Scott,  I just now found two emails from you that for some reason got to my spam folder. Now I will know to check the spam folder.  Yes, I know how many...
Scott, Â Yes, K is 1 2 (7 4 3 6 5) 8 (10 9) 11. Â Yes, you are right - the same changes by 2 and -2 are the reason why I considered these flexes (not...
Awhile back I had posted an 8-sided triangle pentaflexagon with the challenge of figuring out how to transform it from having sides 1 and 2 visible to having...
Nice result, Yaacov. It looks to me like this easily generalizes to other triangle flexagons beyond the hexaflexagon. The same logic applies whether you...
Scott, Â Other triangle flexagons are a fascinating new (for me) direction that I almost did not start to explore yet (but see below); I agree that it would...
After looking at various hexaflexagons, I would guess your conjecture in #3 is probably correct. The 11-leaf hexaflexagon I posted is the unique minimal...
Hmmm, I haven't seen anything where the goal was simply to decide if a flexagon can be folded from an arbitrary strip. The techniques I've tried have...
(This message replaces my previous message with the same subject that was not displayed properly. Also, I fixed several typos.) Â The algorithm described...
In continuation of the thread "Linear time algorithm that decides whether a strip can be folded to a flexagon", I folund a necessary and sufficient condition...
I've posted a new video showing some interesting flex sequences on the 10-sided isosceles triangle decaflexagon, including... * ..a flex I call the "flip flex"...
this group is definately not for beginners. it is for experienced. Pauline ... From: Scott Sherman loki3s@... Date: Sun, 22 Mar 2009 21:20:55 -0700 (PDT)...
Scott, Â A great video! That's the first time I folded a flexagon from non-equilateral triangles and did a 3-3-4 pinch flex. Looks like Tuckerman map still...
... Pauline I agree that some postings are for the experienced, but we do try to help newcomers. Have you any specific questions that you would like answered? ...
Certainly some of the posts can get pretty advanced, but there has actually been quite a mix. People are most likely to post new discoveries of course, which...
HOMAGE TO A PIED PUZZLER is now available through Amazon. Published by A K Peters, this book has a chapter by Jeff Rutzky and me on the hexa-dodeca-flexagon....
I've posted a new video showing some of the interesting flexes you can do on a silver octaflexagon, aka silverflexagon or 8-gon. It's folded from 45-45-90...
Interesting result, Yaacov. I assume your conclusion was based on examining the large number of strip formulas you generated? You asked about whether anyone...
My book 'Serious fun with flexagons. A companion and guide.' is due to be published by Springer in July 2009. The blurb reads: 'A flexagon is a motion...
Fantastic video, Scott. I especially want to study the flexes that produce mixed faces in a symmetrical fashion. Dave Mitchell, have you seen this video?...
Congratulations, Les. Please send the link to Amazon or the publisher as soon as there is one, so I can post it. I eagerly look forward to reading your new...
As Scott mentions about my website, www.flexagon.net, I have posted downloadable templates for several of the traditional flexagons that started this great...
Your videos are really great Scott! I really like this silver octaflexagon and hope to create a graphic pattern for it when I get some time. This new video is...
... Ah, yes! that mathematics ... Who was the ancient Greek philosopher who said that knowing is not enough; you have to know that you know? The history of...
... You could ask Google for it, but that seems to turn up only an HTML version. It is a little trickier to get the PDF version of about 37 pages, but I hope...
There is a Wikipedia entry for 'Flexagon', an archive of nearly 600 postings at the Flexagon Lovers Group, and Googling 'flexagon*' results in 13,700 hits....
Thanks. Yes, I think this one would be a good one for interesting patterns. Whenever I start thinking about decorating a flexagon, I look at it a bit...
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