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4D Analogue of Megaminx Puzzle

Posted by timothy on Tue May 13, 2008 11:23 AM
from the pretty-puzzling dept.
roice writes "The crazy hypercubists who created the 4D and 5D Rubik's cubes (here are previous Slashdot posts on the 4-D one and the 5-D one) have now developed a free working 4-dimensional software analogue of the Megaminx puzzle. Composed of 120 dodecahedral cells, the underlying structure is arguably the most beautiful of 4D geometrical shapes, with amazing symmetries and no analogue in dimensions higher than 4. Though some have already begun working on solutions for this 'Hyperminx,' it has yet to be solved by anyone. Also, when it comes to number of positions, it dwarfs the previous puzzles by many thousands of orders of magnitude!"
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[+] Four-Dimensional Rubik's Cube Craziness 296 comments
roice writes "Rubik's junkies and puzzlers will be interested in this software rendered four-dimensional analog of Rubik's Cube. With over 1.75E120 possible combinations, it's a mind bender. Free versions are available for both Windows and Linux, and they even publish their source code for download. Solving it will get your name listed in their Hall Of Fame, and there is also a running competition for the most efficient solution. To help get you started, you can check out a solution algorithm based on techniques used to solve the popular three-dimensional version."
[+] A Working 5D Rubik's Cube 171 comments
Melinda Green writes "Readers who enjoyed the previous Slashdot postings regarding the 4-dimensional Rubik's cube called MagicCube4D will be interested to know that a couple of brilliant developers have recently created a working 5-dimensional Rubik's cube. Operating a 5 dimensional puzzle projected all the way down to a 2D computer screen may seem a hopeless task but the full 5D puzzle has already been solved by 3 people. Also noteworthy is the fact that the 4D puzzle has now been ported to Java and is available as both a full-featured desktop application and as an Applet."
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  • by Anonymous Coward on Tuesday May 13 2008, @11:33AM (#23391572)
    In MY days, we were more than happy to have 2D and 3D!

    Damn kids these days!
    • 2D? 3D?

      In my day we had one dimension and did we complain?

      (well, yes actually, but no one cared)
      • by Thelasko (1196535) on Tuesday May 13 2008, @12:01PM (#23391820) Journal

        In my day we had one dimension and did we complain?
        I did, it went something like this
        Dah-dah-dah Dah-dit Dit, Dah-di-dit Di-dit Dah-dah Dit Dah-dit Di-di-dit Di-dit Dah-dah-dah Dah-dit, Di-di-dit Di-di-dah Dah-di-dah-dit Dah-di-dah Di-di-dit Dah-di-dah-di-dah-dah
        Note: I couldn't use -. because of the lameness filter.
    • by omeomi (675045) on Tuesday May 13 2008, @11:35AM (#23391596) Homepage
      I'm always happy when somebody comes out with a puzzle that nobody can solve (yet, I suppose). Makes me feel less stupid than not being able to solve the ones that tons of people can solve, like the Rubik's Cube.
      • Re:Get off my lawn! (Score:5, Informative)

        by Conspiracy_Of_Doves (236787) on Tuesday May 13 2008, @11:50AM (#23391728)
        Allow me to shove your head under the putrescent waters of depression.

        Three year old solves rubik's cube in less than 2 minutes. [youtube.com]
        6 year old solves rubik's cube in 40 seconds. [youtube.com]
        Guy solves rubik's cube in 20 seconds with one hand. [youtube.com]
        Guy solves rubik's cube in 50 seconds -- with his feet [youtube.com]

        \I can't solve it either
        • Re: (Score:3, Interesting)

          The rubiks cube is one of those puzzles that's easy to do once you figure out the process. In fact, figuring out the process is really the only interesting part of the puzzle, and once you know it there's not much point to doing it anymore.
      • by SwordsmanLuke (1083699) on Tuesday May 13 2008, @12:39PM (#23392270)
        So, a few years back, I noticed some of my (less than genius) co-workers were playing with - and solving - the Rubik's Cube! I'd had a cube since I was a kid, but had never learned to solve it, but I figured if these guys could do it, I could do it. Over the next month I spent literally every free moment messing with the cube until I finally taught myself how to solve the damn thing. I was so proud.

        As a reward, I went out and bought a new cube, like the ones my co-workers had. I got it home, opened my new cube... and discovered that they come with instructions now.
        • You know I was frustrated with the people who thought they knew how to solve Rubik's Cubes. So I went out and bought one, switched two of the corner tiles and gave it to people to solve. Nothing has ever satisfied the evil side of me more...other than putting tape on my cat's paw...
      • Re: (Score:3, Interesting)

        While I can understand how that might be appealing to you, don't forget that the real point of puzzles is to have fun while exercising your brain. I just wish I still had all my puzzles from the 80's craze. I had the cube,the snake,the barrel,the pyramid,etc. But somehow they got lost through the sands of time. The only one I have left is this one [geocities.com] which I currently need to fix AGAIN,as my youngest nephew seems to think it's really funny to mess it up while I'm not looking.

        But don't let the fact that some

  • Crazy bastards actually went and did it.
  • I'm holding out (Score:4, Interesting)

    by jayhawk88 (160512) <rockchalk88@yahoo.com> on Tuesday May 13 2008, @11:39AM (#23391636) Homepage
    For a true 4-dimensional Rubiks Cube, one that incorporates Time. Of course solving it will be incredibly disappointing, since after you do solve one, it turns out that it was solved all along.
  • since the sides of the normal Rubik's cube are colored, it was already 4D.
  • by Anonymous Coward on Tuesday May 13 2008, @11:55AM (#23391778)
    which this margin is too narrow to contain. Strangely the solution implies that if you have 4 integers x,y,z>0 and n>2 then x^n+y^n!=z^n, but I don't know why the heck that would be important.
  • Now where... (Score:5, Insightful)

    by jd (1658) <imipak@yahoDALIo.com minus painter> on Tuesday May 13 2008, @12:59PM (#23392500) Homepage Journal
    ...have I seen this Megaminx puzzle before.... Oh yes, that's right, the US tax system. Seriously, this is wonderful. Once a problem is solved, then further work is merely optimization and refactoring. There's nothing new. Puzzles that have an algorithmic solution, but where the solution is unknown at this time, are interesting because they require discovery that is potentially within reach of anyone. Puzzles for which only a herustic definitely exists are also interesting for much the same reason. Problems with no solution, or where it is not yet possible to prove it is possible to find any solution, are interesting more because the work required might well involve whole new branches of mathematics being developed, real frontier work rather than simply filling in the gaps. Puzzles of this kind also draw people who might otherwise consider maths or science "boring" into those fields. Science outside of "profitable" fields like computer programming tend to rely on sparking the imagination of the next generation. There's no other reason to go into such a subject than the pursuit of knowledge, once you eliminate all status and monetary value.
    • I'm not sure, but the 4D software cubes I've played with before seem to be actually 4D. In your sliding puzzle analog, sliding a square on one side would have an effect in the orientation of the squares on the other sides. So in the 4D Rubik's cube model, turning a side on one of the cubes would also rotate something else on one of the other cubes. I can solve the 3x3 Rubik's original, and almost solve the 4x4 variant, but the 4D cubes are next to impossible in my mind.
        • by Culture20 (968837) on Tuesday May 13 2008, @01:12PM (#23392670)
          Ever played the latest Prince of Persia (Sands of Time) series? They were 3D games where you had to use another dimension (time travel) to navigate puzzles because things were [un]available in different times. Heck, go back to Zelda series for a 2D game where travel to a dream-world allows more freedom of movement.