Hi - I've mentioned the Astro-logix construction toy here a couple of times, over the last couple of years. Some of you may remember, others may have even used...
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Jon Perry
jon_perryuk
Sep 2, 2003 8:55 pm
According to; http://www.users.globalnet.co.uk/~perry/maths/fourcolour/fourcolour.htm the 3-sphere can be constructed in plastic but not in wood. What other...
174
Paul Erlich
emotionaljou...
Sep 4, 2003 10:33 pm
... http://www.users.globalnet.co.uk/~perry/maths/fourcolour/fourcolour.ht m this webpage claims an "elementary" proof of the four-colour theorem, something...
175
Jon Perry
jon_perryuk
Sep 5, 2003 3:35 pm
' http://www.users.globalnet.co.uk/~perry/maths/fourcolour/fourcolour.htm this webpage claims an "elementary" proof of the four-colour theorem, something that...
176
John Berglund
anisohedral
Sep 6, 2003 11:49 am
I checked out the web page. It also has a short proof of Fermat's last theorem. Interesting - having more proofs on the page makes it less believable, not more...
177
Paul Erlich
emotionaljou...
Sep 8, 2003 4:18 am
... http://www.users.globalnet.co.uk/~perry/maths/fourcolour/fourcolour.ht m ... theorem, ... are you kidding me? if you had a one-line proof of the theorem,...
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Dan
polychoron
Sep 30, 2003 10:21 pm
Polytopians- Zome, my favorite geometric building system just got better. The ends of the struts now have "clicks" so they stay in the connector ball better. ...
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Paul Erlich
emotionaljou...
Oct 1, 2003 12:18 am
dan, you should post this to the zomeworld list too! http://groups.yahoo.com/group/ZomeWorld/...
180
dan duddy
polychoron
Oct 1, 2003 5:14 pm
--A bit about Polytopia-- I used to use some of my fluorescent polyhedron models as decoration for electronic dance music parties (psytrance) in NY. Also i...
181
Paul Erlich
emotionaljou...
Oct 1, 2003 9:02 pm
i wanted to see your attachments, but it says they're 'not stored'. can you upload them to the files (or photos) folder of this list instead?...
182
allenlubow@...
phi16
Oct 2, 2003 3:21 am
A NYC group gathering sounds great. Sign me up, Dan. Allen...
183
Dan
polychoron
Oct 2, 2003 5:43 pm
Hello Polytopians, I've created a new group called Math Art NYC. groups.yahoo.com/group/mathartnyc I decided this is the best way to gather people for the kind...
184
mail@...
astrologicon
Oct 2, 2003 6:05 pm
Dear Dan , thank you for the information about the news of zometool. Please visit my website. biagio di carlo via berlino 2, villa raspa, spoltore. 65010...
185
Malcolm Schosha
malcolmschosha
Oct 2, 2003 7:41 pm
Dan, One of the NYC public spaces might be good for meetings. The one I know is where the Whitney Museum Anex is located, on 42st, across from Grand Central....
186
Stuart Quimby
stuartquimby
Oct 3, 2003 1:50 pm
Hi Dan, Count me in! I'm about 100 mi. upstate from NYC Stuart Quimby Design Science Toys, Ltd. ... -- Stuart Quimby Pres. Design Science Toys, Ltd. 172...
187
allenlubow@...
phi16
Oct 3, 2003 4:02 pm
Depending upon how big the group is meeting at my office may be a possibility. We're at 46th St and Ave of the Americas. Allen Lubow...
188
Dan
polychoron
Oct 4, 2003 12:46 am
Now that Math Art NYC is running I will automaticaly add people I know from NYC and the tri-state area that would be able to come to a Polytopia meeting. You...
189
sikkagurgaon
Oct 4, 2003 6:47 am
Hello Group, I have inspired most from Vedic Mathematics and hopes that you will also take interest. Vedic Mathematics is becoming popular all over the world...
191
Dan
polychoron
Oct 4, 2003 5:24 pm
You'll be amazed at how much math content is in the simpsons (one of my favorite shows). www.simpsonsmath.com...
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gaurav sikka
sikkagurgaon
Oct 7, 2003 11:09 am
Hello Friends, Vedic Mathematics Becomeing popular because the uses of Vedic Mathematics are very broad. Sixteen Sutras and thirteen sub-Sutras can be applied...
193
gaurav sikka
sikkagurgaon
Oct 8, 2003 6:27 am
Hi Everbody, You can learn Vedic Mathematics (Learn to solve problems 10 times faster)free. Click Here to find this out . ... This group is developed...
194
Jon Perry
jon_perryuk
Oct 8, 2003 3:23 pm
I think I have proved this, and I am looking for a respectable journal to publish it. Does anyone on this list have any suggestions? I live in the UK and would...
195
Charlie
raveliberator
Oct 19, 2003 10:17 pm
Perplexing observations beamed back by a NASA spacecraft are fuelling debates about a mystery of biblical proportions - is our Universe infinite? Scientists...
196
Paul Hildebrandt
paul@...
Oct 20, 2003 9:15 pm
The 120-cell (hyperdodecahedron)seems to be the closest model of the hall of mirrors effect in the dodecahedral universe. I just got a message from artist (and...
197
Mike Dubbeld
miike@...
Oct 21, 2003 5:18 am
Re: [Polytopia] Is the universe a dodecahedron?dodecahedron You might want to check this guy out. From alt.sci.physics.new-theories NG Post John Sefton...
198
dan duddy
polychoron
Oct 22, 2003 2:55 am
Another possible expolanation for the hall of mirror effect besides the 4d hyperdodecahedron is if the universe was hyperbolic, then dodecahedrons could pack...
199
toadboyjoe
Oct 24, 2003 10:14 am
If you have a curve that is a portion of circle, is it possible to figure out the radius of the would be circle? Practical application for me. I make wrought...
200
Charlie
raveliberator
Oct 24, 2003 11:24 am
you can just lie two straight pieces at the two endpoints of the curve, each perpendicular the the tangent of the would-be-circle at the endpoints and where...
201
J Vincent Beall
vincebeall
Oct 24, 2003 5:24 pm
It is solvable with trigonometric functions. You must find the midpoint on the arc, and construct a perpendicular line that bisects the arc and the chord that...
202
mikebispham@...
mikebispham
Oct 24, 2003 5:47 pm
Hi Joe, Vincent A variation; I've had the same problem with bow windows: construct two perpendiculars to parts of the curve near either end. Its the same...
