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# Man builds Rubik's Cube that can solve itself

By T.K. Randall
October 4, 2018 ·  8 comments

The robotic cube is so easy to solve that you don't even have to do anything. Image Credit: CC BY-SA 2.0 theilr
A recently uploaded viral video showcases a robotic Rubik's Cube that can operate entirely autonomously.
The quintessentially 80s brain-teaser, which was invented by Hungarian Erno Rubik, has enjoyed something of a resurgence in recent years with fans of the multi-colored cube competing to achieve the fastest completion time. Some have even figured out how to solve it while blindfolded.

Now YouTube channel Human Controller has uploaded a video showcasing what some might consider to be the ultimate iteration of the iconic puzzle - one that can literally solve itself.

In the footage, a man can be seen scrambling up the sides before setting the cube down on a table where, after a few seconds, it starts to slowly match up the panels all on its own.
While the robotic cube doesn't appear to possess the ability to avoid falling off the edge of the table, it is still seemingly capable of solving itself within the space of only a minute or so.

Not much is known about the video or the device itself, however it is nothing if not impressive.

The footage, which can be viewed below, has already managed to rack up over 450,000 views.

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#1 Posted by Stiff 6 years ago
Now that is impressive!  It took me forever to work out how to solve these and got it down to 5 mins back in the 80's. I'd struggle to do them again now though as I always get stuck on the bottom tier
#2 Posted by Seti42 6 years ago
That looks cool, but it's obviously just recording the scramble moves, and repeating them backwards. It's not solving anything.
#3 Posted by Timothy 6 years ago
I was disappointed that it isn’t using a more efficient algorithm, was hoping for it to solve in the minimum number of moves. It took 64 quarter moves (I think).  Lol, bit much, I know.
#4 Posted by Timothy 6 years ago
Nope. He turns it far less. Edit: He only turned it ~15 quarter turns.
#5 Posted by Stiff 6 years ago
That's exactly what I thought at first too.   Yes. So I guess it really does 'problem solve'. I can't help but think it would be quicker to just reverse the input moves but thinking again... there's no point. It wouldn't be 'solving' anything at all.
#6 Posted by Timothy 6 years ago
Yeah exactly, it would just be a bit of a gimmick then. Still cool. I’m guessing they haven’t released the 3D printer schematics or the code they used? But don’t have time to look.
#7 Posted by Jon the frog 6 years ago
Bloody goat ! I It's practically scary !
#8 Posted by Gecks 6 years ago
I used to have a Rubiks cube for dummies. All yellow squares. Now that was my kind of Rubiks cube

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