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Messages 383 - 412 of 653   Oldest  |  < Older  |  Newer >  |  Newest
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383
Reading Douglas Engel's article 'Hexaflexagon + HFG = Slipagon!' prompted the thought that there must be point flexagon equivalents. There are, in abundance....
LES POOK
toppingleslie
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Jul 4, 2007
5:29 pm
384
Greetings to all members of the Flexagon Lovers group! I am Robert Dawson, a mathematician at Saint Mary's University in Halifax, Nova Scotia. Web page: ...
Robert J. MacG. Dawson
rdawsonsmu
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Jul 12, 2007
10:34 pm
385
Robert Dawson wrote:> ... Hi Robert Sorry to disappoint you but this is a very famous and well known form. As far as I know it was first discovered by the...
Dave Mitchell
daveorigami
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Jul 13, 2007
8:05 pm
386
... .... Well, it did seem too simple to be new. Thanks! ... I'm not sure I understand. Do you mean the tube form in the midpoint of the sequence? If so, that...
rdawsonsmu
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Jul 17, 2007
2:24 am
387
... I wasn't trying to imply this tube state is the same as the Flexitube. However ... it is a flexitube (there are many) and moreover a double walled one. You...
Dave Mitchell
daveorigami
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Jul 17, 2007
10:06 pm
388
This is something that I often demonstrate when I teach origami. It's not really origami or a flexagon, but an interesting thing to do with paper. ...
Kathy Knapp
kathyknapp2003
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Jul 23, 2007
4:07 am
389
... Didn't one of the ancient Greek Heroes lay claim to the eventual City of Carthage by a similar performance with a cowhide? - hvm ... www.correo.unam.mx ...
mcintosh@...
hxvxmcintosh
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Jul 24, 2007
4:16 am
390
... That would be Elissa, better known as Dido ("wanderer") - she was, according to tradition, a Phoenician, rather than Greek. -Robert Dawson...
rdawsonsmu
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Jul 26, 2007
3:11 am
391
My memory of the Aeneid is that the Carthaginian king told his daughter, Dido, that she could have all the land that she could cover with a cowhide. As to how...
andrisan@...
johnandrisan
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Jul 26, 2007
3:12 am
392
... daughter, ... The cowhide part is correct - well, canonical anyhow. But she was not Carthaginian by birth, as in the tale she founded the city on the land...
rdawsonsmu
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Jul 27, 2007
12:12 am
393
Using the same idea, modern cutting equipment should make it possible to pass through the eye of a needle. The steel would have to be softened so that it would...
toppingleslie
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Jul 27, 2007
12:15 am
394
The group has been quiet for awhile so I wanted to give everybody something new to play with. I¢ve posted an interesting flexagon maze at...
Scott Sherman
loki3s
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Oct 3, 2007
6:03 am
395
I managed to make this little flexagon maze. It works pretty well and is surprisingly interesting even with rather few faces. I think making these larger and...
Robin C. Moseley
robin_moseley
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Oct 6, 2007
3:37 am
396
The attached file is another thought provoking flexagon, to add to Scott Sherman's recent posting. Attachments are not stored, so the file has also been...
LES POOK
toppingleslie
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Oct 6, 2007
3:37 am
397
Very cool. When I was creating the various flexagons for my flexagon bestiary, the ones with an even number of triangles per face were pretty easy since...
Scott Sherman
loki3s
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Oct 7, 2007
5:34 pm
398
Hmmm. There are so many different ways to flex a dodecaflexagon that I¢d worry a maze would end up being too frustrating. So I took a different approach with...
Scott Sherman
loki3s
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Oct 17, 2007
3:02 pm
399
Flexagons are perfect for creating dynamic magic squares (magic stars etc.) There are a great number of design ideas that can be explored. Square flexagons...
Robin C. Moseley
robin_moseley
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Oct 17, 2007
9:30 pm
400
Scott's puzzle flexagon is a brilliant and exceptional model. I really like it, it is a great concept. Flexagons like this are wonderful for peaking the...
Robin C. Moseley
robin_moseley
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Oct 19, 2007
7:25 pm
401
Very clever. And gorgeous as always. I think Martin Gardner would approve :). I was looking to see what other flexagons might work. If the magic square had...
Scott Sherman
loki3s
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Oct 21, 2007
1:26 am
402
For many/most flexagons the polygon units on the faces change orientation during flexing. In order to make dynamic magic squares from these flexagons, we need...
Robin C. Moseley
robin_moseley
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Oct 22, 2007
2:48 pm
403
I¢ve posted a magic square on a 3-sided right triangle octaflexagon at http://loki3.com/flex/magic/tri-octa.html. This one is interesting because the pinch...
Scott Sherman
loki3s
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Oct 26, 2007
3:42 am
404
This magic flexagon does have some challenges. Scott worked this out by keeping the triplets of numbers adding up to 111 throughout the magic squares so that...
Robin C. Moseley
robin_moseley
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Oct 30, 2007
2:25 am
405
What about the following: 34 16 29 20 30 15 35 11 40 7 39 12 6 44 1 48 2 43 28 18 33 14 32 19 41 9 36 13 37 8 0 46 5 42 4 47 Christian -- ...
Christian Eggermont
chr1segg
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Oct 31, 2007
3:06 am
406
Almost, but what we need for this flexagon is a magic square with an extra property that works well with the way each sub-square is reflected when flexed. Say...
Scott Sherman
loki3s
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Nov 1, 2007
4:55 am
407
Yes, this square with the two triplet sums is what I was looking for, although I was trying to create this with only the numbers 1-36 and no duplicates. It...
Robin C. Moseley
robin_moseley
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Nov 1, 2007
2:18 pm
408
For those trying to design new triangle flexagons, one detail worth knowing is that there may be more variants of a particular flexagon than there are for the...
Scott Sherman
loki3s
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Nov 2, 2007
5:17 am
409
This is a significant discovery concerning greater numbers of variations for non equilateral triangle flexagons. I bet this has implications to other polygons...
Robin C. Moseley
robin_moseley
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Nov 3, 2007
1:36 am
410
Here’s a new path puzzle - http://loki3.com/flex/maze/deca-paths.html - this time on a right triangle decaflexagon. I find this one interesting because it...
Scott Sherman
loki3s
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Nov 9, 2007
10:13 pm
411
In haste, my first attempt at this decaflexagon puzzle resulted in an impossible puzzle to solve. Instead of reading the clear directions, I cut out the two...
Robin C. Moseley
robin_moseley
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Nov 11, 2007
9:50 pm
412
Earlier this year I had been exploring the dodecaflexagon frieze patterns, and have just recently had a chance to put together the maps for the 3, 4, and 5...
Robin C. Moseley
robin_moseley
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Nov 13, 2007
6:25 pm
Messages 383 - 412 of 653   Oldest  |  < Older  |  Newer >  |  Newest
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