The Rubik’s Cube has been reinvented with more games and many more screens for much more money. What has long been cherished as a simple toy yet complex puzzle requiring nothing but a healthy amount ...

For most people, there’s little appeal in mastering the Rubik’s Cube — especially two years into a pandemic, when crawling out of bed and going to work seems like enough of a challenge most days.

Mathematicians and hobbyists have had a half-century of fun exploring the 43 billion billion permutations of Erno Rubik’s creation. “My method was understanding,” Erno Rubik said of the iconic twisty ...