Nan just told me about this thread <http://twistypuzzles.com/forum/viewtopic.php?p=299528> on TwistyPuzzles.com in which Oskar announced a puzzle that will...
2714
Ray Zhao
deustfrr
Apr 6, 2013 9:09 pm
No wonder I thought I've seen something similar before (didn't think of the 2^4 when I first saw Oskar's puzzle)...There just needs to be some eighth cell and...
2715
Melinda Green
cutelyaware
Apr 7, 2013 2:40 am
I've always assumed that a true physical 4D puzzle would have to offer only a small subset of possible twists much like Don and my very first version of MC4D...
2716
Jay Berkenbilt
ejb_ql_org
Apr 8, 2013 1:56 pm
I wonder if it would be possible to build something that would exist superimposed upon some kind of frame. It might be a little unwieldy, but I'm trying to...
2717
Melinda Green
cutelyaware
Apr 8, 2013 8:49 pm
Hello Jay, Great to hear from you again! For everyone else, I need to point out that Jay has played a key role in producing MC4D. Don Hatch and I had produced...
2718
Eduard
eduard_baumann
Apr 13, 2013 10:07 pm
Solving of MT irp {4,6} c18 v020 ----- || 04/08/2013 || 1896 Remark : not easy Solving of MT irp {4,6} b12 v020 ----- || 04/09/2013 || 3152 Remark :...
2719
Eduard
eduard_baumann
Apr 17, 2013 9:57 pm
Solving of MT hyp KQ {7,3} 24 v200 ----- || 04/14/2013 || 1951 Remark : - Solving of MT irp {3,9} a36 v 0:0.5:1 ----- || 04/15/2013 || 1398 Remark : - ...
2720
Eduard
eduard_baumann
Apr 22, 2013 12:33 pm
Solving of MT eucl torus {6,5} 9 e010 ----- || 04/20/2013 || 1118 Remark : Not a big puzzle. I was left with two swaps for the cornerFaces in two different...
2722
Eduard
eduard_baumann
Apr 22, 2013 12:41 pm
Sorry typo MT eucl torus {6,5} 9 e010 must be MT eucl torus {6,3} 16 e010...
2723
Melinda Green
cutelyaware
Apr 23, 2013 4:49 am
Congratulations, Eduard! That's quite the quest you've been on. The bookkeeping alone was huge and some of the puzzles turned out to be bears! Thanks for...
2724
schuma
mananself
Apr 23, 2013 4:52 am
I also want to say Congratulatins To Eduard! Maybe someday I'll catch up... Nan...
2725
Roice Nelson
roice3
Apr 23, 2013 5:25 am
I'd like to add to the chorus. What an awesome milestone to have reached! In fact, as you got closer and closer, I decided that when you made the 300 mark, I...
2726
Melinda Green
cutelyaware
Apr 23, 2013 9:08 am
Wow, how generous of you, Roice! These things are like huge, perfect gems and weigh a ton. If anyone is considering to take up the challenge, I promise you...
2727
businessing
May 1, 2013 9:22 pm
Hi, Independently from you, I also created a 4D Rubik's cube between 1984 and 1987 (during highschool). I had a 3D model and all moves described in algorithms,...
2728
Melinda Green
cutelyaware
May 1, 2013 9:39 pm
Hello Patrick, That was ambitious project for a Commodore 64! There has been some discussion about the simultaneous display of the puzzles from multiple 4D...
2729
schuma
mananself
May 2, 2013 8:42 pm
When some people try to explain the fourth dimension, they talk about time. Personally I don't like it, because it causes a lot of confusion. And the...
2730
Roice Nelson
roice3
May 2, 2013 9:21 pm
This is a cool topic, and I plan to follow any developing insights. Here are a couple thoughts I've had on this: On Jeff Week's Hyperbolic Games ...
2731
schuma
mananself
May 2, 2013 10:45 pm
Thanks for the attention! OK, a 2D hyperbolic tiling lives on a 2D surface in a Minkowski 2+1 space. Here the Minkowski space is just a model that can be...
2732
Melinda Green
cutelyaware
May 2, 2013 11:17 pm
Certainly this is a question whose answer currently is "don't know", but the question itself is already a great contribution. Time is such a funny dimension...
2733
Roice Nelson
roice3
May 3, 2013 3:46 am
... Maybe a starting point to get to a "solid" object in the space would be to change the expression for the surface of a constant radius to an inequality,...
2734
schuma
mananself
May 4, 2013 5:37 am
Since I hope to construct some new things that don't correspond to Magic Tiles, I prefer considering the solid shapes that tile the M3 space. The "cells"...
2735
Roice Nelson
roice3
May 8, 2013 4:29 am
Hi All, When I ordered Ed's MC4D crystal cube, I also ordered another using a model I made of the {3,3,6} H3 honeycomb. This is the dual honeycomb to the one ...
2736
Melinda Green
cutelyaware
May 8, 2013 5:23 am
Gorgeous, Roice! Ooh, the reflections give me an idea. It should be possible to embed one snub cube from the {3,8}b IRP so that the square openings exactly...
2737
Melinda Green
cutelyaware
May 8, 2013 5:24 am
Here's the link: file:///C:/Users/Melinda/Documents/Superliminal/public_html/geometry/infinite/3_8b.htm...
2738
Melinda Green
cutelyaware
May 8, 2013 5:26 am
(Grrr), this time for sure: http://superliminal.com/geometry/infinite/3_8b.htm...
2739
Roice Nelson
roice3
May 8, 2013 3:32 pm
Yes, that will be very cool! I will make the STL model this evening, which will be quick since I already have code to load your VRML file. I don't know how...
2740
Melinda Green
cutelyaware
May 8, 2013 7:59 pm
Great! The effect only works if it can be taken all the way to the edges. I don't think I would want to do it if it had to end more than .5 millimeter from the...
2741
Roice Nelson
roice3
May 9, 2013 4:45 pm
Hi Melinda, Here is an stl file for a single unit of the {3,8}b. www.gravitation3d.com/lasercrystal/{3,8}b_one.stl However, I sent an email to them about how...
2742
Melinda Green
cutelyaware
May 10, 2013 9:00 pm
Hello Roice, That's too bad because the reflections were kind of the whole point, so I guess I'll drop the idea. It would be nice to see a good chunk of the ...
2743
Eduard
eduard_baumann
May 25, 2013 8:11 am
I have received the MC4D crystal cube today. It is very very pleasent. Thank so much. Kind regards Ed...
