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...
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...
... http://www.users.globalnet.co.uk/~perry/maths/fourcolour/fourcolour.ht m this webpage claims an "elementary" proof of the four-colour theorem, something...
' http://www.users.globalnet.co.uk/~perry/maths/fourcolour/fourcolour.htm this webpage claims an "elementary" proof of the four-colour theorem, something that...
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...
... 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,...
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. ...
--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...
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...
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...
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....
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...
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...
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...
Hello Friends, Vedic Mathematics Becomeing popular because the uses of Vedic Mathematics are very broad. Sixteen Sutras and thirteen sub-Sutras can be applied...
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...
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...
Perplexing observations beamed back by a NASA spacecraft are fuelling debates about a mystery of biblical proportions - is our Universe infinite? Scientists...
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...
Paul Hildebrandt
paul@...
Oct 20, 2003 9:15 pm
197
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...
Mike Dubbeld
miike@...
Oct 21, 2003 5:18 am
198
Another possible expolanation for the hall of mirror effect besides the 4d hyperdodecahedron is if the universe was hyperbolic, then dodecahedrons could pack...
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...
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...
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...
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...