They never stop. Their hands are a constant, colorful flutter; a pointillist motion painting. Although the furious movement looks like utter turmoil, it’s actually a process of high order. The handy ...

Most of us have solved one, maybe two Rubik’s cubes in our lifetimes, if that. But there’s a subset of the population who have solved hundreds and hundreds of those brightly colored cube puzzles not ...

The world of speed cubing — where people solve Rubik’s Cubes really, really fast — was shaken up last year when Lucas Etter, a 15-year-old from Lexington, Kentucky, broke the world record. At a ...