related theorems and conjectures", not flexaflexagon. If you as a moderator...
ybelenky
Offline Send Email
Jan 16, 2009
3:50 am
524
... Unfortunately, there is no way (that I know) to edit a message and/or subject line once it is posted. What I can do, is totally remove entire messagew. So...
Ann Schwartz
annschwartz101
Offline Send Email
Jan 16, 2009
4:03 am
525
Yaacov, In the video of the 5-sided hexaflexagon, I show a slot flex that takes you to a singular state, i.e. you can't do a pinch flex or v-flex from that...
Scott Sherman
loki3s
Offline Send Email
Jan 16, 2009
7:13 pm
526
I have followed recent postings on transformations between apparently distinct types of flexagons, that can be folded from the same net, with considerable...
Les Pook
toppingleslie
Offline Send Email
Jan 17, 2009
10:16 pm
527
A great new product with potential. This article may be of interest to some of you. http://snipr.com/a66i6 Kathy Knapp, Peoria, Illinois, USA Do well your...
Kathy Knapp
kathyknapp2003
Offline Send Email
Jan 17, 2009
10:20 pm
528
Les, I hope to upload an article with proofs on my theorems in a week or two. Regarding the article in Russian: First of all, it is a continuation of a series...
ybelenky
Offline Send Email
Jan 18, 2009
10:15 pm
529
Scott, See my remarks below (indented and marked "[YB]") Yaacov Belenky ... wrote: Yaacov, In the video of the 5-sided hexaflexagon, I show a slot flex that...
ybelenky
Offline Send Email
Jan 18, 2009
10:17 pm
530
... some of you. http://snipr.com/a66i6 And origami too... john...
John Andrisan
johnandrisan
Offline Send Email
Jan 18, 2009
10:17 pm
531
Apparently the tiny url didn't work, so here is the whole article. Bendy gadget future for graphene By Jason Palmer Science and Technology reporter, BBC News A...
Kathy Knapp
kathyknapp2003
Offline Send Email
Jan 18, 2009
10:17 pm
532
I was looking further into some of the flexes and found an interesting result. For each of the four flexes - pinch flex, v-flex, tuck flex and pyramid shuffle...
Scott Sherman
loki3s
Offline Send Email
Jan 20, 2009
2:37 am
533
So for the nets that produce multiple flexagons, do all such variants always have the same torsion, or can they be different? (Other than the obvious mirrored...
Scott Sherman
loki3s
Offline Send Email
Jan 20, 2009
2:39 am
534
Yes, flexagon variants folded from the same net can have different torsion. The flexagons shown in Figures 6.1 and 6.25 of 'Flexagons inside out' are an...
toppingleslie
Offline Send Email
Jan 20, 2009
7:01 pm
535
Ah yes, of course. We also found that many nets for point flexagons generated flexagons with different torsion. I guess I was specifically wondering about...
Scott Sherman
loki3s
Offline Send Email
Jan 22, 2009
3:20 am
536
Scott, I was interested in your statementthat "each of the four flexes - pinch flex, v-flex, tuck flex and pyramid shuffle - it's possible to create a flexagon...
ybelenky
Offline Send Email
Jan 22, 2009
3:20 am
537
Hmmm. I'm not sure what the shape of your strip is, but perhaps you could try pasting together leaves 8 and 7. Then fold it in half between pats (5 4 6) and...
Scott Sherman
loki3s
Offline Send Email
Jan 22, 2009
5:14 pm
538
HEXAFLEXAGONS, PROBABILITY PARADOXES, AND THE TOWER OF HANOI by Martin Gardner, revised edition, is now available on Amazon. The publisher is Cambridge...
Ann Schwartz
annschwartz101
Offline Send Email
Jan 22, 2009
5:35 pm
539
Ann Thanks for the information. I've ordered a copy of Martin Gardner's book, and will add it to the references in my new book. The manuscript is nearly ready...
toppingleslie
Offline Send Email
Jan 23, 2009
11:01 pm
540
The most basic flex on a triangle flexagon is the pocket flex. It's the only flex that can be done on all triangle flexagons, down to the simplest 6 leaf...
Scott Sherman
loki3s
Offline Send Email
Jan 24, 2009
8:50 pm
541
Howdy, I am rather a novice when it comes to flexagons. This weekend I printed out and constructed Robin Moseley's Pentahexaflexgaon variation 1/1 (I don't...
discombobyoulater
discombobyou...
Offline Send Email
Jan 25, 2009
8:32 pm
542
Hi Bob, The way you got into the state where you had two pyramids was by doing a series of "pocket flexes." You may have started doing a pinch flex (the...
Scott Sherman
loki3s
Offline Send Email
Jan 27, 2009
2:49 am
543
Who knew that there were so many people fascinated by these addictive objects! Our correspondents hail from all over world and include published (and...
Ann Schwartz
annschwartz101
Offline Send Email
Jan 27, 2009
2:49 am
544
Hi Les, The last time I spoke to someone at A K Peters, the contact told me that the book would be printing in late Janurary. So it's time for me to call them...
Ann Schwartz
annschwartz101
Offline Send Email
Jan 27, 2009
3:15 am
545
I love the video that Scott posted! I would not want to try to write out instructions and diagrams for all those flexes. I notice the the You Tube views of...
Robin C. Moseley
robin_moseley
Offline Send Email
Jan 27, 2009
4:31 am
546
Hi Les, I'm not sure if this is what you're discussing below, but there are many flexagons that can be made using the same strip (or template or freize) shown...
Ann Schwartz
annschwartz101
Offline Send Email
Jan 27, 2009
4:31 am
547
Thanks, Scott. The flexes to undo the contraption proved to be my undoing. I believe I made a mistake along the way and ended up in yet another strange state....
discombobyoulater
discombobyou...
Offline Send Email
Jan 27, 2009
10:19 pm
548
Ann Yes, this is the sort of thing I had in mind. My rather loose definition is: 'Some flexagons exist in different forms with different forms belonging to...
toppingleslie
Offline Send Email
Jan 27, 2009
10:20 pm
549
Scott wrote: I posted a video that shows these flexes on the pentahexaflexagon - http://www.youtube. com/watch? v=tGQ_I4_ N3sE.  ... Scott, That video is very...
Kathy Knapp
kathyknapp2003
Offline Send Email
Jan 27, 2009
10:23 pm
Messages 520 - 549 of 653   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