A termite starts at the center of the face of any one of the edge cubes and bores a path that takes it through every cube ...

The Rubik's Cube dates to my childhood, when it was for leaving on a desk to be fiddled with — or, for a select few strange birds, for actually solving, sometimes very quickly. At that time, knowing ...

Sifteo cubes stand out among gaming offerings, mainly because they don’t involve a touch screen. Rather, they are blocks that players can move around and touch to one another to solve puzzles or ...

An engineer noted for his ability to visualize three-dimensional structure was having coffee and doughnuts. Before he dropped a sugar cube into his cup, he placed the cube on the table and thought, ...