Quantum rules in Rubik’s Cube

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Rubik’s Cube was first sold in 1980. I was in college (University of Amsterdam, Astronomical Institute) about to graduate, when someone pointed all of us to a Martin Gardner article in Scientific American about the Rubik Cube. I bought the cube the next day and spent a weekend figuring it out. I never read the Gardner article beyond the introduction and the description of the cube, I wanted to figure this thing out myself. I found a number of algorithms that allowed me to change a minimum number of cubicles (the parts of the cube) at a time. This way, I thought I could solve the cube by adjusting the cubicles one by one. I found I couldn’t.

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