Even on my laptop’s tinny speakers, the sound is unmis­takable: the click-clacking, slip-sliding sound of a Rubik’s Cube whipping into shape. “It’s my first solve of the day,” says Australian ...

True devotees of The Cube have long abandoned the classic Rubik's brand puzzle for faster, sleeker (and more expensive) 'speed cubes' that can twist at the high rates that racers demand. Alternatively ...