So basically I have a rubik's cube at home and I do it every once in a while whenever I get bored or thinking about homework. When I was doing it I realized that physics was involved! Each of the side stuff rotates around the middle of the rubik's cube. That's why the very middle square on each side never changes, but each block around it can change. I was applying a torque in order to rotate the side I want to rotate. Torque is force multiplied with the lever arm. The first time I got the rubik's cube, I thought it was impossible and I'd never be able to finish it. But it turned out to be really simple when I thought about it. The real trick is knowing where each piece goes because each cube has a specific place to go and just because you complete one face doesn't mean that its the correct way. Now I can finish it really easy. My best time was like little over 2 minutes (:
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