The Rubik's Cube was created 50 years ago by Hungarian inventor Ernő Rubik. Over 500 million of them have been sold. Needless to say, the 3D puzzle has captured the imagination of countless students ...

A hexahedral three-dimensional puzzle Rubik cube consisting of nine panels of six colors can be solved with about 50 hands as it gets used, and it is possible to cut as many as 20 hands at the ...