Rubik's Cube

Anyone still remember that famous cube which has different colors on each side. And the goal is to rearrange the cube once it’s scrambled.

http://www.funstuffnow.com/images/rubiks-cube.jpg

How many sides could you make?

I only once managed to make two sides of a different color simultaneously :o

apparently there is a world championship going on. http://news.yahoo.com/s/afp/20071002/od_afp/hungarygameleisureoffbeat Anyone wanna participate? :smiley:

Re: Rubik’s Cube

yep… I remember it being the hottest thing around in the early to mid eighties. I think my parents bought me three or four of them (different sizes). Little did I know at the time that I’d be teaching a decision sciences class where we’d use this as an optimization problem. There are several algorithms to solve the problem… here’s one possibility: http://peter.stillhq.com/jasmine/rubikscubesolution.html

Re: Rubik's Cube

i lovee rubik's cubes i sit there in the office playing with it whilst working , want a new one now ive worn my old one out

Re: Rubik’s Cube

i move that alot n in the end break them :dixsi:

Re: Rubik's Cube

I also managed to solve for 2 sides most of the time. I only was able to solve it completely once!! Excellent mental exercise.

Re: Rubik's Cube

interesting observation Umar. Actually, there are only a limited number of starting positions, so theoretically one could make a solution for each starting position separately. Of course quite a lot will have overlapping solutions. Hmmmmm

Re: Rubik's Cube

i remember i actually finished the whole thing when i was 10!!!!

anyway i think the current world record is bout about 12 secs by some korean kid i think!!!!

what?

Re: Rubik's Cube

you cannot solve it one side at a time. When solved correctly, the last move sets all sides same color at the same time.

Re: Rubik's Cube

I had one as recently as about 2 months ago and then my neices took it. I used to have a mini cube too with about 2" edges. I don't remember ever solving it completely but I do remember being very close and then getting tired and just switchign around the coloured stickies at the end :D

Re: Rubik's Cube

Any one up for 5×5×5 Quinn Hancock version ("Professor's Cube") ? and do ya think God's algorithm exists for Rubik's Cube?

Re: Rubik’s Cube

here play it (they also solve it for u :D)

Re: Rubik's Cube

Peace All

For what it is worth ... I can solve the puzzle every time Alhumdulillah within 150 or so moves. You just need to know 6 or 7 basic combinations and when to use them. I bought a new one recently.

This 5 x 5 x 5 version sounds good.

Re: Rubik’s Cube

i just read somewhere about 11 x 11 x 11 version :smiley:

mujha say to 3 x 3 x 3 bhi toot phoot jata hai :crying: